John Betts - Fine Minerals, New York, NY
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John Betts - Fine Minerals, New York, NY
Dealers of Fine Minerals and Natural Crystal Clusters since
1989.
Each entry is formatted as:
Mineral Species: Formula (Mineral group or series,
if any) Class: major chemical category based on anion, Subclass: subsection
of class based on chemistry. Type Locality (=the original locality where
first described.)
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Also stee: List of Water Soluble Mineral Species
Abukumalite: Britholite-(Y) (Varietal name).
Acanthite: Ag2S Class: Sulfide.
Achroite: Colorless elbaite (Varietal name).
Actinolite: Ca2(Mg,Fe)5Si8O22(OH)2 (Amphibole) Class:
Silicate, Subclass: Inosilicate.
Adamite: Zn2(AsO4)(OH) (Adamite) Class: Arsenate, Subclass: Hydroxyl
Arsenate. Type Locality: Chañarcillo, Chile.
Adularia: Colorless variety of orthoclase (Varietal name).
Aegirine: NaFeSi2O6 (Pyroxene) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Skaadoe, Brevig, Norway.
Ainalite: Cassiterite with up to 9% Ta2O5 (Varietal name).
Ajoite: (K,Na)Cu7AlSi9O24(OH)6+3H2O Class:
Silicate. Type Locality: New Cornelia mine, Ajo,
Pima Co., Arizona, USA.
Albite: NaAlSi3O8 (Feldspar) Class:
Silicate, Subclass: Tektosilicate.
Aldanite: Thorianite with U and Pb (Varietal name).
Alexandrite: Gem variety of chrysoberyl (Varietal name).
Allanite-(Ce): (Ce,Ca,Y)2(Al,Fe)3(SiO4)3(OH) (Epidote) Class:
Silicate, Subclass: Sorosilicate. Type Locality:
Iglorsoit, Greenland.
Allanite-(La): (La,Ca,)2(Al,Fe)3(SiO4)3(OH) (Epidote) Class:
Silicate, Subclass: Sorosilicate. Type Locality:
Karelia (N), Russia, USSR.
Allanite-(Y): (Y,Ce,Ca)2(Al,Fe)3(SiO4)3(OH) (Epidote) Class:
Silicate, Subclass: Sorosilicate.
Alleghanyite: Mn5(SiO4)2(OH)2 (Humite) Class:
Silicate, Subclass: Nesosilicate. Type Locality:
Bold Hill, Alleghany Co., North Carolina, USA.
Allemontite: Mixture of stibarsen with As or Sb (Varietal name).
Allenite: Pentahydrite (Varietal name).
Allevardite: Rectorite (Varietal name).
Allophane: Al2SiO5+nH2O Class: Silicate.
Type Locality: Gräfenthal, Saalfeld (near), Thüringen, Germany.
Almandine: Fe3Al2(SiO4)3 (Garnet) Class:
Silicate, Subclass: Nesosilicate. Type Locality:
Alabanda, Caria, Aydin, Turkey.
Alstonite: BaCa(CO3)2 Class: Carbonate.
Type Locality: Brownley Hill mine, Alston (near), Cumberland, England.
Aluminium: Al Class: Native Element, Subclass:
Metals. Type Locality: Tsepochechnyi intrusive, Siberia, Russia, USSR.
Alunite: KAl3(SO4)2(OH)6 (Alunite) Class:
Sulfate. Type Locality: Tolfa, Roma (near), Italy.
Alvarolite: Mangantantalite (Varietal name).
Amazonite: Green to blue green microcline (Varietal name).
Amblygonite: (Li,Na)Al(PO4)(F,OH) (Amblygonite) Class:
Phosphate, Subclass: Fluorine-Hydroxyl Phosphate.
Type Locality: Chur4sdorf and Arnsdorf, Penig, Sachsen, Germany.
Amethyst: Purple or violet quartz (Varietal name).
Amosite: Asbestiform ferro-gedrite (Varietal name).
Amphibole: Group name.
Analcime (cubic): NaAlSi2O6+H2O (Zeolite)
Class: Silicate, Subclass: Tektosilicate. Type
Locality: Cyclopean Islands, Catania (near), Sicily, Italy.
Analcime (monoclinic): NaAlSi2O6+H2O
(Zeolite) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Husa u Marcinová, Cechy (Bohemia), Czech Republic (Czechoslovakia).
Anapaite: Ca2Fe(PO4)2+4H2O Class: Phosphate.
Type Locality: Anapa, Taman Peninsula, Russia, USSR.
Anatase: TiO2 Class: Oxide. Type Locality:
St. Christope, Bourg d'Oisans, Isere, France.
Ancylite-(Ce): SrCe(CO3)2(OH)+H2O Class:
Carbonate. Type Locality: Narsarsuk, Greenland
(S).
Ancylite-(La): SrLa(CO3)2(OH)+H2O Class:
Carbonate.
Andalusite: Al2SiO5 Class: Silicate, Subclass:
Nesosilicate. Type Locality: Andalusia, Spain.
Andesine: (Na,Ca)Al(Al,Si)Si2O8 (Intermediate in plagioclase series)
(Feldspar) Class: Silicate, Subclass: Tektosilicate.
Type Locality: Marmato, Cauca, Colombia (Andes Mts.).
Andradite: Ca3Fe2(SiO4)3 (Garnet) Class:
Silicate, Subclass: Nesosilicate.
Andrewsite: Discredited (Varietal name).
Anglesite: PbSO4 (Barite) Class:
Sulfate, Subclass: Anhydrous Sulfate. Type Locality:
Parys mine, Anglesey, Wales.
Anhydrite: CaSO4 Class: Sulfate, Subclass:
Anhydrous Sulfate. Type Locality: Hall, Innsbruck (near), Tyrol, Austria.
Ankerite: Ca(Fe,Mg,Mn)(CO3)2 (Dolomite) Class:
Carbonate. Type Locality: Styria, Austria.
Annabergite: Ni3(AsO4)2+8H2O (Vivianite) Class: Arsenate, Subclass:
Hydrated Arsenate. Type Locality: Annaberg, Sachsen (Saxony), Germany.
Annite: KFe3(Si3Al)O10(OH,F)2 (Mica) Class:
Silicate, Subclass: Phyllosilicate. Type Locality:
Cape Anne, Essex Co., Massachusetts, USA.
Anorthite: CaAl2Si2O8 (Feldspar) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Monte Somma, Mt. Vesuvius, Napoli, Campania, Italy.
Anorthoclase: (Na,K)AlSi3O8 (Feldspar) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Pantelleria Island, Italy.
Anthophyllite: (Mg,Fe)7Si8O22(OH)2 (Amphibole) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Kongsberg, Norway.
Antigorite: (Mg,Fe)3Si2O5(OH)4 (Kaolinite-Serpentine) Class:
Silicate. Type Locality: Valle di Antigorio,
Domodossola, Piemonte, Italy.
Antimonite: Stibnite (Varietal name).
Antimony: Sb (Arsenic) Class: Native Element,
Subclass: Semi-Metals.
Antlerite: Cu3(SO4)(OH)4 Class: Sulfate,
Subclass: Hydrated Sulfate. Type Locality: Antler Mine, Mohave Co., Arizona,
USA.
Apatite: Group name.
Apophyllite: Group name, see fluorapophyllite and
hydroxylapophyllite.
Aquamarine: Blue to greenish blue beryl (Varietal name).
Aragonite: CaCO3 (Aragonite) Class:
Carbonate. Type Locality: Molina and Valencia,
Migranilla (near), Aragon, Spain.
Aravaipaite: Pb3AlF9+H2O. Type Locality: Grand Reef Mine, Laurel Canyon,
Aravaipa mining dist., Graham Co., Arizona, USA.
Arfvedsonite: Na3(Fe,Mg)4FeSi8O22(OH)2 (Amphibole) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Kangerdluarsuk, Ilímaussaq intrusive, Greenland (S).
Argentite: Ag2S Class: Sulfide. Type Locality:
Dimorphous with acanthite, stable only above 177°C.
Arizonite: Pseudorutile (Varietal name).
Arnimite: Antlerite (Varietal name).
Arrojadite: KNa4CaMn4Fe10Al(PO4)12(OH,F)2. Type Locality: Serra Branca
pegmatite, Picuhy, Paraiba, Brazil.
Arsenic: As (Arsenic) Class: Native Element,
Subclass: Semi-Metals.
Arsenolite: As2O3 Class: Oxide.
Arsenopyrite: FeAsS (Arsenopyrite) Class:
Sulfide.
Artinite: Mg2(CO3)(OH2)+3H2O Class:
Carbonate. Type Locality: Campo Franscia, Val
Lanterna, Val Malenco, Val Tellina, Sondrio, Lombardia, Italy.
Ascharite: Szaibelyite (Varietal name).
Ashanite: Ixiolite (Varietal name).
Ashtonite: Mordenite (Varietal name).
Astrakhanite: Bloedite (Varietal name).
Astrolite: Muscovite (Varietal name).
Astrophyllite: (K,Na)3(Fe,Mn)7Ti2Si8O24(O,OH)7 (Astrophyllite) Class:
Silicate. Type Locality: Loven Island, Brevik
(near), Langesundfjord, Norway.
Atacamite: Cu2Cl(OH)3 (Atacamite) Class: Halide. Type Locality: Atacama,
Chile.
Attacolite: Attakolite (Varietal name).
Attapulgite: Palygorskite (Varietal name).
Augelite: Al2(PO4)(OH)3 Class: Phosphate,
Subclass: Hydroxyl Phosphate. Type Locality: Vestanå mine, Nästum,
Kristianstad, Sweden.
Augite: (Ca,Mg,Fe)2Si2O6 (Pyroxene) Class:
Silicate, Subclass: Inosilicate.
Aurichalcite: (Zn,Cu)5(CO3)2(OH)6 Class:
Carbonate. Type Locality: Loktevsk, Altai, Siberia,
Russia, USSR.
Austinite: CaZnAsO4(OH) (Adelite) Class: Arsenate, Subclass: Hydroxyl
Arsenate. Type Locality: Gold Hill, Tooele Co., Utah, USA.
Autunite: Ca(UO2)2(PO4)2+10-12H2O (Autunite) Class:
Phosphate, Subclass: Hydrous Phosphate. Type Locality:
L'Ouche d'Jau, Saint-Symphorien-de-Marmagne, Autun, Saône-et-Loire,
France.
Axinite: Group name.
Azurite: Cu3(CO3)2(OH)2 Class: Carbonate.
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Babingtonite: Ca2(Fe,Mn)FeSi5O14(OH) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Arendal, Norway.
Baddeleyite: ZrO2 Class: Oxide. Type Locality:
Kollonnagam, Rakwana, Sri Lanka.
Barbierite: Microcline (Varietal name).
Barite: BaSO4 (Barite) Class:
Sulfate, Subclass: Anhydrous Sulfate.
Barkevikite: Ferrohornblende (Varietal name).
Barrerite: (Na,K,Ca)2Al2Si7O18+7H2O
(Zeolite) Class:
Silicate. Type Locality: Cagliari, Capo Pula,
Efisia Tower (S), Sardegna (Sardinia), Italy.
Barytoanglesite: Anglesite (Varietal name).
Barytocelestine: Celestite (Varietal name).
Bassanite: 2CaSO4+H2O Class: Sulfate. Type
Locality: Mt. Vesuvius, Napoli, Campania, Italy.
Baumite: Mixture of serpentines and chlorites (Varietal name).
Bavenite: Ca4Be2Al2Si9O26(OH)2 Class:
Silicate.
Bayldonite: PbCu3(AsO4)2(OH)2+H2O Class: Arsenate. Type Locality:
Penberthy Creft mine, St. Hilary, Cornwall, England.
Bazzite: Be3(Sc,Al)2Si6O18 Class: Silicate.
Type Locality: Baveno, Lago Maggiore, Piemonte, Italy.
Beckelite: Britholite (Varietal name).
Beidellite: (Na,Ca0.5)0.3Al2(Si,Al)4O10(OH)2+nH2O (Smectite) Class:
Silicate. Type Locality: Beidell, Saguache Co.,
Colorado, USA.
Bementite: Mn8Si6O15(OH)10 Class: Silicate.
Type Locality: Franklin Furnace, Sussex Co., New Jersey, USA.
Benitoite: BaTiSi3O9 Class: Silicate, Subclass:
Cyclosilicate. Type Locality: Benito Gem mine, Diablo Range, San Benito Co.,
California, USA.
Benstonite: (Ba,Sr)6(Ca,Mn)6Mg(CO3)13 Class:
Carbonate.
Bertrandite: Be4Si2O7(OH)2 Class: Silicate.
Type Locality: Petit-Port and Barbin, Nantes, Loire-Atlantique, France.
Beryl: Be3Al2Si6O18 Class: Silicate, Subclass:
Cyclosilicate.
Beryllonite: NaBePO4 Class: Phosphate, Subclass:
Anhydrous Phosphate. Type Locality: McKean Mt., Stoneham (near), Oxford Co.,
Maine, USA.
Beta-Quartz: SiO2 Class: Silicate. Type
Locality: Stable between 573° and 870°C; polymorphous with coesite,
cristobalite, stishovite and tridymite, D=approximate.
Betafite: (Ca,Na,U)2(Ti,Nb,Ta)2O6(OH) (Pyrochlore) Class:
Oxide. Type Locality: Betafo, Madagascar.
Bideauxite: Pb2AgCl3(F,OH)2. Type Locality: Mammoth-St. Anthony Mine,
Tiger, Pinal Co., Arizona, USA.
Biotite: K(Mg,Fe)3(Al,Fe)Si3O10(OH,F)2 (Mica) Class:
Silicate, Subclass: Phyllosilicate.
Bisbeeite: Mixture of chrysocolla and plancheite (Varietal name).
Bismuth: Bi (Arsenic) Class: Native Element,
Subclass: Semi-Metals.
Bismuthinite: Bi2S3 Class: Sulfide.
Bismutite: Bi2(CO3)O2 Class: Carbonate.
Type Locality: Arme Hulfe mine, Ullersreuth, Vogtland, Sachsen (Saxony),
Germany.
Bixbyite: (Mn,Fe)2O3 Class: Oxide. Type Locality:
Maynard's claim, Thomas Range, Delta (near), Juab Co., Utah, USA.
Bjarebyite: (Ba,Sr)(Mn,Fe,Mg)2Al2(PO4)3(OH)3 (Bjarebyite) Class:
Phosphate. Type Locality: Palermo pegmatite, North Groton, New Hampshire,
USA.
Blanchardite: Brochantite (Varietal name).
Blödite: Na2Mg(SO4)2+4H2O Class:
Sulfate. Type Locality: Ischl, Austria.
Boléite: Pb26Ag10Cu24Cl62(OH)48+3H2O Class: Halide. Type Locality:
Boléo, Santa Rosalia (near), Baja California, Mexico.
Boltwoodite: (H3O)K(UO2)SiO4 Class:
Silicate. Type Locality: Pick's Delta mine, San
Rafael Swell, Emery Co., Utah, USA.
Boracite: Mg3B7O13Cl Class: Borate. Type Locality: Lüneberg,
Hannover, Germany.
Borax: Na2B4O5(OH)4+8H2O Class: Borate, Subclass: Hydrated Borate.
Type Locality: Ladakh, Kashmir and Rudok, Tibet.
Bornite: Cu5FeS4 Class: Sulfide.
Bostwickite: CaMn6Si3O16+7H2O Class:
Silicate. Type Locality: Franklin, Sussex Co.,
New Jersey, USA.
Botryogen: MgFe(SO4)2(OH)+7H2O Class:
Sulfate. Type Locality: Falun, Kopparberg, Sweden.
Boulangerite: Pb5Sb4S11 Class: Sulfosalt.
Type Locality: Molières, Gard, France*.
Bournonite: PbCuSbS3 Class: Sulfosalt. Type
Locality: Wheal Boys, St. Endellion, Cornwall, England.
