A  Listing of Minerals

A Listing of Minerals

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Dan Weinrich Fine Minerals
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Dan Weinrich Fine Minerals
Full-time professional mineral dealer with over 31 years experience in mineral collecting
And 15 years selling mineral specimens on the internet and at major mineral shows

A Index of Mineral Species

This alphabetical listing of A minerals include synonyms of accepted mineral names, pronunciation of that name, name origins, and locality information. Visit our expanded selection of mineral pictures.


Ab0 *  (see Anorthite )
Ab100 *  (see Albite )
Ab20 *  (see Bytownite )
Ab40 *  (see Labradorite )
Ab60 *  (see Andesine )
Ab80 *  (see Oligoclase )
Abelsonite  Say ABELSONITE Mineral Image for Abelsonite Mindat locations   Ni++C31H32N4 NAME ORIGIN: Named after Philip H. Abelson, president, the Carnegie Institution, Washington, DC, a pioneer in organic geochemistry.
Abenakiite-(Ce)  Say ABENAKIITE-(CE) Mindat locations   Na26REE6(SiO3)6(PO4)6(CO3)6(S++++O2)O NAME ORIGIN: For the Abenaki Indian tribe, which inhabited the area around Mont Saint-Hilaire.
Abernathyite  Say ABERNATHYITE Mineral Image for Abernathyite Mindat locations   K(UO2)(AsO4)•4(H2O) NAME ORIGIN: Named for Jess Abernathy, Moab, Utah, mine owner who found the first specimens.
Abhurite  Say ABHURITE Mineral Image for Abhurite Mindat locations   Sn3O(OH)2Cl2 NAME ORIGIN: Named for its locality. LOCALITY: Sharm Abhur, a cove in the Red Sea, Saudi Arabia, Jiddah, Red Sea
Abramovite !   Mineral Image for Abramovite Mindat locations   Pb2SnInBiS7 NAME ORIGIN: Named for Dmitry Abramov, Russian mineralogist.
Abrazite *  (see Gismondine ) See Also: GOOGLE, Athena, MinDAT, MinMax
Abrazite *  (see Phillipsite-Ca ) See Also: GOOGLE, Athena, MinDAT, MinMax
Abrazite *  (see Phillipsite-K ) See Also: GOOGLE, Athena, MinDAT, MinMax
Abrazite *  (see Phillipsite-Na ) See Also: GOOGLE, Athena, MinDAT, MinMax
Abswurmbachite  Say ABSWURMBACHITE Mindat locations   Cu++Mn+++6SiO12 NAME ORIGIN: Named for Irmgard Abs-Wurmbach (1938-), German mineralogist.
Abukumalite *  (see Britholite-(Y) ) See Also: GOOGLE, Athena, MinDAT, MinMax
Acadialite *  (see Chabazite-Ca ) See Also: GOOGLE, Athena, MinDAT, MinMax
Acanthite  Say ACANTHITE Mineral Image for Acanthite Mindat locations   Ag2S NAME ORIGIN: From the Greek, akanta, meaning "arrow." After the Latin, argentum, meaning "silver". Argentite is stable above 179 C. Acanthite is stable below 179 deg. C.
Acetamide  Say ACETAMIDE Mineral Image for Acetamide Mindat locations   CO(CH3)(NH2) NAME ORIGIN: For ACETic acid and AMIDE, for ammonia in its composition.
Achavalite   Mindat locations   FeSe NAME ORIGIN: Named for L. Achaval.
Achiardite *  (see Dachiardite-Ca ) See Also: GOOGLE, Athena, MinDAT, MinMax
Achiardite *  (see Dachiardite-Na ) See Also: GOOGLE, Athena, MinDAT, MinMax
Achroite - colorless  (see Elbaite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Achtarandite - pseudomorph, probably after mayenite.  (see Mayenite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Acicular iron ore *  (see Goethite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Acmite *  (see Aegirine ) See Also: GOOGLE, Athena, MinDAT, MinMax
Actinolite  Say ACTINOLITE Mineral Image for Actinolite Mindat locations   Ca2(Mg,Fe++)5Si8O22(OH)2 NAME ORIGIN: From the Greek, aktinos, meaning "ray" in allusion to actinolite's fibrous nature.
Acuminite  Say ACUMINITE Mindat locations   SrAlF4(OH)•(H2O) NAME ORIGIN: From the Latin acuminis, sharp point, for spear head, the characteristic shape of the crystals.
Adamite  Say ADAMITE Mineral Image for Adamite Java Crystal form for Adamite Mindat locations   Zn2(AsO4)(OH) NAME ORIGIN: Named after the French mineralogist Gilbert Joseph Adam (1795-1881).
Adamsite-(Y) !   Mineral Image for Adamsite-(Y) Mindat locations   NaY(CO3)2•6(H2O) NAME ORIGIN: Named for Professor Frank Dawson Adams (1859-1942) of McGill University, Montreal, Quebec.
Adelite  Say ADELITE Mindat locations   CaMg(AsO4)(OH) NAME ORIGIN: From the Greek for indistinct, for its occurrence as massive.
Adipite *  (see Chabazite-Ca ) See Also: GOOGLE, Athena, MinDAT, MinMax
Admontite  Say ADMONTITE Mindat locations   MgB6O10•7(H2O) NAME ORIGIN: For Admont, Austria, near the original locality. LOCALITY: Austria, Schidmaur, near Admont
Adranosite   Mindat locations   (NH4)4NaAl2(SO4)4Cl(OH)2 NAME ORIGIN: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Adularia *  (see Orthoclase ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aedelforsite *  (see Laumontite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aedelforsite *  (see Stilbite-Ca ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aedelforsite *  (see Stilbite-Na ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aedelite *  (see Natrolite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aegirine  Say AEGIRINE Mineral Image for Aegirine Java Crystal form for Aegirine Mindat locations   NaFe+++Si2O6 NAME ORIGIN: Named after the Teutonic god of the sea. Acmite is from the Greek "point" in allusion to the pointed crystals.
Aegirine-augite *  Say AEGIRINE-AUGITE Mineral Image for Aegirine-augite Mindat locations   (Ca,Na)(Mg,Fe++,Fe+++)[Si2O6] NAME ORIGIN: Name derived from its intermediate pyroxene composition. This is not an end-member species.
Aenigmatite  Say AENIGMATITE Mineral Image for Aenigmatite Mindat locations   (Na,Ca)4(Fe++,Ti,Mg)12Si12O40 NAME ORIGIN: From the Greek for riddle, apparently an allusion to its (formerly) uncertain chemical composition.
Aerinite  Say AERINITE Mineral Image for Aerinite Mindat locations   (Ca,Na)6FeAl(Fe++,Mg)2(Al,Mg)6[Si12O36(OH)12H][(H2O)12(CO3)] NAME ORIGIN: Named from the Greek root "aer-", alluding to atmosphere or sky and hence the color, sky blue.
Aerugite  Say AERUGITE Mineral Image for Aerugite Mindat locations   ([ ],Ni)9(AsO4)2(AsO6) (?) NAME ORIGIN: Named from the Greek for 'copper rust', in allusion to its appearance.
Aeschynite-(Ce)  Say AESCHYNITE-(CE) Mindat locations   (Ce,Ca,Fe)(Ti,Nb)2(O,OH)6 NAME ORIGIN: Named for its composition and from the Greek for "shame," in allusion to the inability of chemists, at the time of its discovery, to separate some of its constituents.
Aeschynite-(Ce) *  (see Nioboaeschynite-(Ce) ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aeschynite-(Nd)  Say AESCHYNITE-(ND) Mindat locations   (Nd,Ce)(Ti,Nb)2(O,OH)6 NAME ORIGIN: Named for its composition and from the Greek for "shame," in allusion to the inability of chemists, at the time of its discovery, to separate some of its constituents.
Aeschynite-(Y)  Say AESCHYNITE-(Y) Mineral Image for Aeschynite-(Y) Java Crystal form for Aeschynite-(Y) Mindat locations   (Y,Ca,Fe)(Ti,Nb)2(O,OH)6 NAME ORIGIN: Named for its composition and from the Greek for "shame," in allusion to the inability of chemists, at the time of its discovery, to separate some of its constituents.
Afghanite  Say AFGHANITE Mineral Image for Afghanite Mindat locations   (Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3•(H2O) NAME ORIGIN: From its locality. LOCALITY: Sar-e-Sang luzurite deposit in Afghanistan.
Afwillite  Say AFWILLITE Mineral Image for Afwillite Mindat locations   Ca3Si2O4(OH)6 NAME ORIGIN: For Alpheus Fuller Williams (1874-1953), General Manager, DeBeers Consolidated Mines, Kimberley, South Africa.
Agardite-(Ca) !  Say AGARDITE-(CA) Mineral Image for Agardite-(Ca) Mindat locations   CaCu6(AsO4)3(OH)6•3(H2O) NAME ORIGIN: Named for the composition and for Jules Agard, Geologist, Bureau de Recherches Geologiques et Minieres, Orleans, France.
Agardite-(Ce) !  Say AGARDITE-(CE) Mindat locations   (Ce,Ca)Cu6(AsO4)3(OH)6•3(H2O) NAME ORIGIN: Named as the Ce-dominant analog of agardite-(La) and agardite-(Y).