Bravoite (Discredited Species): (Ni,Fe)S2 (Pyrite) Class:
Sulfide. Type Locality: Mina Ragra (Minasragra),
Cerro de Pasco (near), Pasco dept., Peru.
Brazilianite: NaAl3(PO4)2(OH)4 Class:
Phosphate, Subclass: Hydroxyl Phosphate. Type Locality:
Divino River, Rio Doce and Rio Sao Matheus, Minas Gerais, Brazil.
Breithauptite: NiSb (Nickeline) Class: Antimonide. Type Locality:
St. Andreasberg, Harz, Germany.
Brewsterite: (Sr,Ba,Ca)Al2Si6O16+5H2O
(Zeolite) Class:
Silicate. Type Locality: Strontian, Argyllshire,
Scotland.
Brochantite: Cu4(SO4)(OH)6 Class: Sulfate,
Subclass: Hydrated Sulfate.
Bromargyrite: AgBr Class: Halide.
Bromite: Alstonite (Varietal name).
Bromyrite: Bromargyrite (Varietal name) Class: Halide.
Bronzite: Ferroan variety of enstatite (Varietal name).
Brookite: TiO2 Class: Oxide. Type Locality:
Prenteg, Tremadog, Caernarvonshire (Gwynedd), Wales.
Brucite: Mg(OH)2 (Brucite) Class: Oxide,
Subclass: Hydroxide. Type Locality: Hoboken, Hudson Co., New Jersey, USA.
Buddingtonite: (NH4)AlSi3O8+0.5H2O (Feldspar) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Sulphur Bank quicksilver mine, Lake Co., California, USA.
Buergerite: NaFe3Al6(BO3)3Si6O21F (Tourmaline) Class:
Silicate, Subclass: Cyclosilicate. Type Locality:
Mexquitic, San Luis Potosí, Mexico.
Bustamite: (Mn,Ca)2Si2O6 Class: Silicate.
Type Locality: Franklin Furnace, Sussex Co., New Jersey, USA.
Byssolite: Fibrous (asbestiform) actinolite-tremolite, or other amphibole
(Varietal name).
Bytownite: (Ca,Na)(Si,Al)4O8 (Feldspar) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Ottawa (Bytown), Ontario, Canada.
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Cacoxenite: (Fe,Al)25(PO4)17O6(OH)12+75H2O Class:
Phosphate. Type Locality: Hrbek mine, Sv.
Dobrotivá, Cechy (Bohemia), Czech Republic (Czechoslovakia).
Cahnite: Ca2B(AsO4)(OH)4 Class: Arsenate. Type Locality: Franklin
Furnace, Sussex Co., New Jersey, USA.
Cairngorm: Smoky quartz (Varietal name).
Calamine: Hemimorphite (Varietal name).
Calaverite: AuTe2 Class: Telluride. Type Locality: Stanislaus Mine,
Calaveras Co., California, USA.
Calcite: CaCO3 (Calcite) Class:
Carbonate.
Caledonite: Pb5Cu2(CO3)(SO4)3(OH)6 Class:
Sulfate, Subclass: Compound Sulfate. Type Locality:
Wanlockhead, Leadhills, Lanarkshire, Scotland.
Calomel: HgCl Class: Halide. Type Locality: Landsberg (Moschellandsberg),
Obermoschel (near), Rheinland-Pfalz, Germany.
Calumetite: Cu(OH,Cl)2+2H2O. Type Locality: Centennial Mine, Calumet,
Houghton Co., Michigan, USA.
Canavesite: Mg2(CO3)(HBO3)+5H2O. Type Locality: Brosso Fe mine, Canavese
dist, Torino, Piemonte, Italy.
Cancrinite: Na6Ca2Al6Si6O24(CO3)2 (Cancrinite) Class:
Silicate, Subclass: Tektosilicate.
Canfieldite: Ag8SnS6 Class: Sulfosalt. Type
Locality: Avilargus, La Paz (near), Bolivia.
Caratiite: Discredited (Varietal name).
Carletonite: KNa4Ca4Si8O18(CO3)4(OH,F)+H2O. Type Locality: Mont
Saint-Hilaire, Rouville Co., Québec, Canada.
Carnasurtite: Karnasurtite (Varietal name).
Carnotite: K2(UO2)2V2O8+3H2O. Type Locality: Montrose Co., Colorado,
USA.
Carrollite: Cu(Co,Ni)2S4 (Linnaeite) Class:
Sulfide. Type Locality: Patapsco mine, Finksburg,
Carroll Co., Maryland, USA.
Cassiterite: SnO2 (Rutile) Class:
Oxide.
Catapleiite: Na2ZrSi3O9+2H2O Class:
Silicate. Type Locality: Låven, Langesundfjord,
Norway.
Catophorite: Katophorite (Varietal name).
Cavansite: Ca(VO)Si4O10+4H2O Class:
Silicate. Type Locality: Charles W. Chapman Quarry,
Columbia Co., Oregon, USA ; Lake Owyhee State Park, Malheur Co., Oregon,
USA.
Celadonite: K(Mg,Fe)(Fe,Al)Si4O10(OH)2 (Mica) Class:
Silicate, Subclass: Phyllosilicate. Type Locality:
Planitz, Zwickau, Poland.
Celestine: SrSO4 (Barite) Class:
Sulfate, Subclass: Anhydrous Sulfate. Type Locality:
Bellwood, Blair Co., Pennsylvania, USA.
Cenosite: Kainosite (Varietal name).
Cerargyrite: Chlorargyrite (Varietal name) Class: Halide.
Cerussite: PbCO3 (Aragonite) Class:
Carbonate. Type Locality: Vicentin, Italy.
Cervantite: Sb2O4 Class: Oxide. Type Locality:
Cervantes, Galicia, Spain.
Chabazite: CaAl2Si4O12+6H2O (Zeolite) Class:
Silicate, Subclass: Tektosilicate.
Chalcanthite: CuSO4+5H2O (Chalcanthite) Class:
Sulfate.
Chalcedony: Cryptocrystalline variety of quartz (Varietal name).
Chalcocite: Cu2S Class: Sulfide.
Chalcopyrite: CuFeS2 (Chalcopyrite) Class:
Sulfide.
Chalcosiderite: CuFe6(PO4)4(OH)8+4H2O (Turquoise) Class:
Phosphate, Subclass: Hydrous Hydroxyl Phosphate.
Type Locality: Sayn (Siegen), Westphalia, Germany; and West Phoenix mine,
Cornwall, England [ neotype locality).
Chalcotrichite : Capillary cuprite (Varietal name).
Chalybite: Siderite (Varietal name).
Chamosite: (Fe,Mg)5Al(Si3Al)O10(OH,O)8 (Chlorite) Class:
Silicate, Subclass: Phyllosilicate. Type Locality:
Chamoson, St. Maurice, Valais (Wallis), Switzerland.
Charoite: (K,Na)5(Ca,Ba,Sr)8Si8O46(OH,F)+nH2O Class:
Silicate. Type Locality: Charo River, Murun Massif,
Aldan (NE), Yakutia, Russia, USSR.
Chessylite: Azurite (Varietal name).
Chiastolite: Andalusite (Varietal name).
Childrenite: FeAl(PO4)(OH)2+H2O Class:
Phosphate. Type Locality: Tavistock (near), Devon,
England.
Chloanthite: Nickel-skutterudite (Varietal name).
Chlorapatite: Ca5(PO4)3Cl (Apatite) Class:
Phosphate, Subclass: Anhydrous Phosphate. Type
Locality: Norway.
Chlorargyrite: AgCl Class: Halide. Type Locality: Marienberg, Sachsen,
Germany.
Chlorastrolite: Pumpellyite (Varietal name).
Chlorite: Group name.
Chloropal: Nontronite (Varietal name).
Chlorotile: Agardite (Varietal name).
Chondrodite: (Mg,Fe)5(SiO4)2(F,OH)2 (Humite) Class:
Silicate, Subclass: Nesosilicate. Type Locality:
Pargas, Finland.
Chromatite: CaCrO4. Type Locality: Jerusalem-Jericho Highway,
Jordan.
Chromite: FeCr2O4 (Spinel) Class:
Oxide.
Chromium: Cr Class: Native Element, Subclass:
Metals. Type Locality: Unspecified locality, Sichuan, China.
Chrysoberyl: BeAl2O4 Class: Oxide. Type Locality:
Brazil.
Chrysocolla: (Cu,Al)2H2Si2O5(OH)4+nH2O.
Chrysolite: Forsterite (olivine) (Varietal name).
Chrysotile: Subgroup name for the sheet silicates of the serpentine
group.
Cinnabar: HgS Class: Sulfide.
Citrine: Yellow variety of quartz (Varietal name).
Cleavelandite: Platy variety of albite (Varietal name).
Clinochlore: (Mg,Fe)5Al(Si3Al)O10(OH)8 (Chlorite) Class:
Silicate, Subclass: Phyllosilicate. Type Locality:
West Chester, Chester Co., Pennsylvania, USA.
Clinochrysotile: Mg3Si2O5(OH)4 (Kaolinite-serpentine) Class:
Silicate. Type Locality: Reichenstein, Silesia,
Poland.
Clinoclase: Cu3(AsO4)(OH)3 Class: Arsenate. Type Locality: Wheal Gorland,
St. Day, Cornwall, England.
Clinohumite: (Mg,Fe)9(SiO4)4(F,OH)2 (Humite) Class:
Silicate, Subclass: Nesosilicate. Type Locality:
Monte Somma, Mt. Vesuvius, Napoli, Campania, Italy.
Clinoptilolite: (Na,K,Ca)6(Si,Al)36O27+20H2O
(Zeolite) Class:
Silicate.
Clinozoisite: Ca2Al3(SiO4)3(OH) (Epidote) Class:
Silicate, Subclass: Sorosilicate.
Clintonite: Ca(Mg,Al)3(Al3Si)O10(OH)2 (Mica) Class:
Silicate, Subclass: Phyllosilicate. Type Locality:
Amity, New York, USA.
Coalingite: Mg10Fe2(CO3)(OH)24+2H2O. Type Locality: New Idria serpentine,
Coalinga (near), Fresno Co., California, USA.
Cobaltite: CoAsS (Cobaltite) Class:
Sulfide.
Coesite: SiO2. Type Locality: Canyon Diablo meteorite, Meteor Crater,
Coconino Co., Arizona, USA.
Colemanite: Ca2B6O11+5H2O Class: Borate, Subclass: Hydrated Borate.
Colusite: Cu26V2(As,Sn,Sb)6S32 (Colusite) Class:
Sulfide. Type Locality: Colusa claim, Butte, Silver
Bow Co., Montana, USA.
Comancheite: Hg13(Cl,Br)8O9. Type Locality: Mariposa Mine, Terlingua
Dist., Brewster Co., Texas, USA.
Conichalcite: CaCu(AsO4)(OH) (Adelite) Class: Arsenate, Subclass:
Hydroxyl Arsenate. Type Locality: Hinojosa de Cordoba, Andalusia, Spain.
Connellite: Cu19Cl4(SO4)(OH)32+3H2O Class:
Sulfate, Subclass: Hydrated Hydroxyl Sulfate. Type
Locality: Wheal Providence [ ? Wheal Gorland, St. Day], Cornwall, England.
Cookeite: LiAl4(Si3Al)O10(OH)8 (Chlorite) Class:
Silicate, Subclass: Phyllosilicate. Type Locality:
Hebron, Maine, USA.
Copiapite: Fe5(SO4)6(OH)2+20H2O (Copiapite) Class:
Sulfate. Type Locality: Copiapó, Atacama,
Chile.
Copper: Cu Class: Native Element, Subclass:
Metals.
Cordierite: Mg2Al4Si5O18 Class: Silicate,
Subclass: Cyclosilicate. Type Locality: Bodenmais, Bayern (Bavaria),
Germany.
Cornetite: Cu3(PO4)(OH)3 Class: Phosphate.
Type Locality: L'Étoile du Congo mine, Lubumbashi (Elizabethville),
Shaba, Zaïre.
Cornubite: Cu5(AsO4)2(OH)4 Class: Arsenate. Type Locality: Wheal
Carpenter, Gwinear, Cornwall, England.
Cornwallite: Cu5(AsO4)2(OH)4+H2O Class: Arsenate. Type Locality: Wheal
Gorland, St. Day, Cornwall, England.
Corundum: Al2O3 Class: Oxide. Type Locality:
Bombay (near), India.
Covellite: CuS Class: Sulfide. Type Locality:
Mt. Vesuvius, Napoli, Campania, Italy.
Cowlesite: CaAl2Si3O10+5-6H2O (Zeolite)
Class: Silicate. Type Locality: Goble, Columbia
Co., Oregon, USA.
Crandallite: CaAl3(PO4)2(OH)5+H2O (Crandallite) Class:
Phosphate. Type Locality: Brooklyn Mine dump, Tintic
Dist., Silver City (NW), Utah, USA.
Creaseyite: Cu2Pb2(Fe,Al)2Si5O17+6H2O. Type Locality: Mammoth mine,
Tiger, Pinal Co., Arizona, USA.
Creedite: Ca3Al2(SO4)(F,OH)10+2H2O Class: Halide. Type Locality: Wagon
Wheel Gap, Creede Quad., Mineral Co., Colorado, USA.
Cristobalite: SiO2 Class: Silicate, Subclass:
Tektosilicate. Type Locality: Cerro San Cristóbal, Pachuca, Mexico.
Crocidolite: Fibrous variety of riebeckite (Varietal name).
Crocoite: PbCrO4 Class: Chromite. Type Locality: Berezov, Ekaterinburg
(Sverdlovsk), Ural Mts., Russia, USSR.
Cryolite: Na3AlF6 Class: Halide, Subclass: Alumino-Fluoride. Type
Locality: Ivigtut, Greenland (SW).
Cubanite: CuFe2S3 Class: Sulfide. Type Locality:
Barracanao, Cuba.
Cumengeite: Pb21Cu20Cl42(OH)40 Class: Halide. Type Locality: Amelia
mine, Boléo, Santa Rosalia (near), Baja California, Mexico.
Cummingtonite: (Mg,Fe)7Si8O22(OH)2 (Amphibole) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Cummington, Hampshire Co., Massachusetts, USA.
Cuprite: Cu2O Class: Oxide.
Cuprosklodowskite: (H3O)2Cu(UO2)2(SiO4)2+2H2O Class:
Silicate.
Curetonite: Ba4Al3Ti(PO4)4(O,OH)6 Class:
Phosphate. Type Locality: Barite Mine, Golconda
(near), Humboldt Co., Nevada, USA.
Cuspidine: Ca4Si2O7(F,OH)2 (Cuspidine) Class:
Silicate. Type Locality: Monte Somma, Mt. Vesuvius,
Napoli, Campania, Italy.
Custerite: Cuspidine (Varietal name).
Cyanite: Kyanite (Varietal name).
Cyanotrichite: Cu4Al2(SO4)(OH)12+2H2O Class:
Sulfate.
Cyrtolite: Zircon (Varietal name).
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Dahllite: Carbonate hydroxylapatite (Varietal name).
Danalite: Fe4Be3(SiO4)3S. Type Locality: Rockport, Cape Ann, Essex
Co., Massachusetts, USA.
Danburite: CaB2(SiO4)2 Class: Silicate,
Subclass: Tektosilicate. Type Locality: Danbury, Fairfield Co., Connecticut,
USA.
Datolite: CaBSiO4(OH) (Gadolinite) Class:
Silicate. Type Locality: Arendal, Norway.
Davisonite: Crandallite (Varietal name).
Davyne: (Na,Ca,K)8Al6Si6O24(Cl,SO4,CO3)2-3 Class:
Silicate. Type Locality: Monte Somma, Mt. Vesuvius,
Napoli, Campania, Italy.
Dawsonite: NaAl(CO3)(OH)2 Class: Carbonate.
Type Locality: Siena, Toscana, Italy and/or Trenton limestone, McGill University,
Montreal, Québec, Canada.
Descloizite: PbZn(VO4)(OH) (Descloizite) Class:
Vanadate, Subclass: Hydroxyl Vanadate. Type Locality:
Sierra de Cordoba, Argentina.
Desmine: Stilbite (Varietal name).
Diaboleite: Pb2CuCl2(OH)4 Class: Halide. Type Locality: Higher Pitts
mine, Priddy, Mendip Hills, Somerset, England.
Diamond: C Class: Native Element, Subclass:
Non-Metals.
Diaspore: AlO(OH) (Diaspore) Class: Oxide.
Type Locality: Mramorskoi, Kossoibrod (S), Ural Mts., Russia, Russia, USSR.
Dickinsonite: (K,Ba)(Na,Ca)5(Mn,Fe,Mg)14Al(PO4)12(OH,F)2 Class:
Phosphate. Type Locality: Branchville, Fairfield
Co., Connecticut, USA.
Dickite: Al2Si2O5(OH)4 (Kaolinite-serpentine) Class:
Silicate. Type Locality: Amlwch, Anglesey,
Wales.
Diopside: CaMgSi2O6 (Pyroxene) Class:
Silicate, Subclass: Inosilicate.
Dioptase: CuSiO2(OH)2 Class: Silicate,
Subclass: Cyclosilicate. Type Locality: Altyn-Tyube, Karaganda (E), Kirghizia,
USSR.
Disthene: Kyanite (Varietal name).
Djurleite: Cu31S16 Class: Sulfide. Type
Locality: Barranca de Cobre, Chihuahua, Mexico.
Dolomite: CaMg(CO3)2 (Dolomite) Class:
Carbonate. Type Locality: Tyrol, Italy.
Domeykite: Cu3As Class: Arsenide. Type Locality: Algodones mines,
Coquimbo (Calabozo), Chile.
Donathite: Discredited (a mixture of two spinels) (Varietal name).
Dravite: NaMg3Al6(BO3)3Si6O18(OH)4 (Tourmaline) Class:
Silicate, Subclass: Cyclosilicate. Type Locality:
Unterdrauburg, Drave, Kärnten (Carinthia), Austria.
Dufrenite: Fe5(PO4)3(OH)5+H2O Class:
Phosphate. Type Locality: Hirschberg, Gera,
Germany.
Duftite: PbCu(AsO4)(OH) (Adelite) Class: Arsenate, Subclass: Hydroxyl
Arsenate. Type Locality: Tsumeb, Namibia.
Dumontite: Pb2[(UO2)3O2(PO4)2]+5H2O Class:
Phosphate. Type Locality: Kasolo (Shinkolobwe),
Shaba, Zaïre.
Dumortierite: Al7(BO3)(SiO4)3O3 Class:
Silicate. Type Locality: Beaunan, Chaponost, Lyons
(near), France.
Dundasite: PbAl2(CO3)2(OH)4+H2O Class:
Carbonate. Type Locality: Adelaide Prop. mine,
Dundas, Tasmania, Australia.
Dyscrasite: Ag3Sb Class: Sulfide. Type Locality:
Andreasberg, Harz, Germany.
Click here to see the Mineral Galleries.
Ecdemite: Pb6As2O7Cl4. Type Locality: Långban mine, Filipstad
(near), Värmland, Sweden.
Edenite: NaCa2(Mg,Fe)5(Si7Al)O22(OH)2 (Amphibole) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Edenville, New York, USA.
Edingtonite: BaAl2Si3O10+4H2O (Zeolite)
Class: Silicate. Type Locality: Böhlet mine,
Västergötland, Sweden.
Elbaite: Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 (Tourmaline) Class:
Silicate, Subclass: Cyclosilicate. Type Locality:
Elba, Toscana, Italy.
Emerald: Green beryl (containing Cr or V) (Varietal name).
Emmonsite: Fe2Te3O9+2H2O Class: Tellurite. Type Locality: Tombstone,
Cochise Co., Arizona, USA.
Enargite: Cu3AsS4 Class: Sulfosalt. Type
Locality: S. Francisco vein, Morococha, Jauli, Peru.
Endlichite: Vanadinite containing As (Varietal name).
Englishite: Na2K3Ca10Al15(PO4)21(OH)7+26H2O Class:
Phosphate. Type Locality: Clay Canyon, Fairfield
(near), Utah Co., Utah, USA.
Enstatite: Mg2Si2O6 (Pyroxene) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Berge Zdjar, Moravia, Czech Republic.
Eosphorite: (Mn,Fe)Al(PO4)(OH)2+H2O Class:
Phosphate. Type Locality: Branchville, Fairfield
Co., Connecticut, USA.
Epidesmine: Stilbite (Varietal name).
Epididymite: NaBeSi3O7(OH) Class: Silicate.
Type Locality: Narsarsuk, Greenland (S).
Epidote: Ca2(Al,Fe)3(SiO4)3(OH) (Epidote) Class:
Silicate, Subclass: Sorosilicate. Type Locality:
Bourg d'Oisans, Dauphiné, France.
Epistilbite: CaAl2Si6O16+5H2O (Zeolite)
Class: Silicate. Type Locality: Teigarhorn, Berufjord,
Iceland.
Epsomite: MgSO4+7H2O Class: Sulfate. Type
Locality: Epsom, Surrey, England.
Erinite: Cornwallite (Varietal name).
Erionite: (K2,Ca,Na2)2Al4Si14O36+15H2O
(Zeolite) Class:
Silicate. Type Locality: Durkee, Baker Co., Oregon,
USA.
Ernstite: (Mn1-x,Fex)Al(PO4)(OH,O)2 Class:
Phosphate. Type Locality: Davib-East farm, Karibib
(near), Namibia.
Erythrite: Co3(AsO4)2+8H2O (Vivianite) Class: Arsenate, Subclass:
Hydrated Arsenate. Type Locality: Allemont, Isère, France.
Esperite: PbCa3Zn4(SiO4)4 Class: Silicate.
Type Locality: Franklin, Sussex Co., New Jersey, USA.
Euclase: BeAlSiO4(OH) Class:
Silicate.
Eucryptite: LiAlSiO4 Class: Silicate. Type
Locality: Branchville, Fairfield Co., Connecticut, USA.
Eudialyte: Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2 Class:
Silicate. Type Locality: Kangerdluarsuk,
Ilímaussaq intrusive, Greenland (S).
Eudidymite: NaBeSi3O7(OH) Class: Silicate.
Type Locality: Larvik, Vestfold, Norway.
Eulite: Hypersthene (Varietal name).
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Fairfieldite: Ca2(Mn,Fe)(PO4)2+2H2O (Fairfieldite) Class:
Phosphate. Type Locality: Branchville, Fairfield
Co., Connecticut, USA.
Fassaite: Ferrian aluminian diopside or augite (Varietal name).
Fayalite: Fe2SiO4 (Olivine) Class:
Silicate, Subclass: Nesosilicate. Type Locality:
Fayal, Azores, Atlantic Ocean.
Feldspar: Group name.
Ferberite: FeWO4 (Wolframite Series) Class: Tungstate. Type Locality:
Sierra Almagrera, Spain (S).
Ferrierite: (Na,K)2MgAl3Si15O36(OH)+9H2O
(Zeolite) Class:
Silicate.
Ferro-axinite: Ca2FeAl2BSi4O15(OH) (Axinite) Class:
Silicate, Subclass: Cyclosilicate.
Ferrocolumbite: FeNb2O6 Class: Oxide. Type
Locality: Greens Well, Wodgina, Western Australia, Australia.
Ferrotantalite: FeTa2O6 Class: Oxide.
Ferrowodginite: FeSnTa2O8 (Wodginite) Class:
Oxide. Type Locality: Sukula (near), Tamella-Somera
pegmatite province, Finland (SW).
Fersmanite: (Ca,Na)4(Ti,Nb)2Si2O11(F,OH)2. Type Locality: Khibina
massif, Kola Peninsula, Russia, USSR.
Fersmite: (Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6. Type Locality: Vishnevye
Mts., Ural Mts., Russia, USSR.
Fibrolite: Sillimanite (Varietal name).
Fluoborite: Mg3(BO3)(F,OH)3 Class: Borate.
Fluorapatite: Ca5(PO4)3F (Apatite) Class:
Phosphate, Subclass: Anhydrous Phosphate.
Fluorapophyllite: KCa4Si8O20(F,OH)+8H2O Class:
Silicate, Subclass: Phyllosilicate.
Fluorite: CaF2 Class: Halide.
Fluororichterite: Na2Ca(Mg,Fe)5[Si8O22](F,OH)2 (Amphibole) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Ilmenogorsk-Vishnevogorsk alkaline complex, Miass (near, Chelyabinsk.
Foggite: CaAl(PO4)(OH)2+H2O Class:
Phosphate. Type Locality: Palermo #1 Mine, North
Groton, Grafton Co., New Hampshire, USA.
Foitite: [][Fe2(Al,Fe)]Al6Si6O18(BO3)(OH) (Tourmaline) Class:
Silicate, Subclass: Cyclosilicate. Type Locality:
Exact Locality Unknown, California (S), USA.
Fornacite: (Pb,Cu)3[(Cr,As)O4]2(OH) Class: Chomate. Type Locality:
Renéville, Djoué, Zaïre.
Forsterite: Mg2SiO4 (Olivine) Class:
Silicate, Subclass: Nesosilicate. Type Locality:
Monte Somma, Mt. Vesuvius, Napoli, Campania, Italy.
Foshagite: Ca4Si3O9(OH)2. Type Locality: Crestmore, Riverside Co.,
California, USA.
Foucherite: Delvauxite (Varietal name).
Francolite: Carbonate-fluorapatite (Varietal
name).
Franklinfurnaceite: Ca2(Fe,Al)Mn4Zn2Si2O10(OH)8. Type Locality: Franklin,
Sussex Co., New Jersey, USA.
Franklinite: (Zn,Mn,Fe)(Fe,Mn)2O4 (Spinel) Class:
Oxide. Type Locality: Franklin, Sussex Co., New
Jersey, USA.
Fresnoite: Ba2TiSi2O8. Type Locality: Big Creek -- Rush Creek area,
Fresno Co., California, USA.
Friedelite: Mn8Si6O15(OH,Cl)10 Class:
Silicate. Type Locality: Adervielle mine, Louron
valley, Hautes Pyrénées, France.
Frondelite: MnFe4(PO4)3(OH)5 Class:
Phosphate. Type Locality: Sapucaia Pegmatite,
Conselheiro Pena, Galileia, Minas Gerais, Brazil.
Fuchsite: Muscovite with up to 4.8% Cr2O3 (Varietal name).
Click here to see the Mineral Galleries.
Gadolinite-(Ce): (Ce,La,Nd,Y)2FeBe2Si2O10 (Gadolinite) Class:
Silicate. Type Locality: Skien, Oslo (near),
Norway.
Gadolinite-(Y): Y2FeBe2Si2O10 (Gadolinite) Class:
Silicate. Type Locality: Ytterby feldspar quarry,
Resarö island, Stockholm (near), Sweden.
Gahnite: ZnAl2O4 (Spinel) Class: Oxide. Type
Locality: Falun, Sweden.
Galena: PbS Class: Sulfide.
Garnet: Group name.
Garnierite: Hydrous nickel silicates (Varietal name).
Gasparite-(Ce): (Ce,La,Nd)AsO4 (Monazite) Class: Arsenate. Type Locality:
Mt. Pizzo Cervandone (Cherbadung), Piemonte, Italy.
Gaspéite: (Ni,Mg,Fe)CO3 (Calcite) Class:
Carbonate. Type Locality: Lemieux Township,
Gaspé Peninsula, Gaspé-ouest Co., Québec, Canada.
Genthelvite: Zn4Be3(SiO4)3S. Type Locality: Cheyenne Canyon (W), El
Paso Co., Colorado, USA.
Genthite: Garnierite (Varietal name).
Gerstmannite: (Mg,Mn)2ZnSiO4(OH)2. Type Locality: Sterling Hill Mine,
Ogdensburg, Sussex Co., New Jersey, USA.
Getchellite: AsSbS3. Type Locality: Getchell Mine, South Pit Extension,
Humboldt Co., Nevada, USA.
Gibbsite: Al(OH)3 Class: Oxide, Subclass:
Hydroxide. Type Locality: Richmond, Berkshire Co., Massachusetts, USA.
Gismondine: Ca2Al4Si4O16+9H2O (Zeolite)
Class: Silicate. Type Locality: Capo di Bove,
Roma, Italy.
Glauberite: Na2Ca(SO4)2 Class: Sulfate, Subclass:
Anhydrous Sulfate. Type Locality: Villarubia, Ocana (near), Toledo, Spain.
Glauconite: (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2 (Mica) Class:
Silicate, Subclass: Phyllosilicate.
Glaucophane: Na2(Mg,Fe)3Al2Si8O22(OH)2 (Amphibole) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Syra island, Kikládhes (Cyclades Islands), Greece.
Gmelinite: (Na2,Ca)Al2Si4O12+6H2O (Zeolite)
Class: Silicate, Subclass: Tektosilicate. Type
Locality: Little Deer Park, Co. Antrim, Northern Ireland.
Goethite: FeO(OH) (Diaspore) Class: Oxide.
Type Locality: Hollerter Zug, Kirchen, Rheinland, Germany.
Gold: Au Class: Native Element, Subclass:
Metals.
Goosecreekite: CaAl2Si6O16+5H2O (Zeolite)
Class: Silicate. Type Locality: Luck Goose Creek
Quarry, Loudoun Co., Virginia, USA.
Goshenite: Colorless vairety of beryl (Varietal name).
Goudeyite: (Al,Y)Cu6(AsO4)3(OH)6+3H2O (Mixite) Class: Arsenate. Type
Locality: Majuba Hill Mine, Pershing Co., Nevada, USA.
Goyazite: SrAl3(PO4)2(OH)5+H2O (Crandallite) Class:
Phosphate. Type Locality: Serra de Congonhas,
Diamantina, Minas Gerais, Brazil.
Graftonite: (Fe,Mn,Ca)3(PO4)2 Class:
Phosphate. Type Locality: Grafton (near), Melvin
Mt., New Hampshire, USA.
Grandreefite: Pb2(SO4)F2 Class: Sulfate.
Type Locality: Grand Reef Mine, Laurel Canyon, Graham Co., Arizona, USA.
Graphite: C Class: Native Element, Subclass:
Non-Metals.
Gratonite: Pb9As4S15 Class: Sulfosalt. Type
Locality: Excelsior mine, Cerro de Pasco, Pasco dept., Peru.
Greenockite: CdS Class: Sulfide. Type Locality:
Bishopton, Renfrewshire, Scotland.
Grossular: Ca3Al2(SiO4)3 (Garnet) Class:
Silicate, Subclass: Nesosilicate. Type Locality:
Siberia, Russia, USSR.
Grossularite: Grossular (Varietal name).
Groutite: MnO(OH) (Diaspore) Class: Oxide.
Type Locality: Mahnomen mine, Cuyuna Range, Crow Wing Co., Minnesota, USA.
Grünerite: (Fe,Mg)7Si8O22(OH)2 (Amphibole) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Collobrières, Var, France.
Gypsum: CaSO4+2H2O Class: Sulfate, Subclass:
Hydrated Sulfate.
Gyrolite: Na(Ca,Mg,Fe)16(Si,Al)24O60(OH)8+15H2O. Type Locality: Storr,
Portree, Skye, Scotland.
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Halite: NaCl Class: Halide.
Halloysite: Al2Si2O5(OH)4 (Kaolinite-serpentine) Class:
Silicate.
Halotrichite: FeAl2(SO4)4+22H2O (Halotrichite) Class:
Sulfate.
Hambergite: Be2BO3(OH) Class: Borate. Type Locality: Helgeraen,
Langesundfjord, Telemark, Norway.
Hancockite: (Pb,Ca,Sr)2(Al,Fe)3(SiO4)3(OH) (Epidote) Class:
Silicate, Subclass: Sorosilicate. Type Locality:
Franklin Furnace, Sussex Co., New Jersey, USA.