Agardite-(Dy) !  Say AGARDITE-(DY) Mindat locations   (Dy,La,Ca)Cu6(AsO4)3(OH)6•3(H2O) NAME ORIGIN: Named for the composition and for Jules Agard, Geologist, Bureau de Recherches Geologiques et Minieres, Orleans, France.
Agardite-(La) !  Say AGARDITE-(LA) Mindat locations   (La,Ca)Cu6(AsO4)3(OH)6•3(H2O) NAME ORIGIN: Named for the composition and for Jules Agard, Geologist, Bureau de Recherches Geologiques et Minieres, Orleans, France.
Agardite-(Nd) !  Say AGARDITE-(ND) Mindat locations   (Pb,Nd,Y,La,Ca)Cu6(AsO4)3(OH)6•3(H2O) NAME ORIGIN: Named for the composition and for Jules Agard, Geologist, Bureau de Recherches Geologiques et Minieres, Orleans, France.
Agardite-(Y)  Say AGARDITE-(Y) Mineral Image for Agardite-(Y) Mindat locations   (Y,Ca)Cu6(AsO4)3(OH)6•3(H2O) NAME ORIGIN: Named for the composition and for Jules Agard, Geologist, Bureau de Recherches Geologiques et Minieres, Orleans, France.
Agate - banded variety of chaledony  (see Quartz ) See Also: GOOGLE, Athena, MinDAT, MinMax
Agnolite *  (see Inesite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Agrellite  Say AGRELLITE Mineral Image for Agrellite Mindat locations   NaCa2Si4O10F NAME ORIGIN: Named for Stuart O. Agrell, British mineralogist, Cambridge University.
Agrinierite  Say AGRINIERITE Mineral Image for Agrinierite Mindat locations   (K2,Ca,Sr)U3O10•4(H2O) NAME ORIGIN: Named for Henri Agrinier (1928-1971), an engineer in the Mineralogy Laboratory if the French Atomic Energy Commission, Paris, France.
Aguilarite  Say AGUILARITE Mindat locations   Ag4SeS NAME ORIGIN: Named for Ponciano Aguilar (1853-1935), superintendent of the San Carlos mine, Guanajuato, where the mineral was found.
Aheylite  Say AHEYLITE Mineral Image for Aheylite Mindat locations   (Fe++,Zn)Al6(PO4)4(OH)8•4(H2O) NAME ORIGIN: Named for Allen V. Heyl (1918-), economic geologist, U. S. Geological Survey.
Ahlfeldite  Say AHLFELDITE Mineral Image for Ahlfeldite Java Crystal form for Ahlfeldite Mindat locations   (Ni,Co)SeO3•2(H2O) NAME ORIGIN: Named for Federico Ahlfeld (1892-192), German-Bolivian geologist and mineralogist who studied Bolivian minerals.
Aikinite  Say AIKINITE Mineral Image for Aikinite Mindat locations   PbCuBiS3 NAME ORIGIN: For Dr. Arthur Aikin (1773-1854), a founder and long-time Secretary of the Geological Society of London, England.
Aiolosite !   Mindat locations   Na4Bi(SO4)3Cl NAME ORIGIN: Named after the locality. LOCALITY: La Fossa crater, Vulcano, Aeolian Islands, Italy
Ajoite  Say AJOITE Mineral Image for Ajoite Mindat locations   (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O) NAME ORIGIN: Named for the locality. LOCALITY: New Cornelia mine, Ajo, Pima County,, Arizona, USA.
Akaganeite  Say AKAGANEITE Mineral Image for Akaganeite Mindat locations   Fe+++(O,OH,Cl) NAME ORIGIN: Named for the locality. LOCALITY: Akagane mine, Iwate Prefecture, Japan.
Akatoreite  Say AKATOREITE Mineral Image for Akatoreite Mindat locations   (Mn++,Fe++)9Al2Si8O24(OH)8 NAME ORIGIN: Named for the locality. LOCALITY: In New Zealand, three km south of Akatore Creek, east Otago, South Island. From Norberg, Sweden.
Akdalaite  Say AKDALAITE Mineral Image for Akdalaite Mindat locations   5(Al2O3)•(H2O) NAME ORIGIN: Named for the Kazakh name for the locality. LOCALITY: Solvech fluorite deposit, Karaganda region, Kazakhstan, Akdala.
Akermanite  Say AKERMANITE Mineral Image for Akermanite Mindat locations   Ca2MgSi2O7 NAME ORIGIN: For Anders Richard Akerman (1837-1922), Swedish metallurgist.
Akhtenskite  Say AKHTENSKITE Mineral Image for Akhtenskite Mindat locations   Mn++++O2 NAME ORIGIN: For the Akhtensk deposit, Russia, where it was first noted.
Akimotoite !  Say AKIMOTOITE Mineral Image for Akimotoite Mindat locations   (Mg,Fe)SiO3 NAME ORIGIN: Named after Syun-iti Akimoto (b. 1925), of the Institute of Geophysics and Solid State Physics, University of Tokyo, specialist in high-pressure research, especially on phase relationship
Akrochordite  Say AKROCHORDITE Mineral Image for Akrochordite Mindat locations   Mn4Mg(AsO4)2(OH)4•4(H2O) NAME ORIGIN: From the Greek for wart, for its typical habit.
Aksaite  Say AKSAITE Mindat locations   MgB6O7(OH)6•2(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Chelkar, Ak-Sai Valley, Uralsk district, Kazakhstan.
Aktashite  Say AKTASHITE Mineral Image for Aktashite Mindat locations   Cu6Hg3As4S12 NAME ORIGIN: Named after the locality. LOCALITY: Gal-Kyaya deposit, Yakutia, and Aktash deposit, Altai Mts., Russia.
Akyltetrahrdrophenanthrene *  (see Simonellite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Alabandite  Say ALABANDITE Mineral Image for Alabandite Mindat locations   MnS NAME ORIGIN: Named after its locality Alabanda, Turkey. LOCALITY: Turkey, Aydin, Alabanda
Alabaster *  (see Gypsum ) See Also: GOOGLE, Athena, MinDAT, MinMax
Alacranite  Say ALACRANITE Mineral Image for Alacranite Mindat locations   As8S9 NAME ORIGIN: For the occurrence in the Alacran deposit, Chile.
Alamosite  Say ALAMOSITE Mineral Image for Alamosite Mindat locations   PbSiO3 NAME ORIGIN: For the Mexican type locality at Alamos. LOCALITY: From Mexico, in Sonora, at Alamos, and the San Pascual mine, Zimpan, Hidalgo. In the USA, from Arizona, in the Mammoth-St. Anthony mine, at Tiger, Pinal Co., the Lucky Cuss mine, Tombstone,
Alarsite !  Say ALARSITE Mindat locations   AlAsO4 NAME ORIGIN: Named from its chemical composition of Aluminum and Arsenic.
Albite  Say ALBITE Mineral Image for Albite Java Crystal form for Albite Mindat locations   NaAlSi3O8 NAME ORIGIN: From the Latin, albus, in allusion to the common color.
Albrechtschraufite  Say ALBRECHTSCHRAUFITE Mindat locations   Ca4Mg(UO2)2(CO3)6F2•17(H2O) NAME ORIGIN: Named for Albrecht Schrauf (1837-1897), Austrian crystallographer, University of Vienna, Vienna, Austria.
Aldermanite  Say ALDERMANITE Mindat locations   Mg5Al12(PO4)8(OH)22•32(H2O) NAME ORIGIN: Named for Arthur Richard Alderman (1901-1980), Mineralogist and petrologist, University of Adelaide, SA, Australia.
Aldzhanite *   Mindat locations   CaMgB2O4Cl•7(H2O) (?) NAME ORIGIN: Not given in abstract.
Aleksite  Say ALEKSITE Mindat locations   PbBi2Te2S2 (?) NAME ORIGIN: Named after the locality. LOCALITY: In the Alekseev mine, Sutemskii region, Stanovoi Range, Russia.
Alexandrite - green  (see Chrysoberyl ) See Also: GOOGLE, Athena, MinDAT, MinMax
Alflarsenite   Mindat locations   NaCa2Be3Si4O13(OH)•2H2O NAME ORIGIN: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Alforsite  Say ALFORSITE Mindat locations   Ba5(PO4)3Cl NAME ORIGIN: To honor Dr. John T. Alfors (1930- ), geologist, California Division of Mines, for his work on the type locality. LOCALITY: From Big Creek and Rush Creek, Fresno Co., and on Trumbull Peak, near Incline, Marisopa Co., California, USA.
Alfredstelznerite   Mindat locations   Ca4(H2O)4 [B4O4(OH)6]4 {H2O}15 NAME ORIGIN: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Algodonite  Say ALGODONITE Mineral Image for Algodonite Mindat locations   Cu6As NAME ORIGIN: Named for the locality. LOCALITY: Chile, Algodones silver mn, Coquimbo
Aliettite  Say ALIETTITE Mineral Image for Aliettite Mindat locations   [Mg3Si4O10(OH)2](Ca0.5,Na)0.33(Al,Mg,Fe++)2-3(Si,Al)4O10(OH)2•n(H2O) NAME ORIGIN: Named for Andrea Alietti (1923-), clay mineralogist.