Hanksite: KNa22(SO4)9(CO3)2Cl Class: Sulfate,
Subclass: Compound Sulfate. Type Locality: Searles Lake, San Bernardino Co.,
California, USA.
Hardystonite: Ca2ZnSi2O7 (Melilite) Class:
Silicate. Type Locality: North Hill Mine, Franklin,
Sussex Co., New Jersey, USA.
Harmotome: (Ba,K)1-2(Si,Al)8O16+6H2O
(Zeolite) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Andreasberg, Harz, Germany.
Hauckite: Fe3(Mg,Mn)24Zn18(SO4)4(CO3)2(OH)81. Type Locality: Sterling
Hill Mine, Ogdensburg, Sussex Co., New Jersey, USA.
Hausmannite: Mn3O4 Class: Oxide. Type Locality:
Ilfeld, Harz, Germany and/or Raddusa, Sicilia (Sicily), Italy.
Hauyne, haüyne, haueyne: (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
(Sodalite) Class: Silicate. Type Locality: Monte
Somma, Mt. Vesuvius, Napoli, Campania, Italy.
Hawthorneite: Ba[Ti3Cr4Fe4Mg]O19 (Magnetoplumbite) Class:
Oxide. Type Locality: Bulfontein, Kimberley, South
Africa.
Hedenbergite: CaFeSi2O6 (Pyroxene) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Mormors mine, Tunaberg, Sweden.
Heliodor: Yellow-golden yellow variety of beryl (Varietal name).
Helvite: Mn4Be3(SiO4)3S Class: Silicate.
Type Locality: Schwarzenberg, Sachsen (Saxony), Germany.
Hematite: Fe2O3 (Hematite) Class:
Oxide.
Hemimorphite: Zn4Si2O7(OH)2+H2O Class:
Silicate, Subclass: Sorosilicate. Type Locality:
Rezbanya, Hungary.
Hendersonite: Ca2V9O24+8H2O. Type Locality: JJ Mine, Paradox Valley,
Montrose Co., Colorado, USA and Unspecified locality, New Mexico, USA.
Hendricksite: K(Zn,Mg,Mn)3Si3AlO10(OH)2 (Mica) Class:
Silicate, Subclass: Phyllosilicate. Type Locality:
Franklin, Sussex Co., New Jersey, USA.
Herderite: CaBe(PO4)(F,OH) Class: Phosphate,
Subclass: Fluorine-Hydroxyl Phosphate. Type Locality: Ehrenfriedersdorf,
Sachsen (Saxony), Germany.
Hessite: Ag2Te Class: Telluride. Type Locality: Sacarîmb
(Nagyág), Muntii Metaliferi, Judetul Hunedoara, Romania.
Hessonite: Brownish red to orangish red variety of grossular, contains
Fe.
Heterosite: (Fe,Mn)PO4 Class: Phosphate,
Subclass: Anhydrous Phosphate. Type Locality: Limoges (near), Haute-Vienne,
France.
Heulandite: (Na,Ca)2-3Al3(Al,Si)2Si13O36+12H2O
(Zeolite) Class:
Silicate, Subclass: Tektosilicate.
Hewettite: CaV6O16+9H2O Class: Vanadium Oxysalt. Type Locality:
Minasragra, Junín, Peru.
Hexagonite: Tremolite (Varietal name).
Heyite: Pb5Fe2(VO4)2O4. Type Locality: Betty Jo Claim, Ely (near),
White Pine Co., Nevada, USA.
Hibschite: Hydrogrossular (Varietal name).
Hiddenite: Emerald-green variety of spodumene, contains Cr (Varietal
name).
Hodgkinsonite: MnZn2SiO4(OH)2. Type Locality: Franklin, Sussex Co.,
New Jersey, USA.
Hollandite: BaMn8O16 (Cryptomelane) Class:
Oxide. Type Locality: Kajlidongri, Jhabua State,
India (central).
Hornblende: Subgroup in the amphibole group.
Hornesite, hörnesite, hoernesite: Mg3(AsO4)2+8H2O (Vivianite)
Class: Arsenate, Subclass: Hydrated Arsenate. Type Locality: Oravita (Oravicza),
Banat, Romania.
Hortonolite: Magnesian, manganoan Fayalite (Varietal name).
Howieite: Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13. Type Locality: Laytonville
Quarry, Laytonville (S), Mendocino Co., California, USA.
Howlite: Ca2SiB5O9(OH)5 Class: Borate, Subclass: Hydrated Borate.
Type Locality: Brookville, Windsor (near), Hants Co., Nova Scotia, Canada.
Hubnerite, hübnerite, huebnerite: MnWO4 (Wolframite Series) Class:
Tungstate. Type Locality: Erie and Enterprize veins, Ellsworth, Mammoth dist.,
Nevada, USA.
Humite: (Mg,Fe)7(SiO4)3(F,OH)2 (Humite) Class:
Silicate, Subclass: Nesosilicate. Type Locality:
Monte Somma, Mt. Vesuvius, Napoli, Campania, Italy.
Huréaulite: Mn5(PO4)2[PO3(OH)]2+4H2O Class:
Phosphate. Type Locality: Huréaux quarry,
St. Sylvestre, Haute-Vienne, France.
Hurlbutite: CaBe2(PO4)2 Class: Phosphate.
Type Locality: Smith mine, Newport, New Hampshire, USA.
Hyacinth: Zircon (Varietal name).
Hyalite: Colorless variety of opal (Varietal name).
Hyalophane: (K,Ba)Al(Si,Al)3O8 (Feldspar) Class:
Silicate, Subclass: Tektosilicate.
Hydrocerussite: Pb3(CO3)2(OH)2 Class:
Carbonate. Type Locality: Långban mine,
Filipstad (near), Värmland, Sweden.
Hydromagnesite: Mg5(CO3)4(OH)2+4H2O Class:
Carbonate. Type Locality: Hoboken, Hudson Co.,
New Jersey, USA.
Hydroxyapophyllite: KCa4Si8O20(OH,F)+8H2O Class:
Silicate, Subclass: Phyllosilicate. Type Locality:
Ore Knob Mine, Jefferson, Ashe Co., North Carolina, USA.
Hydroxylapatite: Ca5(PO4)3(OH) (Apatite) Class:
Phosphate, Subclass: Hydroxyl Phosphate.
Hydroxylherderite: CaBe(PO4)(OH) Class:
Phosphate.
Hydrozincite: Zn5(CO3)2(OH)6 Class:
Carbonate. Type Locality: Bleiberg, Carinthia,
Austria.
Hypersthene: Enstatite-ferrosilite series (Varietal name).
Click here to see the Mineral Galleries.
Idocrase: Vesuvianite (Varietal name).
Ilmenite: FeTiO3 (Ilmenite) Class: Oxide.
Type Locality: Ilmen Mts., Miass, Ural Mts., Russia, USSR.
Ilmenorutile: (Ti,Nb,Fe)O26 Class:
Oxide.
Ilvaite: CaFe3Si2O7(O,OH) Class: Silicate,
Subclass: Sorosilicate. Type Locality: Rio la Marina and Capo Calamita, Elba,
Toscana, Italy.
Inderite: MgB3O3(OH)5+5H2O Class: Borate, Subclass: Hydrated Borate.
Indicolite: Blue variety of elbaite (Varietal name).
Indium: In Class: Native Element. Type Locality:
Unspecified locality, Zabaikal'ye (E) (Transbaikal), Russia, USSR.
Inesite: Ca2Mn7Si10O28(OH)2+5H2O Class:
Silicate. Type Locality: Nanzenbach, Dillenburg
(near), Germany.
Inyoite: Ca2B6O6(OH)10+8H2O. Type Locality: Mt. Blanco Deposit, Furnace
Creek, Death Valley, Inyo Co., California, USA.
Iolite: Cordierite (Varietal name).
Iridium: Ir Class: Native Element, Subclass:
Metals.
Iron: Fe Class: Native Element, Subclass:
Metals.
Ishikawaite: (U,Fe,Y,Ca)(Nb,Ta)O4 Class:
Oxide. Type Locality: Ishikawa district, Iwaki,
Fukushima Pref., Japan.
Isostannite: Kesterite (Varietal name).
Click here to see the Mineral Galleries.
Jade: Gem varieties of jadeite or nephrite (Varietal name).
Jadeite: NaAlSi2O6 (Pyroxene) Class:
Silicate, Subclass: Inosilicate.
Jahnsite-(CaMnFe): CaMnFe2Fe2(PO4)4(OH)2+8H2O (Whiteite) Class:
Phosphate. Type Locality: Tip Top Pegmatite, Custer,
Custer Co., South Dakota, USA, and(?) Fletcher and Palermo mines, New Hampshire,
USA.
Jahnsite-(CaMnMg): CaMn(Mg,Fe)2Fe2(PO4)4(OH)2+8H2O (Whiteite) Class:
Phosphate. Type Locality: Tip Top Pegmatite, Custer, Custer Co., South Dakota,
USA.
Jahnsite-(CaMnMn): CaMnMn2Fe2(PO4)4(OH)2+8H2O (Whiteite) Class:
Phosphate. Type Locality: Mangualde, Beira,
Portugal.
Jamesonite: Pb4FeSb6S14 Class: Sulfosalt.
Type Locality: Cornwall, England.
Jarosite: KFe3(SO4)2(OH)6 (Alunite) Class:
Sulfate. Type Locality: Jaroso ravine, Sierra Almagro,
Ciudad Real dist., Spain.
Jasper: Colored, translucent to opaque cryptocrytalline variety of
quartz (Varietal name).
Jeremejevite: Al6B5O15(F,OH)3.
Joaquinite-(Ce): Ba2NaCe2Fe(Ti,Nb)2Si8O26(OH,F)+H2O (Joaquinite) Class:
Silicate, Subclass: Titanosilicate. Type Locality:
Benito Gem mine, Diablo range, San Benito Co., California, USA.
Johnbaumite: Ca5(AsO4)3(OH) (Apatite) Class: Arsenate, Subclass: Hydroxyl
Arsenate. Type Locality: Palmer Shaft (S), Franklin, Sussex Co., New Jersey,
USA.
Click here to see the Mineral Galleries.
Kainite: MgSO4+KCl+3H2O. Type Locality: Stassfurt deposit, Sachsen
(Saxony), Germany.
Kainosite-(Y): Ca2(Y,Ce)2Si4O12(CO3)+H2O. Type Locality: Igeltjern,
Hitterö, Norway.
Kamarezite: Brochantite (Varietal name).
Kaolinite: Al2Si2O5(OH)4 (Kaolinite-serpentine) Class:
Silicate.
Katoite: Ca3Al2[(SiO4),(OH)4]3 (Garnet) Class:
Silicate, Subclass: Nesosilicate. Type Locality:
Cava Campomorto, Montalto di Castro, Viterbo, Lazio, Italy.
Kegelite: Pb12(Zn,Fe)2Al4(SO4)Si11O38. Type Locality: Tsumeb,
Namibia.
Kermesite: Sb2S2O Class: Sulfide.
Kernite: Na2B4O6(OH)2+3H2O Class: Borate, Subclass: Hydrated Borate.
Keyite: (Cu,Zn,Cd)3(AsO4)2 Class: Arsenate. Type Locality: Tsumeb,
Namibia.
Kidwellite: NaF9(PO4)6(OH)10+5H2O Class:
Phosphate. Type Locality: Fodderstack Mt., Montgomery
Co., Arkansas, USA.
Kimzeyite: Ca3(Zr,Ti)2(Si,Al,Fe)3O12 (Garnet) Class:
Silicate, Subclass: Nesosilicate.
Kinoite: Ca2Cu2Si3O8(OH)4 Class: Silicate.
Type Locality: Santa Rita Mts., Pima Co., Arizona, USA.
Kintoreite: PbFe3(PO4)2(OH,H2O)6 (Alunite) Class:
Sulfate. Type Locality: Kintore Open Cut, Broken
Hill, New South Wales, Australia.
Kleberite: Pseudorutile (Varietal name).
Kolicite: Mn7Zn4(AsO4)(SiO4)2(OH)8. Type Locality: Sterling Hill Mine,
Ogdensburg, Sussex Co., New Jersey, USA.
Kolwezite: (Cu,Co)2(CO3)(OH)2 (Rosasite) Class:
Carbonate. Type Locality: Kolwezi, Shaba (S),
Zaïre.
Kornerupine: Mg3Al6(Si,Al,B)5O21(OH). Type Locality: Fiskenäs,
Nuuk area, Greenland (SW).
Kraisslite: (Mn,Mg)24Zn3Fe(AsO3)2(AsO4)3(SiO4)6(OH)18. Type Locality:
Sterling Hill Mine, Ogdensburg, Sussex Co., New Jersey, USA.
Kunzite: Lilac to pink variety of spodumene (Varietal name).
Kutnohorite: Ca(Mn,Mg,Fe)(CO3)2 (Dolomite) Class:
Carbonate.
Kyanite: Al2SiO5 Class: Silicate, Subclass:
Nesosilicate. Type Locality: Greiner, Zillerthal, Austria.
Click here to see the Mineral Galleries.
Labradorite: (Na,Ca)(Al,Si)4O8 (Feldspar) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Paul Island, Labrador (coast), Newfoundland, Canada.
Lacroixite: NaAl(PO4)F Class: Phosphate.
Type Locality: Greifenstein, Ehrenfriedersdorf, Sachsen, Germany.
Laffittite: AgHgAsS3. Type Locality: Jas Roux, Hautes-Alpes, France.
Lamprophyllite: Na2(Sr,Ba)2Ti3(SiO4)4(OH,F)2. Type Locality: Lujavor-Urt,
Khibina tundra, Kola Peninsula, Russia, USSR.
Langbanite, långbanite: (Mn,Ca)4(Mn,Fe)9SbSi2O24. Type Locality:
Långban mine, Filipstad (near), Värmland, Sweden.
Langite: Cu4(SO4)(OH)6+2H2O Class: Sulfate.
Type Locality: Fowey Consols mine, Tywardreath (St. Blazey), Cornwall,
England.
Lanthanite-(Ce): (Ce,La,Nd)2(CO3)3+8H2O Class:
Carbonate. Type Locality: Britannia mine, Snowdon,
Caernarvonshire (Gwynedd), Wales.
Lanthanite-(La): (La,Ce)2(CO3)3+8H2O Class:
Carbonate. Type Locality: Bastnäs, Riddarhyttan,
Västmanland, Sweden.
Lanthanite-(Nd): (Nd,La)2(CO3)3+8H2O Class:
Carbonate. Type Locality: Curitiba, Paraná,
Brazil.
Laphamite: As2(Se,S)3. Type Locality: Burnside, Northumberland Co.,
Pennsylvania, USA.
Lapis lazuli: Gem variety of lazurite (Varietal name).
Laueite: MnFe2(PO4)2(OH)2+8H2O (Paravauxite) Class:
Phosphate.
Laumontite: CaAl2Si4O12+4H2O (Zeolite) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Huelgoat mine, Brittany, France.
Laurionite: PbCl(OH) Class: Halide. Type Locality: Lávrion
(Laurium), Attikí, Greece.
Lawsonite: CaAl2Si2O7(OH)2+H2O Class:
Silicate. Type Locality: Tiburon Peninsula, Marin
Co., California, USA.
Lazulite: MgAl2(PO4)2(OH)2 (Lazulite) Class: Anhydrous Phosphate,
Subclass: Hydroxyl Phosphate.
Lazurite: (Na,Ca)7-8(Al,Si)12(O,S)24[(SO4),Cl2(OH)2] (Sodalite) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Badakhstan, Afghanistan (NE) (?).
Lead: Pb Class: Native Element, Subclass:
Metals.
Leadhillite: Pb4(SO4)(CO3)2(OH)2 Class:
Sulfate. Type Locality: Leadhills, Lanarkshire,
Scotland.
Legrandite: Zn2(AsO4)(OH)+H2O Class: Arsenate. Type Locality: Flor
de Pena Mine, Lampazos, Nueva Leon, Mexico.
Lehiite: Mixture of crandallite and apatite (Varietal name).
Leiteite: ZnAs2O4. Type Locality: Tsumeb, Namibia.
Leonhardtite: NiTe2 (Melonite) Class: Telluride. Type Locality: Stanislaus
Mine, Carson Hill, Calaveras Co., California, USA.
Leonhardtite: Partially dehydrated laumontite (Varietal name).
Leonhardtite: Starkeyite (Varietal name).
Lepidocrocite: FeO(OH) Class: Oxide. Type
Locality: Eisenzeche, Eiserfeld, Siegen, Rheinland-Westfalen, Germany.
Lepidolite-2M1: K(Li,Al)3(Si,Al)4O10(F,OH)2 (Mica) Class:
Silicate, Subclass: Phyllosilicate. Type Locality:
Biskupi\v ce (near), Czech Republic.
Lepidolite-2M2: K(Li,Al)3(Si,Al)4O10(F,OH)2 (Mica) Class:
Silicate, Subclass: Phyllosilicate. Type Locality:
South Portland, Cumberland Co., Maine, USA.
Lepidomelane: Ferrian biotite (Varietal name).
Leucite: KAlSi2O6 (Zeolite) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Mt. Vesuvius, Napoli, Campania, Italy.
Leucophanite: (Na,Ca)2BeSi2(O,OH,F)7 Class:
Silicate.
Leucoxene: Alteration products of ilmenite or pseudorutile (Varietal
name).
Levyne: (Ca,Na2,K2)Al2Si4O12+6H2O (Zeolite)
Class: Silicate. Type Locality: Dalsnipa, Sandoy,
Faröe Islands.
Libethenite: Cu2(PO4)(OH) Class: Phosphate,
Subclass: Hydroxyl Phosphate. Type Locality: Lubietová (Libethen),
Banská Bystrica (Neusohl), Stredoslovensky kraj, Slovensko (Slovakia),
Czechoslovakia.
Liddicoatite: Ca(Li,Al)3Al6(BO3)3Si6O18(O,OH,F)4 (Tourmaline) Class:
Silicate, Subclass: Cyclosilicate. Type Locality:
Antsirabe, Madagascar.
Limonite: General term for hydrous iron oxides (Varietal name).
Linarite: PbCu(SO4)(OH)2 Class: Sulfate,
Subclass: Hydrated Sulfate. Type Locality: Linares, Jaén, Spain.
Linnaeite: Co3S4 (Linnaeite) Class: Sulfide.
Type Locality: Bastnäs, Riddarhyttan, Västmanland, Sweden.
Lithionite: Lepidolite (Varietal name).
Lithiophilite: LiMnPO4 Class: Phosphate,
Subclass: Anhydrous Phosphate. Type Locality: Branchville, Fairfield Co.,
Connecticut, USA.
Lollingite, löllingite, loellingite: FeAs2 (Lollingite) Class:
Arsenide. Type Locality: Wolfbaur mine, Lölling, Hüttenberg,
Kärnten (Carinthia), Austria.
Lombaardite: Allanite (Varietal name).
Lonsdaleite: C Class: Native Element, Subclass:
Non-Metals. Type Locality: Canyon Diablo meteorite, Meteor Crater, Coconino
Co., Arizona, USA.
Loparite-(Ce): (Ce,Na,Ca)2(Ti,Nb)2O6 (Perovskite) Class:
Oxide. Type Locality: Khibina tundra, Kola peninsula,
Russia, USSR.
Loudounite: NaCa5Zr4Si16O40(OH)11+8H2O. Type Locality: Goose Creek
Quarry, Loudoun Co., Virginia, USA.
Lucinite: Variscite (Varietal name).
Ludlamite: (Fe,Mg,Mn)3(PO4)2+4H2O Class:
Phosphate, Subclass: Hydrous Phosphate. Type Locality:
Wheal Jane, Truro, Cornwall, England.
Ludlockite: (Fe,Pb)As2O6. Type Locality: Tsumeb, Namibia.
Ludwigite: Mg2FeBO5 (Ludwigite) Class: Borate. Type Locality: Ocna
de Fier (Vaskö or Moravica), Banat, Romania.
Lusungite: Goyazite (Varietal name).
Luzonite: Cu3AsS4 (Stannite) Class: Sulfide.
Type Locality: Mancayan, Lepanto district, Luzon island, Philippines.
Click here to see the Mineral Galleries.
Macedonite: PbTiO3 Class: Oxide. Type Locality:
Crni Kamen, Prilep (near), Macedonia (Makedonija), Yugoslavia.
Magnesio-axinite: Ca2MgAl2BSi4O15(OH) (Axinite) Class:
Silicate, Subclass: Cyclosilicate.
Magnesioferrite: MgFe2O4 (Spinel) Class:
Oxide. Type Locality: Mt. Vesuvius, Napoli, Campania,
Italy.
Magnesite: MgCO3 (Calcite) Class:
Carbonate. Type Locality: Magnesia, Thessalia,
Greece and/or Baldissero Canavese, Piemonte, Italy.
Magnetite: Fe3O4 (Spinel) Class: Oxide. Type
Locality: Magnesia, Thessalia, Greece.
Magnocolumbite: (Mg,Fe,Mn)(Nb,Ta)2O6 Class:
Oxide. Type Locality: Kugi-Lyal, Pamir (SW), Russia,
USSR.
Malachite: Cu2(CO3)(OH)2 Class:
Carbonate.
Malayaite: CaSnSiO5.
Manganaxinite: Ca2MnAl2BSi4O15(OH) (Axinite) Class:
Silicate, Subclass: Cyclosilicate.
Manganite: MnO(OH) Class: Oxide, Subclass:
Hydroxide. Type Locality: Ilfeld, Harz, Germany.
Manganocalcite: Calcite containing Mn (Varietal name).
Manganochromite: (Mn,Fe)(Cr,V)2O4 (Spinel) Class:
Oxide.
Manganocolumbite: (Mn,Fe)(Nb,Ta)2O6 Class:
Oxide. Type Locality: New London, New London Co.,
Connecticut, USA.
Manganophyllite: Biotite containing up to 18% MnO (Varietal name).
Manganotantalite: MnTa2O6 Class: Oxide.
Mapimite: Zn2Fe3(AsO4)3(OH)4+10H2O Class: Arsenate. Type Locality:
Ojuela mine, Mapimi, Durango, Mexico.
Marcasite: FeS2 (Melanterite) Class:
Sulfide.
Margarite: CaAl2(Al2Si2)O10(OH)2 (Mica) Class:
Silicate, Subclass: Phyllosilicate. Type Locality:
Mt. Greiner, Sterzing, Tyrol, Austria.
Margarosanite: Pb(Ca,Mn)2Si3O9. Type Locality: Franklin, Sussex Co.,
New Jersey, USA.
Maricopaite: Pb7Ca2Al12Si36(O,OH)100+nH2O
(Zeolite) Class:
Silicate.
Mariposite: hengite containing Cr (Varietal name).
Marmatite: Sphalerite containing Fe and having black color (Varietal
name).
Martite: Hematite pseudomorph of magnetite (Varietal name).
Massicot: PbO Class: Oxide. Type Locality:
Mexico.
Matlockite: PbFCl Class: Chloride, Subclass: Oxychloride. Type Locality:
Cromford, Matlock (near), Derbyshire, England.
Mcgovernite: Mg4Mn9Zn2As2Si2O17(OH)14. Type Locality: Stirling Hill
mine, Ogdensburg, Sussex Co., New Jersey, USA.
Mcguinnessite: (Mg,Cu)2(CO3)(OH)2 (Rosasite) Class:
Carbonate. Type Locality: Red Mountain (locality
#2), Mendocino Co., California, USA.
Meerschaum: Massive sepiolite suitable for carving (Varietal name).
Meionite: Ca4(Si,Al)12O24CO3 (Scapolite) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Monte Somma, Mt. Vesuvius, Napoli, Campania, Italy.
Melaconite: Tenorite (Varietal name).
Melanite: Andradite containing Ti, black color (Varietal name).
Melanterite: FeSO4+7H2O (Melanterite) Class:
Sulfate.
Melilite: (Ca,Na)2(Al,Mg)(Si,Al)2O7 (Melilite) Class:
Silicate.
Meliphanite: (Ca,Na)2Be(Si,Al)2(O,OH,F)7 Class:
Silicate. Type Locality: Frediksvärn (near),
Norway.
Mellite: Al2[C6(COO)6]+18H2O Class: Oxalate. Type Locality: Arten,
Thüringen, Germany.
Mendipite: Pb3Cl2O2 Class: Chloride. Type Locality: Churchill, Mendip
Hills, Somerset, England.
Mercury: Hg Class: Native Element, Subclass:
Metals.
Mesolite: Na2Ca2Al6Si9O30+8H2O (Zeolite)
Class: Silicate, Subclass: Tektosilicate. Type
Locality: Iceland and Faröe Islands, Sweden.
Meta-autunite: Ca(UO2)2(PO4)2+2-6H2O (Meta-autunite) Class:
Phosphate, Subclass: Uranyl-Phosphate.
Meta-uranocircite: Ba(UO2)2(PO4)2+8H2O (Meta-autunite) Class:
Phosphate, Subclass: Uranyl-Phosphate.
Metacinnabar: HgS (Sphalerite) Class:
Sulfide. Type Locality: Reddington Mine, Lake Co.,
California, USA.
Metatorbernite: Cu(UO2)2(PO4)2+8H2O (Meta-autunite) Class:
Phosphate, Subclass: Uranyl-Phosphate. Type Locality:
Schneeberg, Sachsen (Saxony), Germany.
Mica: Group name.
Microcline: KAlSi3O8 (Feldspar) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Fredriksvärn, Norway.
Microlite: (Ca,Na)2Ta2O6(O,OH,F) (Pyrochlore) Class:
Oxide. Type Locality: Chesterfield, Hampshire Co.,
Massachusetts, USA.
Milarite: K2Ca4Al2Be4Si24O60+H2O (Osumilite) Class:
Silicate. Type Locality: Val Giuf, Tavetsch, Grischun
(Graubünden), Switzerland.
Millerite: NiS Class: Sulfide. Type Locality:
Jáchymov (St. Joachimsthal), Západocesky kraj, Cechy (Bohemia),
Czech Republic (Czechoslovakia).
Mimetite: Pb5(AsO4)3Cl (Apatite) Class: Arsenate, Subclass: Anhydrous
Arsenate.
Minehillite: (K,Na)2Ca28Zn5AL4Si40O112(OH)16. Type Locality: Franklin,
Sussex Co., New Jersey, USA.
Minium: Pb3O4 Class: Oxide. Type Locality:
Langenheck, Hesse-Kassel, Germany.
Minrecordite: CaZn(CO3)2 (Dolomite) Class:
Carbonate. Type Locality: Tsumeb, Namibia.
Miserite: KCa5Si8O22(OH)F. Type Locality: Wilson Mineral Springs,
Hot Springs Co., Arkansas, USA.
Mixite: BiCu6(AsO4)3(OH)6+3H2O (Mixite) Class: Arsenate. Type Locality:
Jáchymov (St. Joachimsthal), Západocesky kraj, Cechy (Bohemia),
Czech Republic (Czechoslovakia).
Mizzonite: Intermediate member of the scapolite group.
Moctezumite: Pb(UO2)(TeO3)2. Type Locality: Moctezuma Mine, Moctezuma,
Sonora, Mexico.
Molybdenite-2H: MoS2 Class: Sulfide. Type
Locality: Bispberg Fe mine, Säter, Dalarne (Kopparberg), Sweden.
Molybdenite-3R: MoS2 Class: Sulfide. Type
Locality: Con Mine, Yellowknife (S), Northwest Territories, Canada.
Molybdite: MoO3 Class: Oxide. Type Locality:
Krupka, Srredocesky kraj, Cechy (Bohemia), Czech Republic (Czechoslovakia).
Monazite: (Ce,La,Nd,Th)PO4 (Monazite) Class:
Phosphate, Subclass: Anhydrous Phosphate.
Monazite-(Ce): (Ce,La,Nd,Th)PO4 (Monazite) Class:
Phosphate. Type Locality: Zlatoust, Ilmen Mts.,
Russia, USSR.
Monazite-(La): (La,Ce,Nd)PO4 (Monazite) Class:
Phosphate.
Monazite-(Nd): (Nd,La,Ce)PO4 (Monazite) Class:
Phosphate. Type Locality: Pta. Glogstafel, Val
Formazza, Italy.
Montebrasite: LiAl(PO4)(OH,F) (Amblygonite) Class:
Phosphate, Subclass: Fluorine-Hydroxyl Phosphate.
Type Locality: Montebras, Soumans, Creuse, France.
Monteponite: CdO (Periclase) Class: Oxide.
Type Locality: Monteponi mine, Iglesias, Cagliari, Sardegna (Sardinia),
Italy.
Montgomeryite: Ca4MgAl4(PO4)6(OH)4+12H2O (Montgomeryite) Class:
Phosphate. Type Locality: Clay Canyon (near),
Fairfield, Utah Co., Utah, USA.
Montmorillonite: (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2+nH2O (Smectite) Class:
Silicate. Type Locality: Montmorillon, Vienne,
France.
Mordenite: (Ca,Na2,K2)Al2Si10O24+7H2O
(Zeolite) Class:
Silicate. Type Locality: Morden (E), Kings Co.,
Nova Scotia, Canada.
Morganite: Pink or peach colored variety of beryl, contains Cs (Varietal
name).
Morion: Smoky quartz (Varietal name).
Mottramite: PbCu(VO4)(OH) (Descloizite) Class:
Vanadate, Subclass: Hydroxyl Vanadate. Type Locality:
Mottram St. Andrew, Cheshire, England.
Murdochite: Pb2Cu12O15(Cl,Br)2. Type Locality: Mammoth mine, Tiger,
Pinal Co., Arizona, USA.
Muscovite: KAl2(Si3Al)O10(OH,F)2 (Mica) Class:
Silicate, Subclass: Phyllosilicate.
Click here to see the Mineral Galleries.
Nadorite: PbSbO2Cl Class: Phosphate. Type
Locality: Jebel Nador, Qacentina (Constantine), Algeria.
Narsarsukite: Na2(Ti,Fe)Si4(O,F)11.
Nasonite: Pb6Ca4Si6O21Cl2. Type Locality: Franklin Furnace, Sussex
Co., New Jersey, USA.
Natroapophyllite: NaCa4Si8O20F+8H2O Class:
Silicate, Subclass: Phyllosilicate.
Natrolite: Na2Al2Si3O10+2H2O (Zeolite) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Hohentweil, Högau (Hegau) dist., Württemberg, Germany.
Natromontebrasite: (Na,Li)Al(PO4)(OH,F) (Amblygonite) Class:
Phosphate, Subclass: Fluorine-Hydroxyl Phosphate.
Type Locality: Canyon City, Fremont Co., Colorado, USA.
Natron: Na2CO3+10H2O Class: Carbonate.
Type Locality: Egypt.
Nepheline: (Na,K)AlSiO4 Class: Silicate,
Subclass: Tektosilicate. Type Locality: Monte Somma, Mt. Vesuvius, Napoli,
Campania, Italy.
Nephrite: Gem variety of compact actinolite or tremolite (Varietal
name).
Neptunite: KNa2Li(Fe,Mn)2Ti2Si8O24 Class:
Silicate, Subclass: Inosilicate. Type Locality:
Narsarsuk, Greenland (S).
Niccolite: Nickeline (Varietal name).
Nickel: Ni Class: Native Element, Subclass:
Metals. Type Locality: Bogota, Canala, New Caledonia.
Nickel-skutterudite: NiAs2-3 (Skutterudite) Class: Arsenide. Type
Locality: Bullard's Peak dist., Grant Co., New Mexico, USA.
Nickeline: NiAs (Nickeline) Class: Arsenide.
Nissonite: Cu2Mg2(PO4)2(OH)2+5H2O Class:
Phosphate. Type Locality: Panoche Valley, Benito
Co., California, USA.