Allabogdanite !   Mineral Image for Allabogdanite Mindat locations   (Fe,Ni)2P NAME ORIGIN: Named for Alla Bogdanova, Geological Institute, Kola Science Centre of Russian Academy of Sciences.
Allactite  Say ALLACTITE Mineral Image for Allactite Java Crystal form for Allactite Mindat locations   Mn7(AsO4)2(OH)8 NAME ORIGIN: From the Greek, to change, a reference to the strong pleochroism.
Allanite-(Ce)  Say ALLANITE-(CE) Mineral Image for Allanite-(Ce) Mindat locations   (Ce,Ca,Y)2(Al,Fe+++)3(SiO4)3(OH) NAME ORIGIN: Named after the Scottish mineralogist, T. Allan (1777-1833).
Allanite-(La) !  Say ALLANITE-(LA) Mineral Image for Allanite-(La) Mindat locations   Ca(REE,Ca)Al2(Fe++,Fe+++)(SiO4)(Si2O7)O(OH) NAME ORIGIN: Named after the Scottish mineralogist, T. Allan (1777-1833) and the La content.
Allanite-(Y)  Say ALLANITE-(Y) Mineral Image for Allanite-(Y) Mindat locations   (Y,Ce,Ca)2(Al,Fe+++)3(SiO4)3(OH) NAME ORIGIN: Named after the Scottish mineralogist, T. Allan (1777-1833).
Allanpringite !   Mindat locations   Fe3(PO4)2(OH)3•5H2O NAME ORIGIN: Named for Allan Pring, eminent Australian mineralogist.
Allargentum  Say ALLARGENTUM Mineral Image for Allargentum Mindat locations   Ag1-xSbx(x=0.009-0.16) NAME ORIGIN: Named from the Greek for 'another' and the Latin 'argentum'.
Alleghanyite  Say ALLEGHANYITE Mineral Image for Alleghanyite Mindat locations   Mn5(SiO4)2(OH)2 NAME ORIGIN: Named after its locality. LOCALITY: Bald Knob, Alleghany Co., North Carolina, USA.
Allemontite *  (see Stibarsen ) See Also: GOOGLE, Athena, MinDAT, MinMax
Allendeite !   Mineral Image for Allendeite Mindat locations   Sc4Zr3O12 NAME ORIGIN: Named for the locality. LOCALITY: Allende meteorite, Pueblito de Allende, Chihuahua, Mexico.
Allochalcoselite !   Mindat locations   Cu+Cu++5PbO2(SeO3)2Cl5 NAME ORIGIN: The name is compositional and is derived from the Greek, a???? ("different") + ?a???? ("copper") + se??'??("selenium"), to reflect the different valences and crystallographic behavior of
Alloclasite  Say ALLOCLASITE Mindat locations   (Co,Fe)AsS NAME ORIGIN: From the Greek for "other", and "to break," because its cleavage was believed to be different from marcasite, which it resembles.
Allophane  Say ALLOPHANE Mineral Image for Allophane Mindat locations   Al2O3•(SiO2)1.3-2•((H2O))2.5-3 NAME ORIGIN: From the Greek allos - "other" and phanos - "to appear" in allusion to its change when blowpiped.
Alloriite !   Mindat locations   Na5K1.5Ca(Si6Al6O24)(SO4)(OH)0.5•H2O NAME ORIGIN: Named for Roberto Allori (1933*), Italian amateur mineralogist and collector, who found the mineral.
Alluaivite  Say ALLUAIVITE Mindat locations   Na19(Ca,Mn++)6(Ti,Nb)3(Si3O9)2(Si10O28)2Cl•2(H2O) NAME ORIGIN: For its occurrence on Mt. Alluaiv, Kola Peninsula, Russia.
Alluaudite  Say ALLUAUDITE Mineral Image for Alluaudite Mindat locations   NaCaFe++(Mn,Fe++,Fe+++,Mg)2(PO4)3 NAME ORIGIN: Named for Francois Alluaud, mining engineer of Limoges, France, who discovered the mineral.
Almagrerite *  (see Zincosite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Almandine  Say ALMANDINE Mineral Image for Almandine Java Crystal form for Almandine Mindat locations   Fe++3Al2(SiO4)3 NAME ORIGIN: Named after its locality. LOCALITY: Alabanda in Asia Minor.
Almandite *  (see Almandine ) See Also: GOOGLE, Athena, MinDAT, MinMax
Almarudite !   Mindat locations   K([ ],Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30] NAME ORIGIN: After the authors’ hosting and supporting institution, "Universität Wien", and is derived from the university’s proper name "ALma MAter RUDolphina".
Almbosite ?   Mindat locations   Fe++5Fe+++4V+++++4Si3O27 NAME ORIGIN: Named for the locality. LOCALITY: Almhiitte Bos, Trentino-Alto Adige, Italy.
Almeraite - mixture of carnallite and halite.  (see Carnallite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Alpersite !   Mineral Image for Alpersite Mindat locations   (Mg,Cu)SO4•7H2O NAME ORIGIN: Named after Charles N. Alpers, geochemist with the United States Geological Survey, who has made significant contributions to our understanding of the mineralogical controls of mine-water
alpha vrendenbergite *  (see Iwakiite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Alsakharovite-Zn !   Mineral Image for Alsakharovite-Zn Mindat locations   NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4•7(H2O) NAME ORIGIN: Named for Aleksey S. Sakharov (1910-1996), Russian geologist who studied the Lovozero alkaline massif.
Alstonite  Say ALSTONITE Mineral Image for Alstonite Java Crystal form for Alstonite Mindat locations   BaCa(CO3)2 NAME ORIGIN: Named after the locality. LOCALITY: Brownley Hill lead mine, Alston, Cumberland and Fallowfield lead mine hear Hexham, Northcumberland, England.
Altaite  Say ALTAITE Mineral Image for Altaite Mindat locations   PbTe NAME ORIGIN: Named after its locality. LOCALITY: Ziryanovsk in the Altai Mountains, Siberia.
Althausite  Say ALTHAUSITE Mineral Image for Althausite Mindat locations   Mg2(PO4)(OH,F,O) NAME ORIGIN: To honor Professor Egon Althaus (1933- ), Karlsruhe University, Karlsruhe, Germany.
Althupite  Say ALTHUPITE Mindat locations   ThAl(UO2)7(PO4)4(OH)5•15(H2O) NAME ORIGIN: For the major cations in the composition, Aluminum, Thorium, Uranium, Phosphorus.
Altisite  Say ALTISITE Mindat locations   Na3K6Ti2Al2Si8O26Cl3 NAME ORIGIN: Name for the elements Al, Ti, and Si in the composition.
Altmarkite *  (see Leadamalgam ) See Also: GOOGLE, Athena, MinDAT, MinMax
Altname - Remarks  (see RealName ) See Also: GOOGLE, Athena, MinDAT, MinMax
Alum-(K)   Mindat locations   KAl(SO4)2•12(H2O) NAME ORIGIN: Named for the element K and the Latin, alumen.
Alum-(Na)   Mindat locations   NaAl(SO4)2•12(H2O) NAME ORIGIN: Named for the composition.
Aluminilite *  (see Alunite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aluminite  Say ALUMINITE Mineral Image for Aluminite Mindat locations   Al2(SO4)(OH)4•7(H2O) NAME ORIGIN: Named after its chemical composition.
Aluminium *  (see Aluminum ) See Also: GOOGLE, Athena, MinDAT, MinMax
Alumino-magnesiohulsite - Renamed Aluminomagnesiohulsite by Mineralogical Record, v39 (2008), p131  (see Aluminomagnesiohulsite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Alumino-magnesiotaramite !   Mindat locations   Na(CaNa)(Mg3Al2)(Si6Al2)O22(OH)2 NAME ORIGIN: Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883).
Aluminobarroisite !  Say ALUMINOBARROISITE Mindat locations   [ ]CaNaMg3Al2(Si7Al)O22(OH)2 NAME ORIGIN: Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883).
Aluminoceladonite !  Say ALUMINOCELADONITE Mineral Image for Aluminoceladonite Mindat locations   KAl(Mg,Fe++)[ ]Si4O10(OH)2 NAME ORIGIN: Named for the French celadon, (sea green), in allusion to its common color.
Aluminocerite-(Ce) !   Mineral Image for Aluminocerite-(Ce) Mindat locations   (Ce,REE,Ca)9(Al,Fe+++)(SiO4)3[SiO3(OH)]4(OH)3 NAME ORIGIN: Named as the Al-dominant analog of cerite-(Ce).
Aluminocopiapite  Say ALUMINOCOPIAPITE Mineral Image for Aluminocopiapite Mindat locations   Al2/3Fe+++4(SO4)6O(OH)2•20(H2O) NAME ORIGIN: Named for its content of aluminum and relation to the copiapite group.
Aluminoferrobarroisite !   Mindat locations   [ ]CaNa(Fe2+)3Al2(Si7Al)O22(OH)2 NAME ORIGIN: Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883).
Aluminoferrohornblende *  (see Ferrohornblende ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aluminoferrotschermakite !   Mineral Image for Aluminoferrotschermakite Mindat locations   [ ]Ca2(Fe2+)3Al2(Si6Al2)O22(OH)2 NAME ORIGIN: Named for its composition and for Gustav Tschermak von Sessenegg (1836-1927), Austrian mineralogist.