Niter: KNO3 Class: Nitrate.
Nontronite: Na0.3Fe2(Si,Al)4O10(OH)2+nH2O (Smectite) Class:
Silicate. Type Locality: Saint-Pardoux, Nontron,
Dordogne, France.
Norbergite: Mg3(SiO4)(F,OH)2 (Humite) Class:
Silicate, Subclass: Nesosilicate. Type Locality:
Norberg, Sweden.
Novacekite: Mg(UO2)2(AsO4)2+12H2O (Autunite) Class: Arsenate, Subclass:
Hydrous Arsenate. Type Locality: Schneeberg, Sachsen (Saxony), Germany.
Novaculite: Fine-grained, light colored cryptocrystalline siliceous
rock (Varietal name).
Click here to see the Mineral Galleries.
Octahedrite: Anatase (Varietal name).
Ogdensburgite: (Ca,Zn,Mn)4Fe6(AsO4)5(OH)11+5H2O. Type Locality: Sterling
Hill Mine, Ogdensburg, Sussex Co., New Jersey, USA.
Ojuelaite: ZnFe2(AsO4)2(OH)2+4H2O (Arthurite) Class: Arsenate. Type
Locality: Ojuela mine, Mapimi, Durango, Mexico.
Okenite: Ca5Si9O23+9H2O Class: Silicate.
Type Locality: Disko Island, Greenland (W).
Oligoclase:
Discredited. Type Locality: Danviken, Södermalm, Stockholm (SE),
Sweden.
Olivenite: Cu2AsO4(OH) Class: Arsenate, Subclass: Hydroxyl Arsenate.
Type Locality: Carharrack mine, Gwennap, Cornwall, England.
Olivine: Group name.
Omphacite: (Ca,Na)(Mg,Fe,Al)Si2O6 (Pyroxene) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Hof (near), Bayern (Bavaria), Germany.
Opal: SiO2+nH2O Class: Silicate, Subclass:
Tektosilicate.
Orpiment: As2S3 Class: Sulfide.
Orthite: Allanite (Varietal name).
Orthoclase: KAlSi3O8 (Feldspar) Class:
Silicate, Subclass: Tektosilicate.
Orthoferrosilite: Ferrosilite (Varietal name).
Osmium: (Os,Ir) Class: Native Element. Type
Locality: Borneo.
Otavite: CdCO3 (Calcite) Class: Carbonate.
Type Locality: Tsumeb, Otavi, Namibia.
Overite: CaMgAl(PO4)2(OH)+4H2OPb10-2xAg3+xSb11+xS28 Class:
Phosphate. Type Locality: Clay Canyon (near),
Fairfield, Utah Co., Utah, USA.
Owyheeite: Pb10-2xAg3+xSb11+xS28. Type Locality: Poorman Mine, Silver
City Dist., Owyhee Co., Idaho, USA.
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Palladium: Pd Class: Native Element, Subclass:
Metals. Type Locality: Brazil.
Palygorskite: (Mg,Al)2Si4O10(OH)+4H2O. Type Locality: Palygorsk, Perm
mining district, Ural Mts., Russia, USSR.
Panasqueiraite: CaMg(PO4)(OH,F) Class:
Phosphate. Type Locality: Panasqueira mine,
Panasqueira, Beira Baixa, Portugal.
Papagoite: CaCuAlSi2O6(OH)3. Type Locality: New Cornelia mine, Ajo,
Pima Co., Arizona, USA.
Paramelaconite: Cu4O3 Class: Oxide. Type
Locality: Copper Queen Mine, Bisbee, Cochise Co., Arizona, USA.
Pararealgar: AsS Class: Sulfide. Type Locality:
Mount Washington copper deposit, Vancouver Island, British Columbia,
Canada.
Paraveatchite: p-Veatchite (Varietal name).
Parawollastonite: Wollastonite-2M (Varietal name).
Pargasite: NaCa2(Mg,Fe)4Al(Si6Al2)O22(OH)2 (Amphibole) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Pargas valley, Finland.
Parisite-(Ce): Ca(Ce,La)2(CO3)3F2 Class:
Carbonate. Type Locality: Muso dist., Bogotá,
Colombia.
Parisite-(Nd): Ca(Nd,Ce,La)2(CO3)3F2 Class:
Carbonate. Type Locality: Bayan Obo, Inner Mongolia,
China (N).
Pecoraite: Ni3Si2O5(OH)4 (Kaolinite-serpentine) Class:
Silicate.
Pectolite: NaCa2Si3O8(OH) Class: Silicate,
Subclass: Inosilicate. Type Locality: Montemaldo, Tyrol (S), Italy.
Pectolite-M2abc: NaCa2Si3O8(OH) Class:
Silicate. Type Locality: Rauschermühle,
Germany.
Penfieldite: Pb2Cl3(OH) Class: Halide. Type Locality: Lávrion
(Laurium), Attikí, Greece.
Pentlandite: (Fe,Ni)9S8 (Pentlandite) Class:
Sulfide. Type Locality: Craignure, Inverary,
Argyllshire, Scotland.
Perhamite: Ca3Al7(SiO4)3(PO4)3(OH)3+16.5H2O. Type Locality: Bell Pit,
Newry, Oxford Co., Maine, USA.
Periclase: MgO (Periclase) Class: Oxide.
Type Locality: Monte Somma, Mt. Vesuvius, Napoli, Campania, Italy.
Peridot: Gem variety of olivene (especially forsterite) (Varietal
name).
Perovskite: CaTiO3 (Perovskite) Class:
Oxide.
Petalite: LiAlSi4O10 Class: Silicate. Type
Locality: Utö, Sweden.
Petersite-(Y): (Y,Ce,Nd,Ca)Cu6(PO4)3(OH)6+3H2O (Mixite) Class:
Phosphate. Type Locality: Laurel Hill, Secaucus,
Hudson Co., New Jersey, USA.
Pharmacolite: CaHAsO4+2H2O Class: Arsenate. Type Locality: Wittichen,
Schwarzwald, Germany.
Pharmacosiderite: KFe4(AsO4)3(OH)4+6-7H2O Class: Arsenate. Type Locality:
Carharrack mine and Tincroft mine, Cornwall, England.
Phenakite: Be2SiO4 Class: Silicate, Subclass:
Nesosilicate. Type Locality: Takovaya, Ekaterinburg (Sverdlovsk), Ural Mts.,
Russia, USSR.
Philipsbornite: PbAl3(AsO4)2(OH)5+H2O (Crandallite) Class: Arsenate.
Type Locality: Dundas, Tasmania, Australia.
Phillipsite: (K,Na,Ca)1-2(Si,Al)8O16+6H2O
(Zeolite) Class:
Silicate. Type Locality: Near Aci Castello and
Acireale, Catania prov., Sicilia (Sicily), Italy.
Phlogopite: KMg3Si3AlO10(F,OH)2 (Mica) Class:
Silicate, Subclass: Phyllosilicate. Type Locality:
Antwerp, Jefferson Co., New York, USA.
Phosgenite: Pb2(CO3)Cl2 Class: Carbonate.
Type Locality: Cromford (near), Derbyshire, England.
Phosphoferrite: (Fe,Mn)3(PO4)2+3H2O Class:
Phosphate. Type Locality: Hagendorf pegmatite,
Oberpfalz, Bayern (Bavaria), Germany.
Phosphophyllite: Zn2(Fe,Mn)(PO4)2+4H2O Class:
Phosphate, Subclass: Hydrated Phosphate. Type Locality:
Hagendorf pegmatite, Oberpfalz, Bayern (Bavaria), Germany.
Phosphosiderite: FePO4+2H2O Class:
Phosphate. Type Locality: Kalterborn mine, Eiserfeld
(near), Siegen, Germany.
Pickeringite: MgAl2(SO4)4+22H2O (Halotrichite) Class:
Sulfate. Type Locality: Cerro Pintados, Iquique,
Tarapacá, Chile (N).
Piemontite: Ca2(Al,Mn,Fe)3(SiO4)3(OH) (Epidote) Class:
Silicate, Subclass: Sorosilicate. Type Locality:
Prabnora mine, St. Marcel, Val d'Aosta, Piemonte, Italy.
Pinchite: Hg5O4Cl2. Type Locality: Terlingua, Brewster Co., Texas,
USA.
Plagioclase: (Na,Ca)(Si,Al)Si3O8 (Feldspar) Class:
Silicate, Subclass: Tektosilicate.
Planchéite: Cu8Si8O22(OH)4+H2O. Type Locality: Mindouli,
Zaïre.
Planerite: Al6(PO4)2(PO3OH)2(OH)8+4H2O (Turquoise) Class:
Phosphate, Subclass: Hydrous Hydroxyl Phosphate.
Type Locality: Gumeshevsk, Ural Mts., Russia, USSR.
Platinum: Pt Class: Native Element, Subclass:
Metals.
Plattnerite: PbO2 (Rutile) Class: Oxide.
Type Locality: Leadhills, Lanarkshire, Scotland.
Pleonaste: Ferroan spinel (Varietal name).
Plumbago: Graphite (Varietal name).
Plumbogummite: PbAl3(PO4)2(OH)5+H2O (Crandallite) Class:
Phosphate.
Plumosite: Boulangerite or Jamesonite (Varietal name). Type Locality:
Wolfsberg, Harz, Germany.
Plumosite: Boulangerite or Jamesonite (Varietal name).
Pollucite: (Cs,Na)2Al2Si4O12+H2O (Zeolite)
Class: Silicate. Type Locality: Elba, Toscana,
Italy.
Polybasite: (Ag,Cu)16Sb2S11 Class:
Sulfosalt. Type Locality: Guarisamey, Durango,
Mexico.
Polycrase-(Y): (Y,Ca,Ce,U,Th)(Ti,Nb,Ta)2O6 Class:
Oxide. Type Locality: Rasvåg, Hiterö
(island), Flekkefjord (near), Norway.
Polydymite: Ni3S4 (Linnaeite) Class:
Sulfide. Type Locality: Grünau, Sayn-Altenkirchen,
Nordrhein-Westfalen, Germany.
Polylithionite: KLi2AlSi4O10(F,OH)2 (Mica) Class:
Silicate, Subclass: Phyllosilicate. Type Locality:
Kangerdluarsuk, Ilímaussaq intrusive, Greenland (S).
Potassium feldspar: Microcline, Orthoclase or Sanidine (Varietal
name).
Poughite: Fe2(TeO3)2(SO4)+3H2O. Type Locality: Moctezuma Mine, Moctezuma,
Sonora, Mexico ; El Plomo Mine, Ojonjona Dist., Tegucigalpa, Honduras.
Powellite: CaMoO4 Class: Molybdate. Type Locality: Peacock lode, Seven
Devils dist., Adams Co., Utah, USA.
Prehnite: Ca2Al2Si3O10(OH)2 Class:
Silicate. Type Locality: Cape of Good Hope, South
Africa.
Proustite: Ag3AsS3 Class: Sulfosalt.
Pseudoboléite: Pb31Cu24Cl62(OH)48 Class: Halide. Type Locality:
Boléo, Santa Rosalia (near), Baja California, Mexico.
Pseudobrookite: Fe2(Fe,Ti)O5 Class: Oxide.
Type Locality: Magura Uroiu, (Aranyi-hegy or Aranyer Berg), Uroiu (Arany),
Transylvania, Romania.
Pseudomalachite: Cu5(PO4)2(OH)4.H2O Class:
Phosphate.
Pseudomesolite: Mesolite (Varietal name).
Psilomelane: Romanechite or general term for unknown Mn-oxides (Varietal
name).
Ptilolite: Mordenite (Varietal name).
Pumpellyite-(Fe2+): Ca2FeAl2(SiO4)(Si2O7)(OH)2+H2O (Pumpellyite) Class:
Silicate. Type Locality: Långban mine, Filipstad
(near), Värmland, Sweden.
Pumpellyite-(Fe3+): Ca2FeAl2(SiO4)(Si2O7)(OH)2+H2O (Pumpellyite) Class:
Silicate. Type Locality: Långban mine, Filipstad
(near), Värmland, Sweden.
Pumpellyite-(Mg): Ca2MgAl2(SiO4)(Si2O7)(OH)2+H2O (Pumpellyite) Class:
Silicate. Type Locality: Keweenawan copper deposits,
Lake Superior region, Michigan, USA.
Pumpellyite-(Mn2+): Ca2MnAl2(SiO4)(Si2O7)(OH)2+H2O (Pumpellyite) Class:
Silicate. Type Locality: Ochiai mine, Yamanashi,
Japan.
Purpurite: (Mn,Fe)PO4 Class: Phosphate,
Subclass: Anhydrous Phosphate. Type Locality: Faires tin mine, Kings Mt.,
Gaston Co., North Carolina, USA; Pala, San Diego Co., California, USA.
Pyrargyrite: Ag3SbS3 Class: Sulphantimonite.
Pyrite: FeS2 (Pyrite) Class: Sulfide.
Pyrochlore: (Ca,Na)2Nb2O6(OH,F) (Pyrochlore) Class:
Oxide. Type Locality: Fredriksvärn, Norway.
Pyrolusite: MnO2 (Rutile) Class: Oxide.
Pyromorphite: Pb5(PO4)3Cl (Apatite) Class:
Phosphate, Subclass: Anhydrous Phosphate.
Pyrope: Mg3Al2(SiO4)3 (Garnet) Class:
Silicate, Subclass: Nesosilicate. Type Locality:
Czech Republic, Czechoslovakia.
Pyrophyllite-2M1: Al2Si4O10(OH)2 (Kaolinite-serpentine) Class:
Silicate, Subclass: Pyllosilicate. Type Locality:
Pyschminsk and Berezov, Ural Mts., Russia, USSR.
Pyroxene: Group name.
Pyrrhotite: Fe1-xS Class: Sulfide.
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Quartz: SiO2 Class: Silicate, Subclass:
Tektosilicate.
Rammelsbergite: NiAs2 (Lollingite) Class: Arsenide. Type Locality:
Schneeberg, Sachsen (Saxony), Germany.
Ramsdellite: MnO2. Type Locality: Lake Valley, Sierra Co., New
Mexico.
Realgar: AsS Class: Sulfide.
Realgar (high): AsS Class: Sulfide. Type
Locality: Alacrán mine, Pampa Larga dist., Copiapó (Near),
Atacama, Chile.
Rhabdophane-(Ce): (Ce,La)PO4+H2O (Rhabdophane) Class:
Phosphate, Subclass: Hydrated Phosphate. Type Locality:
Fowey Consols mine, Cornwall, England.
Rhabdophane-(La): (La,Ce)PO4+H2O (Rhabdophane) Class:
Phosphate, Subclass: Hydrated Phosphate. Type Locality:
Undisclosed Locality, Russia(?), USSR.
Rhabdophane-(Nd): (Nd,Ce,La)PO4+H2O (Rhabdophane) Class:
Sulfide, Subclass: Hydrated Phosphate. Type Locality:
Salisbury, Litchfield Co., Connecticut, USA.
Rhenium: Re Class: Native Element. Type Locality:
Zabaikal'ye region (Transbaikal), Russia, USSR.
Rhodesite: HKCa2Si8O19+5H2O Class:
Silicate. Type Locality: Bultfontein Mine, Kimberley,
South Africa.
Rhodium: (Rh,Pt) Class: Native Element. Type
Locality: Stillwater Complex, Montana, USA.
Rhodizite: (Cs,K)Al4Be4(B,Be)12O28 Class: Borate. Type Locality: Sarapulsk
and Shaitansk, Mursinsk (near), Ekaterinburg, (Sverdlovsk), Ural Mts., Russia,
USSR*.
Rhodochrosite: MnCO3 (Calcite) Class:
Carbonate. Type Locality: Cavnic (Kapnikbánya
or Siebenbürgen), Transylvania, Romania.
Rhodonite: (Mn,Fe,Mg,Ca)SiO3 Class:
Silicate, Subclass: Inosilicate.
Richelsdorfite: Ca2Cu5Sb(AsO4)4Cl(OH)6+6H2O. Type Locality: Bauhaus
Mine, Richelsdorf (near), Hessen, Germany.
Richterite: Na2Ca(Mg,Fe)5Si8O22(OH)2 (Amphibole) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Långban and Pajsberg, Värmland, Sweden.
Riebeckite: Na2(Fe,Mg)3Fe2Si8O22(OH)2 (Amphibole) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Socotra island, Indian Ocean (Yemen).
Robertsite: Ca3Mn4(PO4)4(OH)6+3H2O. Type Locality: Tip Top Pegmatite,
Custer, Custer Co., South Dakota, USA.
Rockbridgeite: (Fe,Mn)5(PO4)3(OH)5 Class:
Phosphate. Type Locality: South Mountain (near),
Midvale, Rockbridge Co., Virginia, USA.
Roeblingite: Pb2Ca6Mn(Si6O18)(SO4)2(OH)2+4H2O. Type Locality: Franklin
Furnace, Sussex Co., New Jersey, USA.
Romanèchite: (Ba,H2O)2Mn5O10 Class:
Oxides. Type Locality: Romanèche-Thorins,
Mâcon (near), Saône et Loire, France.
Romarchite: SnO. Type Locality: Boundary Falls, Winnipeg River, Kenora
dist., Ontario, Canada.
Röntgenite-(Ce): Ca2(Ce,La)3(CO3)5Fe3. Type Locality: Narsarsuk,
Greenland (S).
Rosasite: (Cu,Zn)2(CO3)(OH)2 (Rosasite) Class:
Carbonate. Type Locality: Rosas mine, Narcao,
Cagliari, Sardegna (Sardinia), Italy.
Rosiaite: PbSb2O6. Type Locality: Tafone mine, Grosseto, Tuscany,
Italy.
Rossite: CaV2O6+4H2O Class: Vanadium Oxysalt. Type Locality: Wm. O'Neill's
Claim, Bull Pen Canyon, San Miguel Co., Colorado, USA.
Rossmanite : Discredited.
Rubellite: Pink to red variety of elbaite (Varietal name).
Ruby: Red variety of corundum (Varietal name).
Rutile: TiO2 Class: Oxide. Type Locality:
Cajuelo, Burgos, Spain.
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Safflorite: CoAs2 (Lollingite) Class: Arsenide. Type Locality: Nordmark,
Vårmland, Sweden.
Sahlite+A776: Salite, a variety of Diopside (Varietal name).
Salite: Diopside (Varietal name).
Saltpeter: Niter (Varietal name).
Samarskite-(Y): (Y,Ce,U,Fe)3(Nb,Ta,Ti)5O16 Class:
Oxide. Type Locality: Miass, Zlatoust reg., Ilmen
Mts., Russia, USSR.
Samuelsonite: (Ca,Ba)Ca8(Fe,Mn)4Al2(PO4)10(OH)2. Type Locality: Palermo
#1 Mine, North Groton, Grafton Co., New Hampshire, USA.
Sanbornite: BaSi2O5. Type Locality: Trumbull Peak, Incline (near),
Mariposa Co., California, USA.
Sanidine: (K,Na)(Si,Al)4O8 (Feldspar) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Drachenfels, Eifel, Rheinland, Germany.
Saponite: (Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2+4H2O (Smectite) Class:
Silicate.
Sapphire: Gem corundum, all colors other than red (Varietal name).
Sarcopside: (Fe,Mn,Mg)3(PO4)2 Class:
Phosphate.
Scapolite: Group name.
Scheelite: CaWO4 Class: Tungstate. Type Locality: Bispberg Fe mine,
Säter, Dalarne (Kopparberg), Sweden.
Schorl: NaFe3Al6(BO3)3Si6O18(OH)4 (Tourmaline) Class:
Silicate, Subclass: Cyclosilicate.
Schröckingerite: NaCa3(UO2)(CO3)3(SO4)F+10H2O Class:
Carbonate. Type Locality: Jáchymov (St.
Joachimsthal), Západocesky kraj, Cechy (Bohemia), Czech Republic
(Czechoslovakia).
Scolecite: CaAl2Si3O10+3H2O (Zeolite) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Berufjord, Iceland.
Scorodite: FeAsO4+2H2O (Variscite) Class:
Phosphate, Subclass: Hydrated Phosphate.
Scorzalite: (Fe,Mg)Al2(PO4)2(OH)2 (Lazulite) Class: Anhydrous Phosphate,
Subclass: Hydroxyl Phosphate. Type Locality: Corrego Frio pegmatite, Minas
Gerais, Brazil.
Selenite: Colorless transparent gypsum (Varietal name).
Selenium: Se Class: Native Element, Subclass:
Semi-Metals.
Semseyite: Pb9Sb8S21 Class: Sulpharsenate. Type Locality: Baia Sprie,
Maramures, Romania.
Senarmontite: Sb2O3 Class: Oxide.
Sepiolite: Mg4Si6O15(OH)2+6H2O Class:
Silicate.
Serandite: Na(Mn,Ca)2Si3O8(OH) Class:
Silicate. Type Locality: Roma Island, Los Islands,
Guinea.
Sericite: Fine grained muscovite, illite or paragonite (Varietal
name).
Serpentine: Group name (Kaolinite-serpentine) Class:
Silicate, Subclass: Phyllosilicate.
Serpierite: Ca(Cu,Zn)4(SO4)2(OH)6+3H2O Class:
Sulfate. Type Locality: Lávrion (Laurium),
Attikí, Greece*.
Shattuckite: Cu5(SiO3)4(OH)2. Type Locality: Shattuck Mine, Bisbee,
Cochise Co., Arizona, USA.
Sicklerite: Li(Mn,Fe)PO4 Class: Phosphate.
Type Locality: Naylor-Vanderburg Mine, Pala (near), San Diego Co., California,
USA*.
Siderite: FeCO3 (Calcite) Class:
Carbonate.
Siegenite: (Ni,Co)3S4 (Linnaeite) Class:
Sulfide.
Silicon: Si Class: Native Element, Subclass:
Semi-Metals. Type Locality: Kimberlitic rock, Russia, USSR.
Sillimanite: Al2SiO5 Class: Silicate, Subclass:
Nesosilicate. Type Locality: Vltava, Susice, Czech Republic,
Czechoslovakia.
Silver-2H: Ag Class: Native Element, Subclass:
Metals. Type Locality: Unspecified locality, Russia (NE), USSR.
Silver-3C: Ag Class: Native Element, Subclass:
Metals.
Silver-4H: Ag Class: Native Element, Subclass:
Metals. Type Locality: Unspecified locality, Russia (NE), USSR.
Sinhalite: MgAlBO4. Type Locality: Sri Lanka.
Sinkankasite: H2MnAl(PO4)2(OH)+6H2O.
Sklodowskite: (H3O)2Mg(UO2)2(SiO4)2+2H2O. Type Locality: Kasolo
(Shinkolobwe), Shaba, Zaïre.
Skutterudite: CoAs3 (Skutterudite) Class: Arsenide. Type Locality:
Skutterud, Modum, Norway.
Smectite: Group name.
Smithsonite: ZnCO3 (Calcite) Class:
Carbonate. Type Locality: Mendip Hills and Derbyshire,
England.
Soda-niter: Nitratite (Varietal name).
Sodalite: Na8Al6Si6O24Cl2 (Sodalite) Class:
Silicate, Subclass: Tektosilicate. Type Locality:
Kangerdluarsuk, Ilímaussaq intrusive, Greenland (S).
Spangolite: Cu6Al(SO4)(OH)12Cl+3H2O Class:
Sulfate. Type Locality: Globe dist., Tombstone (near),
Cochise Co., Arizona, USA.
Species: Group. Type Locality: Type Locality.
Specularite: Micaceous or flaky hematite (Varietal name).
Sperrylite: PtAs2 (Pyrite) Class: Arsenide. Type Locality: Vermilion
mine, Denison twp., Sudbury Dist., Ontario, Canada.
Spessartine: Mn3Al2(SiO4)3 (Garnet) Class:
Silicate, Subclass: Nesosilicate. Type Locality:
Aschaffenburg, Spessart (near), Germany.
Spessartite: Spessartine (Varietal name).
Sphaerocobaltite: CoCO3 (Calcite) Class:
Carbonate. Type Locality: Danile mine,
Neustädtel, Freiberg, Sachsen (Saxony), Germany.
Sphaerosiderite: Siderite in spheroidal forms (Varietal name).
Sphalerite: (Zn,Fe)S (Sphalerite) Class:
Sulfide.
Sphene: Titanite (Varietal name).
Spinel: MgAl2O4 (Spinel) Class: Oxide.
Spodumene: LiAlSi2O6 (Pyroxene) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Utö, Södermanland, Sweden.
Squawcreekite: FeSbO4. Type Locality: Squaw Creek tin prospect, Catron
Co., New Mexico, USA.
Stannite: Cu2FeSnS4 (Stannite) Class:
Sulfide. Type Locality: Wheal Rock, St. Agnes,
Cornwall, England.
Staringite: Discredited (Varietal name).
Staurolite: (Fe,Mg,Zn)2Al9(Si,Al)4O22(OH)2 Class:
Silicate, Subclass: Nesosilicate.
Steatite: Compact, dense rock form of talc (Varietal name).
Stellerite: CaAl2Si7O18+7H2O (Zeolite) Class:
Silicate. Type Locality: Komandor Islands, Bering
Sea.
Stephanite: Ag5SbS4 Class: Sulfosalt. Type
Locality: Freiberg, Sachsen (Saxony), Germany.
Sterlinghillite: Mn3(AsO4)2+4H2O. Type Locality: Sterling Hill Mine,
Ogdensburg, Sussex Co., New Jersey, USA.
Stevensite: Mg3Si4O10(OH)2 (Smectite) Class:
Silicate. Type Locality: Bergen Hill, New Jersey,
USA.
Stibarsen: SbAs (Arsenic). Class: Native
Element. Type Locality: Varuträsk pegmatite, Boliden mines (SE),
Skellefteå (near), Västerbotten, Sweden.
Stibiconite: Sb3O6(OH) (Stibiconite) Class:
Oxide, Subclass: Hydroxide. Type Locality: Goldkronach,
Bayern (Bavaria), Germany.
Stibiocolumbite: SbNbO4 Class: Oxide.
Stibiopearcite: Antimonpearceite (Varietal name).
Stibiotantalite: SbTaO4 Class: Oxide. Type
Locality: Greenbushes, Western Australia, Australia.
Stibnite: Sb2S3 Class: Sulfide.
Stilbite: NaCa2Al5Si13O36+14H2O (Zeolite)
Class: Silicate, Subclass: Tektosilicate.
Stilpnomelane: K(Fe,Al)10Si12O30(OH)13. Type Locality: Obergrund,
Zuckmantel (near), Silesia, Poland.
Stishovite: SiO2 (Rutile) Class: Oxide. Type
Locality: Coconino sandstone, Meteor Crater, Coconino Co., Arizona, USA.
Stolzite: PbWO4 Class: Tungstate. Type Locality: Cínovec
(Zinnwald), Krusné Hory (Erzgebirge), Cechy (Bohemia), Czech Republic
(Czechoslovakia)*.
Strengite: FePO4+2H2O (Variscite) Class:
Phosphate, Subclass: Hydrated Phosphate. Type Locality:
Eleonore mine, Giessen (near), Hessen, Germany.
Stromeyerite: AgCuS Class: Sulfide. Type
Locality: Zmeinogorsk mine, Kolyvan (near), Siberia, Russia, USSR*.
Strontianite: SrCO3 (Aragonite) Class:
Carbonate. Type Locality: Strontian, Argyllshire,
Scotland.
Strunzite: MnFe2(PO4)2(OH)2+8H2O. Type Locality: Hagendorf pegmatite,
Oberpfalz, Bayern (Bavaria), Germany.
Struverite, strüverite, strueverite: (Ti,Ta,Fe)3O6.
Struvite: (NH4)MgPO4+6H2O Class: Phosphate,
Subclass: Hydrated Phosphate. Type Locality: Hamburg, Germany*.
Stutzite, stützite, stuetzite: Ag5-xTe3. Type Locality:
Sacarîmb (Nagyág), Transylvania, Romania.
Sugilite: KNa2(Fe,Mn,Al)2Li3Si12O30 (Osumilite) Class:
Silicate. Type Locality: Iwagi Islet, Ochi Gun,
Ehime Pref., Japan.
Sulfur (Sulphur): S Class: Native Element,
Subclass: Non-Metals.
Sussexite: MnBO2(OH). Type Locality: Franklin Hill Mine, Sussex Co.,
New Jersey, USA.
Sylvanite: (Au,Ag)2Te4. Type Locality: Baia de Aries (Aranyosbánya)
and Sacarîmb (Nagyág), Transylvania, Romania.
Sylvite: KCl Class: Halide. Type Locality: Mt. Vesuvius, Napoli, Campania,
Italy.
Szenicsite: Cu3(MoO4)(OH)4. Type Locality: Tierra Amarillo, Copiapo
(near), Atacama, Chile.
Taaffeite: Mg3Al8BeO16. Type Locality: Unknown locality, Sri Lanka
(?).
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Talc: Mg3Si4O10(OH)2 Class: Silicate, Subclass:
Pyllosilicate.
Tantalowodginite: Discredited (Varietal name).
Taramellite: Ba4(Fe,Ti,Mg)4(B2Si8O27)O2Clx.
Tarbuttite: Zn2(PO4)(OH) Class: Phosphate.
Type Locality: Kabwe (Broken Hill), Central province, Zambia.
Tellurite: TeO2 Class: Oxide. Type Locality:
Fata Baii (Facebáj or Facebánya) Zlatna (near) Transylvania,
Romania*.
Tellurium: Te Class: Native Element, Subclass:
Semi-Metals. Type Locality: Fata Baii (Faczebáj or Facebánya),
Zlatna (near), Transylvania, Romania.
Tennantite: (Cu,Fe)12As4S13 (Tetrahedrite) Class:
Sulfosalt. Type Locality: Redruth/ St. Day area,
Cornwall, England.
Tenorite: CuO Class: Oxide. Type Locality:
Mt. Vesuvius, Napoli, Campania, Italy.
Terlinguaite: Hg2ClO Class: Halide. Type Locality: Terlingua, Brewster
Co., Texas, USA*.
Tetradymite: Bi2Te2S (Tetradymite) Class: Telluride. Type Locality:
Zupkov (Schubkau, Zsubkó), Slovakia.
Tetrahedrite: (Cu,Fe)12Sb4S13 (Tetrahedrite) Class:
Sulfosalt.
Tetranatrolite: Na2Al2Si3O10+2H2O (Zeolite)
Class: Silicate. Type Locality: Ilímaussaq
intrusive, Greenland and Mont Saint-Hilaire, Rouville Co., Québec,
Canada.
Thaumasite: Ca3Si(CO3)(SO4)(OH)6+12H2O (Ettringite) Class:
Sulfate. Type Locality: Bjelke mine, Åreskuta,
Jämtland, Sweden.
Thenardite: Na2SO4 Class: Sulfate. Type Locality:
Espartinas salt lake, Aranjuez, Madrid, Spain*.
Thomsonite: NaCa2Al5Si5O20+6H2O (Zeolite)
Class: Silicate, Subclass: Tektosilicate. Type
Locality: Old Kilpatrick, Dumbartonshire, Scotland.
Thorianite: ThO2 Class: Oxide. Type Locality:
Balangoda, Sabaragamuwa prov., Sri Lanka*.
Thorite: (Th,U)SiO4. Type Locality: Lövö Island, Brevik
(near), Langesundfjord, Norway.
Thornasite: (Na,K)ThSi11(O,H2O,F,Cl)33. Type Locality: De Mix quarry,
Mont Saint-Hilaire, Rouville Co., Québec, Canada.
Thorogummite: (Th,U)(SiO4)1(OH)4. Type Locality: Bluffton, Llano Co.,
Texas, USA.
Thulite: Pink variety of zoisite (Varietal name).