Aluminokatophorite *  (see Katophorite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aluminomagnesiohornblende *  (see Magnesiohornblende ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aluminomagnesiohulsite !   Mindat locations   Mg2(Al,Mg,Sn)(BO3)O2 NAME ORIGIN: Named as the Al and Mg dominant member of the hulsite group.
Aluminotaramite !  Say ALUMINOTARAMITE Mindat locations   Na(CaNa)(Fe+++3Al2)(Si6Al2)O22(OH)2 NAME ORIGIN: Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883).
Aluminotschermakite *  (see Tschermakite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aluminowinchite *  (see Winchite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aluminum  Say ALUMINUM Mineral Image for Aluminum Mindat locations   Al NAME ORIGIN: From the Latin, alumen = "alum."
Aluminum Sulfate *  (see Alunogen ) See Also: GOOGLE, Athena, MinDAT, MinMax
Alumoakermanite !   Mindat locations   (Ca,Na)2(Al,Mg,Fe++)(Si2O7) NAME ORIGIN: Named as the Al analog of akermanite.
Alumohydrocalcite  Say ALUMOHYDROCALCITE Mineral Image for Alumohydrocalcite Mindat locations   CaAl2(CO3)2(OH)4•3(H2O) NAME ORIGIN: Named after its chemical composition.
Alumoklyuchevskite   Mineral Image for Alumoklyuchevskite Mindat locations   K3Cu3AlO2(SO4)4 NAME ORIGIN: Named as the aluminum dominant analog of klyuchevskite.
Alumopharmacosiderite   Mindat locations   KAl4(AsO4)3(OH)4•6•5(H2O) NAME ORIGIN: As the ALUMinum analog of "pharmacosiderite."
Alumotantite  Say ALUMOTANTITE Mindat locations   AlTaO4 NAME ORIGIN: For ALUMinum and TANTalum in the composition.
Alumotungstite  Say ALUMOTUNGSTITE Mindat locations   (W,Al)(O,OH)3 (?) NAME ORIGIN: Named for the composition.
Alunite  Say ALUNITE Mineral Image for Alunite Java Crystal form for Alunite Mindat locations   KAl3(SO4)2(OH)6 NAME ORIGIN: From the Latin alunit, meaning "alum."
Alunogen  Say ALUNOGEN Mineral Image for Alunogen Java Crystal form for Alunogen Mindat locations   Al2(SO4)3•17(H2O) NAME ORIGIN: From the Latin alumen ="alum" and the Greek genos ="origin."
Alushtite *  (see Tosudite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Alvanite  Say ALVANITE Mindat locations   (Zn,Ni)Al4(VO3)2(OH)12•2(H2O) NAME ORIGIN: Named for the ALuminum and VANadium in the composition.
Amakinite  Say AMAKINITE Mindat locations   (Fe++,Mg)(OH)2 NAME ORIGIN: Named for the Amakin Expedition, which prospected the Yakutain diamond deposits.
Amalgam *  Say AMALGAM Mindat locations   Ag2Hg3 NAME ORIGIN: Named for the Medieval Latin "amalgama" for a mercury-metal alloy, generally when the other metal is silver.
Amarantite  Say AMARANTITE Mineral Image for Amarantite Java Crystal form for Amarantite Mindat locations   Fe+++(SO4)(OH)•3(H2O) NAME ORIGIN: Named from the Greek for amaranth, an imaginary purplish red undying flower, for its color.
Amarillite  Say AMARILLITE Java Crystal form for Amarillite Mindat locations   NaFe+++(SO4)2•6(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Tierra Amarilla, southeast of Copiapo, Atacama, Chile
Amazonstone - green  (see Microcline ) See Also: GOOGLE, Athena, MinDAT, MinMax
Amber *   Mineral Image for Amber Mindat locations   [C,H,O] NAME ORIGIN: The name is for the yellow-orange-brown color.
Amblygonite  Say AMBLYGONITE Mineral Image for Amblygonite Java Crystal form for Amblygonite Mindat locations   (Li,Na)Al(PO4)(F,OH) NAME ORIGIN: From the Greek amblys - "blunt" and goni - "angle."
Ameghinite  Say AMEGHINITE Mindat locations   NaB3O3(OH)4 NAME ORIGIN: Named for Carlos Ameghino (1865-1936) and Florentino Ameghino (1854-1911), both brothers and Argentine geologists.
Amesite  Say AMESITE Mineral Image for Amesite Mindat locations   Mg2Al(SiAl)O5(OH)4 NAME ORIGIN: Honors James Ames, a mine owner.
Amethyst - purple  (see Quartz ) See Also: GOOGLE, Athena, MinDAT, MinMax
Amianthus *  (see Parachrysotile ) See Also: GOOGLE, Athena, MinDAT, MinMax
Amicite  Say AMICITE Mineral Image for Amicite Mindat locations   K2Na2Al4Si4O16•5(H2O) NAME ORIGIN: To honor Giovan Battista, Amici (1786-1863), physicist, optician, and inventor of microscope optical elements.
Aminoffite  Say AMINOFFITE Mineral Image for Aminoffite Mindat locations   Ca3Be2Si3O10(OH)2 NAME ORIGIN: Named for Gregori Aminoff (1993-1947), Swedish Mineralogist and crystallographer.
Ammonia alum *  (see Tschermigite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Ammonian arcanite *  (see Arcanite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Ammonioalunite  Say AMMONIOALUNITE Mineral Image for Ammonioalunite Mindat locations   (NH4)Al3(SO4)2(OH)6 NAME ORIGIN: Named for its composition (Ammonia, Al,).
Ammonioborite  Say AMMONIOBORITE Mindat locations   (NH4)2B10O16•5(H2O) NAME ORIGIN: Named for its composition, ammonium borate.
Ammoniojarosite  Say AMMONIOJAROSITE Java Crystal form for Ammoniojarosite Mindat locations   (NH4)Fe+++3(SO4)2(OH)6 NAME ORIGIN: Named as the ammonium analog of jarosite.
Ammonioleucite  Say AMMONIOLEUCITE Mindat locations   (NH4,K)AlSi2O6 NAME ORIGIN: For "ammonia" in its chemical composition and its relation to "leucite."
Ammonium hexachlorostannate *  (see Panichiite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Amosite *  (see Grunerite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Amphigene *  (see Leucite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Amstallite  Say AMSTALLITE Mindat locations   CaAl(Si,Al)4O8(OH)4•((H2O),Cl) NAME ORIGIN: For the locality. LOCALITY: In the Amstall graphite quarry, Amstall, Austria.
An0 *  (see Albite )
An100 *  (see Anorthite )
An20 *  (see Oligoclase )
An40 *  (see Andesine )
An60 *  (see Labradorite )
An80 *  (see Bytownite )
Analcidite *  (see Analcime ) See Also: GOOGLE, Athena, MinDAT, MinMax
Analcime  Say ANALCIME Mineral Image for Analcime Java Crystal form for Analcime Mindat locations   NaAlSi2O6•(H2O) NAME ORIGIN: From the Greek word meaning weak, referring to a weak electrical charge developed on rubbing.
Analcite *  (see Analcime ) See Also: GOOGLE, Athena, MinDAT, MinMax
Analzim *  (see Analcime ) See Also: GOOGLE, Athena, MinDAT, MinMax
Anandite  Say ANANDITE Mineral Image for Anandite Mindat locations   (Ba,K)(Fe++,Mg)3(Si,Al,Fe)4O10(S,OH)2 NAME ORIGIN: Named for Ananda Kentish Coomaraswamy (1877-1947), first director of the Mineral Survey of Ceylon (Sri Lanka).
Anapaite  Say ANAPAITE Mineral Image for Anapaite Java Crystal form for Anapaite Mindat locations   Ca2Fe++(PO4)2•4(H2O) NAME ORIGIN: For its discovery near Anapa, Russia.
Anatase  Say ANATASE Mineral Image for Anatase Java Crystal form for Anatase Mindat locations   TiO2 NAME ORIGIN: From the Greek, anatasis - "elongation."
Ancylite-(Ce)  Say ANCYLITE-(CE) Mineral Image for Ancylite-(Ce) Java Crystal form for Ancylite-(Ce) Mindat locations   SrCe(CO3)2(OH)•(H2O) NAME ORIGIN: Named for the composition and from the Greek "curved," in allusion to the rounded and distorted character of the crystals.
Ancylite-(La) !  Say ANCYLITE-(LA) Mindat locations   Sr(La,Ce)(CO3)2(OH)•(H2O) NAME ORIGIN: Named for the composition and from the Greek "curved," in allusion to the rounded and distorted character of the crystals.
Andalusite  Say ANDALUSITE Mineral Image for Andalusite Mindat locations   Al2SiO5 = Al[6]Al[5]OSiO4 NAME ORIGIN: Named after its locality. LOCALITY: Andalucia (Spain), an early but now unimportant location.
Andersonite  Say ANDERSONITE Mineral Image for Andersonite Mindat locations   Na2Ca(UO2)(CO3)3•6(H2O) NAME ORIGIN: Named for Charles Alfred Anderson (1902-1990), U. S. Geological Survey.