Tincalconite: Na2B4O5(OH)4+3H2O Class: Borate, Subclass: Hydrated
Borate. Type Locality: Searles Lake, San Bernardino Co., California, USA.
Tinticite: Fe6P4O19 Class: Phosphate. Type
Locality: Tintic Standard Mine, Tintic mining dist., Utah, USA*.
Tirodite: Mn2(Mg,Fe)5Si8O22(OH)2 (Amphibole) Class:
Silicate, Subclass: Inosilicate.
Titanite: CaTiSiO5 Class: Silicate. Type
Locality: Passau, Bayern, Germany(?).
Tivanite: VTiO3(OH). Type Locality: Kalgoorlie, Western Australia,
Australia.
Topaz: Al2SiO4(F,OH)2 Class: Silicate,
Subclass: Nesosilicate.
Topazolite: Yellowish green to yellowish, transparent variety of andradite
(Varietal name).
Torbernite: Cu(UO2)2(PO4)2+8-12H2O Class:
Phosphate, Subclass: Hydrous Phosphate. Type Locality:
Jáchymov (St. Joachimsthal), Západocesky kraj, Cechy (Bohemia),
Czech Republic (Czechoslovakia).
Tourmaline: Group name.
Tremolite: Ca2(Mg,Fe)5Si8O22(OH)2 (Amphibole) Class:
Silicate, Subclass: Inosilicate. Type Locality:
Tremola Valley, St. Gotthard, Switzerland.
Trevorite: NiFe2O4 (Spinel) Class: Oxide.
Type Locality: Barberton, Transvaal, South Africa.
Trichalcite: Tyrolite (Varietal name).
Tridymite: SiO2 Class: Silicate, Subclass:
Tektosilicate. Type Locality: Cerro San Cristóbal, Pachuca, Mexico.
Trilithionite: KL1.5Al1.5AlSi3O10F2 (Mica) Class:
Silicate, Subclass: Phyllosilicate.
Triphane: Spodumene (Varietal name).
Triphylite: LiFePO4 Class: Phosphate, Subclass:
Anhydrous Phosphate. Type Locality: Hühnerkobel, Rabenstein (near),
Bayern (Bavaria), Germany.
Triplite: (Mn,Fe,Mg,Ca)2(PO4)(F,OH) Class:
Phosphate. Type Locality: Chanteloube, Limoges,
Haute-Vienne, France*.
Trona: Na3(CO3)(HCO3)+2H2O Class:
Carbonate.
Troostite: Manganoan willemite (Varietal name).
Tsumebite: Pb2Cu(PO4)(SO4)(OH) (Brackebuschite) Class:
Phosphate-Arsenate. Type Locality: Tsumeb, Otavi,
Namibia.
Tugtupite: Na4AlBeSi4O12Cl. Type Locality: Tugtup agtakorfia,
Ilímaussaq intrusion, Greenland (S).
Tungstenite: WS2 Class: Sulfide. Type Locality:
Emma Mine, Little Cottonwood district, Salt Lake County, Utah, USA*.
Tungstite: WO3+H2O Class: Oxide. Type Locality:
Lanes' Mine, Monroe, Fairfield Co., Connecticut, USA.
Turneaureite: Ca5[(As,P)O4]3Cl (Apatite) Class:
Phosphate-Arsenate, Subclass: Anhydrous
Phosphate-Arsenate. Type Locality: Långban Mine, Filipstad (near),
Värmland, Sweden ; Balmat, St. Lawrence Co., New York, USA ; Franklin,
Sussex Co., New Jersey, USA.
Turquoise: CuAl6(PO4)4(OH)8+4H2O (Turquoise) Class:
Phosphate, Subclass: Hydrous Hydroxyl Phosphate.
Tyrolite: CaCu5(AsO4)2(CO3)(OH)4+6H2O. Type Locality: Galkenstein
or Schwatz, Tyrol, Austria.
Tyrrellite: (Cu,Co,Ni)3Se4 (Linnaeite) Class:
Sulfide. Type Locality: Beaver Lodge Lake, Goldfields
district, Saskatchewan, Canada.
Tyuyamunite: Ca(UO2)2V2O8+5-8H2O. Type Locality: Tyuya Muyun, Fergana,
Uzbekistan, USSR.
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Ulexite: NaCaB5O6(OH)6+5H2O Class: Borate, Subclass: Hydrated Borate.
Type Locality: Iquique, Tarapacá, Chile.
Ullmannite: NiSbS (Cobaltite) Class:
Sulfide. Type Locality: Freusburg, Siegen (Near),
Nordrhein-Westfalen, Germany.
Ulrichite: CaCu(UO2)(PO4)2+4H2O Class:
Phosphate. Type Locality: Lake Boga, Victoria,
Australia.
Uralite: Amphibole (actinolite) pseudomorph of a pyroxene (Varietal
name). Type Locality: Ural Mts., Russia, USSR.
Uraninite: UO2 Class: Oxide. Type Locality:
Jáchymov (St. Joachimsthal), Západocesky kraj, Cechy (Bohemia),
Czech Republic (Czechoslovakia).
Uranmicrolite: (U,Ca,Ce)2(Ta,Nb)2O6(OH,F). Type Locality: Posse farm,
Conçeicao Co., Minas Gerais, Brazil and/or Mitchell Co. mica mines,
North Carolina, USA.
Uranocircite: Ba(UO2)2(PO4)2+12H2O (Autunite) Class:
Phosphate, Subclass: Hydrous Phosphate. Type Locality:
Bergen, Falkenstein (near), Vogtland, Sachsen (Saxony), Germany.
Uranocircite I: Ba(UO2)2(PO4)2+12H2O. Type Locality: Menzenschwand,
Schwarzwald (S), Germany.
Uranophane: Ca(UO2)2SiO3(OH)2+5H2O. Type Locality: Miedzianka
(Kupferberg), Silesia, Poland.
Urea: CO(NH2)2. Type Locality: Toppin Hill, Western Australia,
Australia.
Uvarovite: Ca3Cr2(SiO4)3 (Garnet) Class:
Silicate, Subclass: Nesosilicate. Type Locality:
Bissersk, Saransk (Near), Mordovskaya, Russia, USSR.
Uvite: (Ca,Na)(Mg,Fe)3Al5Mg(BO3)3Si6O18(OH,F)4 (Tourmaline) Class:
Silicate, Subclass: Cyclosilicate. Type Locality:
Uva, Sri Lanka.
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Valentinite: Sb2O3 Class: Oxide. Type Locality:
Chalanches, Allemont (near), Dauphiné, France*.
Vanadinite: Pb5(VO4)3Cl (Apatite) Class:
Vanadate, Subclass: Anhydrous Vanadate. Type Locality:
Zimapan, Hildalgo, Mexico.
Variscite: AlPO4+2H2O (Variscite) Class:
Phosphate, Subclass: Hydrated Phosphate. Type Locality:
Messbach, Plauen (near), Vogtland (Variscia), Thuringen, Germany.
Vauxite: FeAl2(PO4)2(OH)2+6H2O Class:
Phosphate. Type Locality: Siglo XX mine, Llallagua,
Potosí, Bolivia.
Vermiculite: (Mg,Fe,Al)3(Al,Si)4O10(OH)2+4H2O. Type Locality: Milbury,
Worcester Co., Massachusetts, USA.
Verplanckite: Ba2(Mn,Fe,Ti)Si2O6(O,OH,Cl,F)2+3H2O. Type Locality:
Big Creek and Rush Creek, Fresno Co., California, USA.
Vesuvianite: Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4 Class:
Silicate, Subclass: Sorosilicate. Type Locality:
Mt. Vesuvius, Napoli, Campania, Italy.
Villamaninite: (Cu,Ni,Co,Fe)S2 (Pyrite) Class:
Sulfide. Type Locality: Roma Island, Los Islands,
Guinea.
Villiaumite: NaF Class: Halide. Type Locality: Los, French Guinea*.
Violarite: FeNi2S4 (Linnaeite) Class:
Sulfide.
Vivianite: Fe3(PO4)2+8H2O (Vivianite) Class:
Phosphate, Subclass: Hydrated Phosphate. Type Locality:
St. Agnes, Cornwall, England.
Volborthite: Cu3V2O7(OH)2+2H2O.
Voltaite: K2Fe9(SO4)12+18H2O Class: Sulfate.
Type Locality: Pozzuoli, Naples, Italy*.
Click here to see the Mineral Galleries.
Wad: Hydrated Mn oxides (Varietal name).
Wagnerite: (Mg,Fe)2(PO4)F Class: Phosphate.
Type Locality: Höllengraben, Werfen (near), Salzburg, Austria.
Wardite: NaAl3(PO4)(OH)4+2H2O Class:
Phosphate. Type Locality: Clay Canyon, Fairfield,
Utah Co., Utah, USA.
Warwickite: (Mg,Ti,Fe,Al)2(BO3)O Class: Borate. Type Locality: 2-1/2
Miles SW of Edenville, Warwick, Orange Co., New York, USA*.
Wavellite: Al3(PO4)2(OH,F)3+5H2O Class:
Phosphate, Subclass: Hydrous Phosphate. Type Locality:
High Down quarry, Heddon, Filleigh, South Molton (near), Devon, England.
Weloganite: Sr3Na2Zr(CO3)6+3H2O Class:
Carbonate. Type Locality: Francon quarry, St.-Michel,
Montreal Island, Québec, Canada.
Wendwilsonite: Ca2(Mg,Co)(AsO4)2+2H2O (Roselite) Class: Arsenate.
Type Locality: Bou Azzer, Morocco; Sterling Hill mine, Ogdensburg, Sussex
Co., New Jersey, USA; Coahuila, Mexico.
Wernerite: Intermediate member of the scapolite group.
Wheatleyite: Na2Cu(C2O4)2+2H2O. Type Locality: Wheatley Mine, Phoenixville
(near), Chester Co., Pennsylvania, USA; Nishimomaki mine, Gumma pref.,
Japan.
Wherryite: Pb7Cu2(SO4)(SiO4)2(OH)2 Class:
Sulfate. Type Locality: Mammoth Mine, Tiger, Pinal
Co., Arizona, USA*.
Whewellite: CaC2O4+H2O Class: Oxalate. Type Locality: Unknown*.
Whiteite-(CaFeMg): Ca(Fe,Mn)Mg2Al2(PO4)4(OH)2+8H2O (Whiteite) Class:
Phosphate. Type Locality: Ilha de Taquaral, Minas
Gerais, Brazil.
Whiteite-(CaMnMg): CaMnMg2Al2(PO4)4(OH)2+8H2O (Whiteite) Class:
Phosphate. Type Locality: Tip Top pegmatite, Custer,
Custer Co., South Dakota, USA.
Whiteite-(MnFeMg): MnFe,Mg2Al2(PO4)4(OH)2+8H2O (Whiteite) Class:
Phosphate. Type Locality: Ilha de Taquaral, Minas
Gerais, Brazil.
Whitlockite: Ca9(Mg,Fe)H(PO4)7 Class:
Phosphate. Type Locality: Palermo #1 Pegmatite,
North Groton, Grafton Co., New Hampshire, USA*.
Whitmoreite: Fe3(PO4)2(OH)2+4H2O (Arthurite) Class:
Phosphate. Type Locality: Big Chief pegmatite,
Glendale, South Dakota; Palermo #1 Mine, North Groton, Grafton Co., New
Hampshire, USA.
Willemite: Zn2SiO4 Class: Silicate, Subclass:
Nesosilicate. Type Locality: Franklin Furnace or Sterling Hill, Sussex Co.,
New Jersey, USA.
Witherite: BaCO3 (Aragonite) Class:
Carbonate. Type Locality: Alston Moor, Cumberland,
England.
Wodginite: (Ta,Nb,Sn,Mn,Fe)16O32 (Wodginite) Class:
Oxide. Type Locality: Wodgina, Western Australia,
Australia.
Woldramite: Intermediate member of the ferberite-huebnerite series.
Wolfeite: (Fe,Mn)2(PO4)(OH) Class:
Phosphate. Type Locality: Palermo pegmatite, North
Groton, Grafton Co., New Hampshire, USA*.
Wolframite: Intermediate member of the ferberite-huebnerite series
(Wolframite Series) Class: Tungstate.
Wollastonite-1A: CaSiO3 Class: Silicate,
Subclass: Inosilicate. Type Locality: Dognecea, Banat, Timisoara (SE), Banat,
Romania.
Wollastonite-2M: CaSiO3 Class: Silicate,
Subclass: Inosilicate. Type Locality: Csiklova, Romania.
Wollastonite-3A: CaSiO3 Class: Silicate,
Subclass: Inosilicate. Type Locality: Kushiro, Hiroshima, Japan.
Wollastonite-4A: CaSiO3 Class: Silicate,
Subclass: Inosilicate. Type Locality: Kushiro, Hiroshima, Japan.
Wollastonite-5A: CaSiO3 Class: Silicate,
Subclass: Inosilicate. Type Locality: Kushiro, Hiroshima, Japan.
Wollastonite-7A: CaSiO3 Class: Silicate,
Subclass: Inosilicate. Type Locality: Fuka, Okayama, Japan.
Woodhouseite: CaAl3(PO4)(SO4)(OH)6 (Beaudantite) Class:
Sulfate-Phosphate. Type Locality: Champion andalusite
mine, Mono Co., California, USA.
Wulfenite: PbMoO4 Class: Molybdate. Type Locality: Bleiberg, Villach
(near), Kärnten, Austria.
Wurtzite: (Zn,Fe)S Class: Sulfide. Type
Locality: Príbram, Stredocesky kraj, Cechy (Bohemia), Czech Republic
(Czechoslovakia).
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Xanthoconite: Ag3AsS3.
Xenotime-(Y): YPO4 Class: Phosphate, Subclass:
Anhydrous Phosphate. Type Locality: Lindesnes, Norway.
Xonotlite: Ca6Si6O17(OH)2. Type Locality: Tetela de Xonotla, Mexico.
Yarrowite: Cu9S8. Type Locality: Yarrow Creek, Yarrow Creek -- Spionkop
Creek deposit, Alberta (SW), Canada.
Yavapaiite: KFe(SO4)2. Type Locality: United Verde Mine, Jerome, Yavapai
Co., Arizona, USA.
Yedlinite: Pb6CrCl6(O,OH)8. Type Locality: Mammoth Mine, Tiger, Pinal
Co., Arizona, USA.
Zaratite: Ni3(CO3)(OH)4+4H2O Class:
Carbonate, Subclass: Hydroxyl Carbonate. Type
Locality: Texas, Lancaster Co., Pennsylvania, USA*.
Zeolite: Group name.
Zinc: Zn Class: Native Element, Subclass:
Metals.
Zincite: (Zn,Mn)O Class: Oxide. Type Locality:
Sterling Hill and Franklin Furnace, Sussex Co., New Jersey, USA.
Zinkenite: Pb9Sb22S42 Class: Sulfosalt.
Type Locality: Wolfsberg, Harz, Germany*.
Zinnwaldite: KLiFeAl(AlSi3)O10(F,OH)2 (Mica) Class:
Silicate, Subclass: Phyllosilicate. Type Locality:
Cínovec (Zinnwald), Krusné Hory (Erzgebirge), Cechy (Bohemia),
Czech Republic (Czechoslovakia).
Zippeite: K4(UO2)6(SO4)3(OH)10+4H2O Class:
Sulfate. Type Locality: Jáchymov (St.
Joachimsthal), Západocesky kraj, Cechy (Bohemia), Czech Republic
(Czechoslovakia)*.
Zircon: ZrSiO4 Class: Silicate, Subclass:
Nesosilicate.
Zoisite: Ca2Al3(SiO4)3(OH) (Epidote) Class:
Silicate, Subclass: Sorosilicate. Type Locality:
Saualpe, Kärnten (Carinthia), Austria.
Zunyite: Al13Si5O20(OH,F)18Cl. Type Locality: Zuni Mine, Anvil Mt.,
Silverton, San Juan Co., Colorado, USA.
* = Locality verified in Dana's System of Mineralogy.
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