Andesine *  Say ANDESINE Mineral Image for Andesine Java Crystal form for Andesine Mindat locations   (Na,Ca)(Si,Al)4O8 NAME ORIGIN: Named after its locality. LOCALITY: Andes Mountains, South America.
Andorite  Say ANDORITE Mineral Image for Andorite Java Crystal form for Andorite Mindat locations   PbAgSb3S6 NAME ORIGIN: For Andor von Semsey (1833-1923), a Hungarian nobleman, who was also an amateur mineralogist.
Andradite  Say ANDRADITE Mineral Image for Andradite Java Crystal form for Andradite Mindat locations   Ca3Fe+++2(SiO4)3 NAME ORIGIN: Andradite is named after the Brazilian mineralogist J. B. de Andrada e Silva (1763-1838). Demantoid is named after its adamantine luster.
Andreasbergolite *  (see Harmotome ) See Also: GOOGLE, Athena, MinDAT, MinMax
Andremeyerite  Say ANDREMEYERITE Mindat locations   BaFe(Fe++,Mn,Mg)Si2O7 NAME ORIGIN: For Andre Marie Meyer (1890- ), Belgian geologist with the Geological Survey of the Belgian Congo, who first collected the mineral.
Andreolite *  (see Harmotome ) See Also: GOOGLE, Athena, MinDAT, MinMax
Andrewsite *  (see Chalcosiderite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Andrewsite *  (see Hentschelite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Andrewsite *  (see Rockbridgeite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Andreyivanovite !   Mineral Image for Andreyivanovite Mindat locations   FeCrP NAME ORIGIN: Named for Andrey Ivanov (b. 1937), Russian geochemist and mineralogist, who was one of the principal investigators for the Luna missions.
Androsite *  (see Manganiandrosite-(La) ) See Also: GOOGLE, Athena, MinDAT, MinMax
Androsite-(La) - Renamed to Manganiandrosite-(La) - Recommended nomenclature of epidote-group minerals, Eur. J. Mineral. 2006, 18, 5  (see Manganiandrosite-(La) ) See Also: GOOGLE, Athena, MinDAT, MinMax
Anduoite  Say ANDUOITE Mineral Image for Anduoite Mindat locations   (Ru,Os)As2 NAME ORIGIN: For the Chinese locality at Anduo. LOCALITY: From Anduo, Tibet, China.
Andyrobertsite !  Say ANDYROBERTSITE Mindat locations   KCdCu5(AsO4)4[As(OH)2O2]•2(H2O) NAME ORIGIN: Named after Andrew C. Roberts (1950-), mineralogist with the Geological Survey of Canada, specialist in documentation of new mineral species, in particular from low-temperature secondary
Angastonite !   Mindat locations   CaMgAl2(PO4)2(OH)4?7H2O NAME ORIGIN: Named for the locality. LOCALITY: Angaston, in the Mount Lofty Ranges, 100 km NNE of Adelaide, South Australia, Australia.
Angelaite !   Mineral Image for Angelaite Mindat locations   Cu2AgPbBiS4 NAME ORIGIN: Named for the locality. LOCALITY: Angela mine, district of Los Manantiales, Gastre, Chubut, Argentine.
Angelellite  Say ANGELELLITE Mineral Image for Angelellite Mindat locations   Fe+++4(AsO4)2O3 NAME ORIGIN: To honor Dr. Victorio Angelelli (1908- ), Argentinean mining geologist, Director of the Argentinean Geological Survey.
Anglarite *  (see Berthierite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Anglesite  Say ANGLESITE Mineral Image for Anglesite Java Crystal form for Anglesite Mindat locations   PbSO4 NAME ORIGIN: Named after the island of Anglesey (Wales, Great Britain).
Anhydrite  Say ANHYDRITE Mineral Image for Anhydrite Java Crystal form for Anhydrite Mindat locations   CaSO4 NAME ORIGIN: From the Greek anhydros, meaning "waterless" (In contrast to Gypsum, which contains water).
Anilite  Say ANILITE Mindat locations   Cu7S4 NAME ORIGIN: For the Ani mine, Japan.
Ankangite  Say ANKANGITE Mindat locations   Ba(Ti,V+++,Cr+++)8O16 NAME ORIGIN: Named for the locality. LOCALITY: Shiti Barite deposit, Ankang County, Shaanxi Provice, China.
Ankerite  Say ANKERITE Mineral Image for Ankerite Java Crystal form for Ankerite Mindat locations   Ca(Fe++,Mg,Mn)(CO3)2 NAME ORIGIN: Named after the Styrian (Austrian) mineralogist, Mathias Joseph Anker (1771-1843).
Ankinovichite !   Mindat locations   (Ni,Zn)Al4(VO3)2(OH)12(H2O)2.5 NAME ORIGIN: Named for Ekaterina Alexandrovina Ankinovich (1911-1991) and her husband Stepan Gerasimovitch Ankinovich (1912-1985). Russian mineralogist and geologist.
Ankoleite *  (see Meta-ankoleite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Annabergite  Say ANNABERGITE Mineral Image for Annabergite Mindat locations   Ni3(AsO4)2•8(H2O) NAME ORIGIN: Named after its locality. LOCALITY: Annaberg, Germany.
Annite  Say ANNITE Mineral Image for Annite Java Crystal form for Annite Mindat locations   KFe++3AlSi3O10(OH,F)2 NAME ORIGIN: For the first noted occurrence at Cape Ann, Massachusetts, USA.
Anorthite  Say ANORTHITE Mineral Image for Anorthite Java Crystal form for Anorthite Mindat locations   CaAl2Si2O8 NAME ORIGIN: From the Greek, an + orthos, "not upright" in allusion to the oblique crystals.
Anorthoclase  Say ANORTHOCLASE Mineral Image for Anorthoclase Mindat locations   (Na,K)AlSi3O8 NAME ORIGIN: From the Greek for "oblique" and "fracture," descriptive of the cleavage
Anorthominasragrite !   Mindat locations   V++++O(SO4)(H2O)5 NAME ORIGIN: Named for as the triclinic polymorph of minasragrite.
Ansermetite !   Mineral Image for Ansermetite Mindat locations   MnV2O6•4(H2O) NAME ORIGIN: Named for Stefan Ansermet (1964-), Swiss mineralogist.
Antarcticite  Say ANTARCTICITE Mindat locations   CaCl2•6(H2O) NAME ORIGIN: Named after the continent of Antarctica.
Anthoinite  Say ANTHOINITE Mineral Image for Anthoinite Mindat locations   AlWO3(OH)3 NAME ORIGIN: Named for Raymond Anthoine (1888-1971), Belgian mining engineer, who wrote on prospecting of alluvial deposits.
Anthonyite  Say ANTHONYITE Mindat locations   Cu(OH,Cl)2•3(H2O) NAME ORIGIN: Named for John W. Anthony (1920-1992), mineralogist, University of Arizona.
Anthophyllite  Say ANTHOPHYLLITE Mineral Image for Anthophyllite Mindat locations   [ ]Mg7Si8O22(OH)2 NAME ORIGIN: From the Latin anthophyllum - "clove" in allusion to the color.
Anthraquinone *  (see Hoelite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Antiedrite *  (see Edingtonite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Antigorite  Say ANTIGORITE Mineral Image for Antigorite Mindat locations   (Mg,Fe++)3Si2O5(OH)4 NAME ORIGIN: Named after its locality. From the Latin, serpens - "snake." LOCALITY: Antigorio, Italy
Antimonite *  (see Stibnite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Antimonpearceite  Say ANTIMONPEARCEITE Mindat locations   [Ag9CuS4] [(Ag,Cu)6(Sb,As)2S7] NAME ORIGIN: For its compositional relationship to pearceite.
Antimonselite  Say ANTIMONSELITE Mindat locations   Sb2Se3 NAME ORIGIN: Names in 1993 for the composition.
Antimonsilver *  (see Dyscrasite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Antimony  Say ANTIMONY Mineral Image for Antimony Java Crystal form for Antimony Mindat locations   Sb NAME ORIGIN: From the Arabic, al-uthmud, to Medieval Latin, antimonium; originally applied to stibnite, the sulfide of antimony.
Antimony bloom *  (see Valentinite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Antimony Glance *  (see Stibnite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Antimony ochre *  (see Romeite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Antitaenite *   Mindat locations   gamma-Fe3Ni NAME ORIGIN: Named for its opposite anti-ferromagnetism in contrast to the ferromagnetism of taenite.
Antitaenite *  (see Taenite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Antlerite  Say ANTLERITE Mineral Image for Antlerite Java Crystal form for Antlerite Mindat locations   Cu3(SO4)(OH)4 NAME ORIGIN: Named after its locality. LOCALITY: Antler mine, Mojave Co., Arizona.
Anyolite - green  (see Zoisite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Anyuiite  Say ANYUIITE Mindat locations   Au(Pb,Sb)2 NAME ORIGIN: Named in 1989 for the locality. LOCALITY: Bolshoi Anyui R., Kolyma region, Russia.
Apachite  Say APACHITE Mineral Image for Apachite Mindat locations   Cu9Si10O29•11(H2O) NAME ORIGIN: Named for the Apache Indians, whose reservation is near the locality. LOCALITY: Christmas Mine, Gila, Arizona, USA.
Apatite *  Say APATITE Mineral Image for Apatite Java Crystal form for Apatite Mindat locations   Ca5(PO4)3(OH,F,Cl) NAME ORIGIN: Named in 1788 from the Greek apatao - "I am misleading."
Apatite *  (see Apatite-(CaCl) ) See Also: GOOGLE, Athena, MinDAT, MinMax
Apatite *  (see Apatite-(CaF) ) See Also: GOOGLE, Athena, MinDAT, MinMax
Apatite *  (see Apatite-(CaOH) ) See Also: GOOGLE, Athena, MinDAT, MinMax
Apatite *  (see Apatite-(SrOH) ) See Also: GOOGLE, Athena, MinDAT, MinMax
Apatite *  (see Carbonate-fluorapatite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Apatite *  (see Carbonate-hydroxylapatite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Apatite-(CaCl)  Say APATITE-(CACL) Mineral Image for Apatite-(CaCl) Mindat locations   Ca5(PO4)3Cl NAME ORIGIN: Named as the chlorine end-member and from the Greek apatao - "I am misleading."
Apatite-(CaF)  Say APATITE-(CAF) Mineral Image for Apatite-(CaF) Mindat locations   Ca5(PO4)3F NAME ORIGIN: Named as the fluorine end-member and from the Greek apatao - "I am misleading."
Apatite-(CaOH)  Say APATITE-(CAOH) Mineral Image for Apatite-(CaOH) Mindat locations   Ca5(PO4)3(OH) NAME ORIGIN: Named as the hydroxyl end-member and from the Greek apatao - "I am misleading."
Apatite-(CaOH)-M !  Say APATITE-(CAOH)-M Mindat locations   (Ca,Na)5[(P,S)O4]3(OH,Cl) NAME ORIGIN: Named as the monoclinic analog of hyroxylapatite.
Apatite-(SrOH)  Say APATITE-(SROH) Mindat locations   (Sr,Ca)5(PO4)3(F,OH) NAME ORIGIN: Named for the composition and resemblance to the apatites.
Aphthalose *  (see Aphthitalite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aphthitalite  Say APHTHITALITE Mineral Image for Aphthitalite Java Crystal form for Aphthitalite Mindat locations   (K,Na)3Na(SO4)2 NAME ORIGIN: Named from the Greek for "unalterable" and "salt" in allusion to its stability in air.
Apjohnite  Say APJOHNITE Mineral Image for Apjohnite Mindat locations   MnAl2(SO4)4•22(H2O) NAME ORIGIN: Named for James Apjohn (1796-1886), Professor of Chemistry and Mineralogy, Trinity College, Dublin, Ireland.
Aplowite  Say APLOWITE Mineral Image for Aplowite Mindat locations   (Co,Mn,Ni)SO4•4(H2O) NAME ORIGIN: Named for Albert Peter Low (1861-1942), Canadian geologist, former Director of the Geological Survey of Canada.
Apoanalcite *  (see Natrolite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Apophyllite *  Say APOPHYLLITE Mineral Image for Apophyllite Mindat locations   KCa4(Si4O10)2F•8(H2O) NAME ORIGIN: Named in 1800 from the Greek apophylliso - "it flakes off."
Apophyllite-(KF)  Say APOPHYLLITE-(KF) Mineral Image for Apophyllite-(KF) Mindat locations   (K,Na)Ca4Si8O20(F,OH)•8(H2O) NAME ORIGIN: From the Greek apophylliso - "it flakes off." and the composition containing fluorine;
Apophyllite-(KOH)  Say APOPHYLLITE-(KOH) Mineral Image for Apophyllite-(KOH) Mindat locations   KCa4Si8O20(OH,F)•8(H2O) NAME ORIGIN: From the Greek apophylliso - "it flakes off" and the predominant hydroxyl anion.
Apophyllite-(NaF)  Say APOPHYLLITE-(NAF) Mineral Image for Apophyllite-(NaF) Mindat locations   NaCa4Si8O20F•8(H2O) NAME ORIGIN: From the Greek apophylliso - "it flakes off" and the composition.
Apuanite  Say APUANITE Mineral Image for Apuanite Mindat locations   Fe++Fe+++4Sb+++4O12S NAME ORIGIN: Named for the locality. LOCALITY: Buca della Vena mine, northeast of Stazzema, Apuan Alps, Tuscany, Italy.
Aqualite !   Mindat locations   (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl NAME ORIGIN: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Aquamarine - Blue varitey  (see Beryl ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aragonite  Say ARAGONITE Mineral Image for Aragonite Java Crystal form for Aragonite Mindat locations   CaCO3 NAME ORIGIN: Named after its locality. LOCALITY: Aragon (Spain).
Arakiite !   Mindat locations   (Zn,Mn++)(Mn++,Mg)12(Fe+++,Al)2(AsO3)(AsO4)2(OH)23 NAME ORIGIN: Named for Dr. Takaharu Araki (1929-), University of Chicago, for his numerous crystal-structure contributions to the science of mineralogy.
Aramayoite  Say ARAMAYOITE Mineral Image for Aramayoite Java Crystal form for Aramayoite Mindat locations   Ag3Sb2(Sb,Bi)S6 NAME ORIGIN: Named for Felix Avelino Aramayo, former Managing Director of the Compagnie Aramayo de Mines en Bolivie.
Arapovite !   Mindat locations   (U,Th)(Ca,Na)2(K1-x[ ]x)Si8O20•H2O, x=0.5 NAME ORIGIN: Named for Yu. A. Arapov (1907-1988), a famous geologist and author of many works on the geochemistry, mineralogy and petrology of Middle Asia.
Aravaipaite  Say ARAVAIPAITE Mineral Image for Aravaipaite Mindat locations   Pb3AlF9•(H2O) NAME ORIGIN: Named for the Aravaipa mining district.
Arcanite  Say ARCANITE Mineral Image for Arcanite Mindat locations   K2SO4 NAME ORIGIN: Named from the Latin arcanum duplicatum, for double secret, a medieval alchemical name.
Archerite  Say ARCHERITE Mineral Image for Archerite Mindat locations   (K,NH4)H2PO4 NAME ORIGIN: Honors Dr. Michael Archer (1945- ), Curator of Mammals, Queensland Museum, Brisbane, Australia, who discovered the first specimens.
Arctite  Say ARCTITE Mineral Image for Arctite Mindat locations   Na2Ca4(PO4)3F NAME ORIGIN: Named for the arctic region where it was found.
Arcubisite  Say ARCUBISITE Mindat locations   Ag6CuBiS4 NAME ORIGIN: Named for the composition (ARgentum, CUprum, and BISmuth).
Ardaite  Say ARDAITE Mindat locations   Pb19Sb13S35Cl7 NAME ORIGIN: Named for the locality. LOCALITY: Madjarovo, Arda River, Bulgaria.
Ardealite  Say ARDEALITE Mineral Image for Ardealite Mindat locations   Ca2(SO4)(HPO4)•4(H2O) NAME ORIGIN: From "Ardeal," the old Romanian name for Transylvania.
Ardennite *  (see Ardennite-(As) ) See Also: GOOGLE, Athena, MinDAT, MinMax
Ardennite-(As)  Say ARDENNITE-(AS) Mineral Image for Ardennite-(As) Mindat locations   (Mn++,Ca,Mg)4(Al,Mg,Fe)6(SiO4)2(Si3O10)(AsO4,VO4)(OH)6 NAME ORIGIN: After the locality. Renamed to ardennite-(As) with the discovery of ardennite-(V). LOCALITY: Salmchateau in the Ardennes Mountains, Belgium.
Ardennite-(V) !  Say ARDENNITE-(V) Mindat locations   Mn++4[Al4(Mg,Al,Fe+++,Mn+++)2][Si5(V,Si)]O22(OH)6 NAME ORIGIN: Named as the vanadium analogue of ardennite (ardennite-(As).
Arduinite *  (see Mordenite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Arfvedsonite  Say ARFVEDSONITE Mineral Image for Arfvedsonite Mindat locations   NaNa2(Fe++4Fe+++)Si8O22(OH)2 NAME ORIGIN: Named after the Swedish chemist, J. A. Arfvedson (1792-1841).
Argentite *  Say ARGENTITE Mineral Image for Argentite Java Crystal form for Argentite Mindat locations   Ag2S NAME ORIGIN: After the Latin, argentum, meaning "silver". From the Greek, akanta, meaning "arrow." Argentite is stable above 179 C. Acanthite is stable below 179 C.
Argentojarosite  Say ARGENTOJAROSITE Mineral Image for Argentojarosite Mindat locations   AgFe+++3(SO4)2(OH)6 NAME ORIGIN: Named for the silver content and relationship to jarosite.
Argentopentlandite  Say ARGENTOPENTLANDITE Mindat locations   Ag(Fe,Ni)8S8 NAME ORIGIN: For the similarity in composition to pentlandite.
Argentopyrite  Say ARGENTOPYRITE Mineral Image for Argentopyrite Mindat locations   AgFe2S3 NAME ORIGIN: For its composition and physical similarity to pyrite.
Argentotennantite  Say ARGENTOTENNANTITE Mindat locations   (Ag,Cu)10(Zn,Fe)2(As,Sb)4S13 NAME ORIGIN: For the chemical composition and by analogy to tennantite.
Argutite  Say ARGUTITE Mindat locations   GeO2 NAME ORIGIN: Named for the locality. LOCALITY: From the Argut deposit, central Pyrenees, Haute-Garonne, France.
Argyrodite  Say ARGYRODITE Mineral Image for Argyrodite Java Crystal form for Argyrodite Mindat locations   Ag8GeS6 NAME ORIGIN: For the Greek for "silver-containing."
Arhbarite  Say ARHBARITE Mineral Image for Arhbarite Mindat locations   Cu2Mg(AsO4)(OH)3 NAME ORIGIN: Named for the locality. LOCALITY: Arhbar mine, Bou-Azzer, Morocco.
Aricite *  (see Gismondine ) See Also: GOOGLE, Athena, MinDAT, MinMax
Aristarainite  Say ARISTARAINITE Mindat locations   Na2MgB12O20•8(H2O) NAME ORIGIN: Named for Lorenzo Francisco Aristarain (1926- ), Argentine mineralogist specializing in borate deposits, La Plata University, Buenos Aires, Argentina.
Arizonite *  (see Pseudorutile ) See Also: GOOGLE, Athena, MinDAT, MinMax
Arkelite - Tazheranite, name originally used for synthetic material.  (see Tazheranite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Armalcolite  Say ARMALCOLITE Mindat locations   (Mg,Fe++)Ti2O5 NAME ORIGIN: Named after the three astronauts of Apollo 11: Neil A. ARMstrong, Edwin E. "Buzz" ALdrin, and Michael COLlins.
Armangite  Say ARMANGITE Java Crystal form for Armangite Mindat locations   Mn26As+++18O50(OH)4(CO3) NAME ORIGIN: Named for Arsenic and MANGanese in the composition.
Armbrusterite !   Mindat locations   K5Na6Mn+++Mn++14[Si9O22]4(OH)10•4H2O NAME ORIGIN: Named for Thomas Armbruster (b. 1950; University of Berne) for his outstanding contribution to structural mineralogy and crystallography, especially to the study of Mn-rich minerals.
Armenite  Say ARMENITE Mineral Image for Armenite Mindat locations   BaCa2Al6Si9O30•2(H2O) NAME ORIGIN: The name origin for Armenite is the type locality. LOCALITY: Armen Mine, Kongsberg, Norway.
Armstrongite  Say ARMSTRONGITE Mineral Image for Armstrongite Mindat locations   CaZrSi6O15•3(H2O) NAME ORIGIN: Named for Neil Alden Armstrong, (1930-), American astronaut, first human being on the moon's surface, Apollo 11 Lunar Mission.
Arnhemite *   Mindat locations   (K,Na)2Mg2(P2O7)•5(H2O) NAME ORIGIN: Named after it's locality. LOCALITY: Arnhem Cave, Namibia.
Arrojadite !  Say ARROJADITE Mineral Image for Arrojadite Mindat locations   KNa4CaMn++4Fe++10Al(PO4)12(OH,F)2 NAME ORIGIN: To honor Miguel Arrojado Ribeiro Lisboa (1872-1932), Brazilian geologist. Arrojadite {1925) is renamed arrojadite-(KFe) and arrojadite becomes the group name.
Arrojadite-(BaFe) !  Say ARROJADITE-(BAFE) Mindat locations   (Ba,K,Pb)Na3(Ca,Sr)(Fe++,Mg,Mn)14Al(PO4)11(PO3OH)(OH,F)2 NAME ORIGIN: Originally for Pietro Sigismund (1874-1962), renamed arrojadite-(BaFe) in 2005 by the IMA.
Arrojadite-(BaNa) !  Say ARROJADITE-(BANA) Mindat locations   BaFe++Na2Ca(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 NAME ORIGIN: Named after arrojadite and site occupancy of the arrojadite structure.
Arrojadite-(KFe) !  Say ARROJADITE-(KFE) Mindat locations   KNa2CaNa2(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 NAME ORIGIN: Named after arrojadite and site occupancy of the arrojadite structure.
Arrojadite-(KNa) !  Say ARROJADITE-(KNA) Mindat locations   KNa4Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 NAME ORIGIN: Named after arrojadite and site occupancy of the arrojadite structure.
Arrojadite-(NaFe) !  Say ARROJADITE-(NAFE) Mindat locations   NaNa2CaNa2(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 NAME ORIGIN: Named after arrojadite and site occupancy of the arrojadite structure.
Arrojadite-(PbFe) !  Say ARROJADITE-(PBFE) Mindat locations   PbFe++Na2Ca(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 NAME ORIGIN: Named after arrojadite and site occupancy of the arrojadite structure.
Arrojadite-(SrFe) !  Say ARROJADITE-(SRFE) Mindat locations   SrFe++Na2Ca(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 NAME ORIGIN: Named after arrojadite and site occupancy of the arrojadite structure.
Arsenbrackebuschite  Say ARSENBRACKEBUSCHITE Mindat locations   Pb2(Fe++,Zn)(AsO4)2•(H2O) NAME ORIGIN: As the arsenate analog of "brackebuschite."
Arsendescloizite  Say ARSENDESCLOIZITE Mineral Image for Arsendescloizite Mindat locations   PbZn(AsO4)(OH) NAME ORIGIN: As the arsenate analog of "descloizite."
Arsenic  Say ARSENIC Mineral Image for Arsenic Java Crystal form for Arsenic Mindat locations   As NAME ORIGIN: From the Greek, Arsenikon, a name originally applied to the mineral orpiment.
Arsenical nickel *  (see Nickeline ) See Also: GOOGLE, Athena, MinDAT, MinMax
Arsenical pyrite *  (see Arsenopyrite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Arseniodialyte *  (see Hausmannite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Arseniopleite  Say ARSENIOPLEITE Mineral Image for Arseniopleite Mindat locations   (Ca,Na)(Na,Pb)Mn++(Mn++,Mg,Fe++)2(AsO4)3 NAME ORIGIN: Named from the Latin for the element As, and Greek for 'more' because it adds to the number of related minerals already described.
Arseniosiderite  Say ARSENIOSIDERITE Mineral Image for Arseniosiderite Mindat locations   Ca2Fe+++3(AsO4)3O2•3(H2O) NAME ORIGIN: For essential "arsenic" in the composition, and "sideros," Greek for "iron."
Arsenobismite ?  Say ARSENOBISMITE Mindat locations   Bi2(AsO4)(OH)3 NAME ORIGIN: Named in 1916 for it's composition.
Arsenoclasite  Say ARSENOCLASITE Mindat locations   Mn5(AsO4)2(OH)4 NAME ORIGIN: Named from "arsenic" and the Greek for "breaking," for its excellent cleavage.
Arsenocrandallite  Say ARSENOCRANDALLITE Mineral Image for Arsenocrandallite Mindat locations   (Ca,Sr)Al3[(As,P)O4]2(OH)5•(H2O) NAME ORIGIN: For "arsenic" in the composition, and relation to "crandallite."
Arsenoflorencite-(Ce)  Say ARSENOFLORENCITE-(CE) Mindat locations   (Ce,La)Al3(AsO4)2(OH)6 NAME ORIGIN: Named as the arsenic analog of florencite and the dominant rare earth element, cerium.
Arsenoflorencite-(La) *  Say ARSENOFLORENCITE-(LA) Mindat locations   (La,Sr)Al3(AsO4,SO4,PO4)2(OH)6 NAME ORIGIN: Named as the arsenic analog of florencite and the dominant rare earth element, Lanthanum.
Arsenoflorencite-(Nd) *  Say ARSENOFLORENCITE-(ND) Mindat locations   (Nd,La,Ce,Ba)(Al,Fe+++)3(AsO4,PO4)2(OH)6 NAME ORIGIN: Named as the arsenic analog of florencite and the dominant rare earth element, Neodymium.
Arsenogorceixite !  Say ARSENOGORCEIXITE Mineral Image for Arsenogorceixite Mindat locations   BaAl3AsO3(OH)(AsO4,PO4)(OH,F)6 NAME ORIGIN: For its "arsenic" content and relation to "gorceixite."
Arsenogoyazite  Say ARSENOGOYAZITE Mineral Image for Arsenogoyazite Mindat locations   (Sr,Ca,Ba)Al3(AsO4,PO4)2(OH,F)5•(H2O) NAME ORIGIN: Named for the chemical composition and it's relationship to goyazite.
Arsenohauchecornite  Say ARSENOHAUCHECORNITE Mindat locations   Ni18Bi3AsS16 NAME ORIGIN: Alludes to its chemical relation to the hauchecornite group.
Arsenolamprite  Say ARSENOLAMPRITE Mineral Image for Arsenolamprite Mindat locations   As NAME ORIGIN: Named for the composition and the Greek for brilliance, in allusion to its luster.
Arsenolite  Say ARSENOLITE Mineral Image for Arsenolite Java Crystal form for Arsenolite Mindat locations   As2O3 NAME ORIGIN: For ARSENic in the composition.
Arsenopalladinite  Say ARSENOPALLADINITE Mineral Image for Arsenopalladinite Mindat locations   Pd8(As,Sb)3 NAME ORIGIN: Named for its composition.
Arsenopyrite  Say ARSENOPYRITE Mineral Image for Arsenopyrite Java Crystal form for Arsenopyrite Mindat locations   FeAsS NAME ORIGIN: Named after the minerals chemical composition.
Arsenopyromorphite *  (see Mimetite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Arsenosulvanite ?  Say ARSENOSULVANITE Mindat locations   Cu3(As,V)S4 NAME ORIGIN: Named for its chemical relationship to sulvanite.
Arsenosulvanite *  (see Colusite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Arsenovanmeersscheite   Mindat locations   U(OH)4[(UO2)3(AsO4)2(OH)2]•4H2O NAME ORIGIN: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Arsenowaylandite *   Mindat locations   BiAl3(AsO4)2(OH)6 NAME ORIGIN: Named as the arsenate analog of waylandite.
Arsenpolybasite  Say ARSENPOLYBASITE Mineral Image for Arsenpolybasite Mindat locations   [Ag9CuS4] [(Ag,Cu)6(As,Sb)2S7] NAME ORIGIN: For the chemical composition and close relationship to polybasite.
Arsentsumebite  Say ARSENTSUMEBITE Mineral Image for Arsentsumebite Mindat locations   Pb2Cu(AsO4)(SO4)(OH) NAME ORIGIN: Named as the "arsenate" analog of "tsumebite."
Arsenuranospathite  Say ARSENURANOSPATHITE Mindat locations   HAl(UO2)4(AsO4)4•40(H2O) NAME ORIGIN: As the "arsenate" analog of "uranospathite."
Arsenuranylite  Say ARSENURANYLITE Mineral Image for Arsenuranylite Mindat locations   Ca(UO2)4(AsO4)2(OH)4•6(H2O) NAME ORIGIN: Named for its relationship to phosphuranylite as the end-member.
Arthurite  Say ARTHURITE Mineral Image for Arthurite Mindat locations   CuFe+++2(AsO4,PO4,SO4)2(O,OH)2•4(H2O) NAME ORIGIN: Named for Sir Arthur Edward Ian Montagu Russell (1878-1964) and Arthur William Gerald Kingsbury (1906-1968) for their contributions to British mineralogy.
Artinite  Say ARTINITE Mineral Image for Artinite Mindat locations   Mg2(CO3)(OH)2•3(H2O) NAME ORIGIN: Named after the Italian mineralogist, Ettore Artini (1866-1928), mineralogist at the University of Milan.
Artroeite  Say ARTROEITE Java Crystal form for Artroeite Mindat locations   PbAlF3(OH)2 NAME ORIGIN: For Dr. Arthur (Art) Roe (1912-1993).
Artsmithite !   Mineral Image for Artsmithite Mindat locations   Hg+4Al(PO4)1.74(OH)1.78 NAME ORIGIN: Named for Arthur (Art) E. Smith (1935-), American petroleum geologist from Houston, Texas who collected the original sample.
Arupite  Say ARUPITE Mindat locations   (Ni,Fe++)3(PO4)2•8(H2O) NAME ORIGIN: To honor Hans Henning Arup (1928- ), Director of the Danish Corrosion Center, Copenhagen, Denmark.
Arzakite  Say ARZAKITE Mindat locations   Hg3S2(Br,Cl)2 NAME ORIGIN: Named after it's locality. LOCALITY: Arzak mercury deposits, Tuva, Siberia, Russia.
Arzrunite   Mindat locations   Cu4Pb2SO4(OH)4Cl6•2(H2O) NAME ORIGIN: Named after Andreas Arzruni (1847-1898), German mineralogist, University of Aachen.
Asbecasite  Say ASBECASITE Mineral Image for Asbecasite Mindat locations   Ca3(Ti,Sn)As+++6Si2Be2O20 NAME ORIGIN: The name origin for Asbecasite is the main elements: As,Be,Ca,Si.
Asbestos *  (see Chrysotile ) See Also: GOOGLE, Athena, MinDAT, MinMax
Asbestos *  (see Clinochrysotile ) See Also: GOOGLE, Athena, MinDAT, MinMax
Asbestos *  (see Orthochrysotile ) See Also: GOOGLE, Athena, MinDAT, MinMax
Asbestos *  (see Parachrysotile ) See Also: GOOGLE, Athena, MinDAT, MinMax
Asbolane  Say ASBOLANE Mineral Image for Asbolane Mindat locations   (Co,Ni)1-y(Mn++++O2)2-x(OH)2-2y+2x•n(H2O) NAME ORIGIN: Named from the Greek "to soil like soot".
Aschamalmite  Say ASCHAMALMITE Mindat locations   Pb6Bi2S9 NAME ORIGIN: Named for the locality. LOCALITY: Ascham Alm, Untersulzbachtal, Austria.
Ascharite *  (see Szaibelyite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Ashanite ?  Say ASHANITE Mindat locations   (Nb,Ta,U,Fe,Mn)4O8 NAME ORIGIN: From Altai and SHAN, Chinese for "mountains," for the occurrence in the Altai Mountains, China.
Ashburtonite  Say ASHBURTONITE Mineral Image for Ashburtonite Mindat locations   HPb4Cu++4Si4O12(HCO3)4(OH)4Cl NAME ORIGIN: Named for the locality. LOCALITY: Anticline prospect, on Mineral Claim 84, which is on the Ashburton Downs pastoral lease, 11.2 km west-southwest of Ashburton Downs homestead.
Ashcroftine-(Ce) *  Say ASHCROFTINE-(CE) Mindat locations   K5Na5(Ce,Ca)12Si28O70(OH)2(CO3)8•8(H2O) NAME ORIGIN: Named for Frederick Noel Ashcroft (1878-1949), benefactor to the British Museum (Natural History), London, England.
Ashcroftine-(Y)  Say ASHCROFTINE-(Y) Mindat locations   K5Na5(Y,Ca)12Si28O70(OH)2(CO3)8•8(H2O) NAME ORIGIN: Named for Frederick Noel Ashcroft (1878-1949), benefactor to the British Museum (Natural History), London, England.
Ashoverite  Say ASHOVERITE Mindat locations   Zn(OH)2 NAME ORIGIN: Named for the locality. LOCALITY: Milltown, near Ashover, Derbyshire, England.
Ashtonite *  (see Mordenite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Asisite  Say ASISITE Mineral Image for Asisite Mindat locations   Pb12(SiO4)O8Cl4 NAME ORIGIN: The root name "Asis" means "drinking place" in the local Nama language and is also the name of the farm on which the Kombat mine is located. LOCALITY: Kombat mine, located 37 km east of Otavi and 49 km south of Tsumeb in the north-central part of Namibia.
Aspidolite  Say ASPIDOLITE Mindat locations   NaMg3AlSi3O10(OH)2 NAME ORIGIN: The name is from the Greek "aspisidos", like a shield, alluding to the appearance of its crystals.
Asselbornite  Say ASSELBORNITE Mineral Image for Asselbornite Mindat locations   (Pb,Ba)(UO2)6(BiO)4(AsO4)2(OH)12•3(H2O) NAME ORIGIN: Named for Eric Asselborn (1954-), mineral collector and surgeon, Montrevel-en-Bresse, Dijon, France, in whose collection the mineral was first found..
Astrocyanite-(Ce)  Say ASTROCYANITE-(CE) Mineral Image for Astrocyanite-(Ce) Mindat locations   Cu2(Ce,Nd,La)2(UO2)(CO3)5(OH)2•1.5(H2O) NAME ORIGIN: Named from the Greek for "star" and "blue" alluding to the star-like habit and blue color and the dominant Ce.
Astrophyllite  Say ASTROPHYLLITE Mineral Image for Astrophyllite Mindat locations   K2Na(Fe++,Mn)7Ti2Si8O26(OH)4 NAME ORIGIN: From the Greek aster - "star" and fyllon - "leaf."
Atacamite  Say ATACAMITE Mineral Image for Atacamite Java Crystal form for Atacamite Mindat locations   Cu2Cl(OH)3 NAME ORIGIN: Named after its locality. LOCALITY: Atacam desert province in northern Chile.
Atelestite  Say ATELESTITE Java Crystal form for Atelestite Mindat locations   Bi8(AsO4)3(OH)5O5 NAME ORIGIN: Derivation not explicitly stated. Probably from the Greek for "incomplete," as the composition was undetermined when the mineral was first described.
Atencioite !   Mineral Image for Atencioite Mindat locations   Ca2Fe++[ ]Mg2Fe++2Be4(PO4)6(OH)4•6H2O NAME ORIGIN: Named for Dr. Daniel Atencio, professor of mineralogy at the Geoscience Institute of the University of São Paulo, Brazil.
Athabascaite  Say ATHABASCAITE Mineral Image for Athabascaite Mindat locations   Cu5Se4 NAME ORIGIN: Named for the locality. LOCALITY: Martin Lake mine, Uranium City, Lake Athabasca, SK, Canada.
Atheneite  Say ATHENEITE Mindat locations   (Pd,Hg)3As NAME ORIGIN: After the Greek goddess "Pallas Athene," in allusion to its palladium content.
Atlasovite  Say ATLASOVITE Mindat locations   Cu6Fe+++Bi+++O4(SO4)5•KCl NAME ORIGIN: Named for Vladimir Vasil’evich Atlasov (1661/1664-1711), Russian traveller who first explored the Kamchatka Peninsula.
Atokite  Say ATOKITE Mineral Image for Atokite Mindat locations   (Pd,Pt)3Sn NAME ORIGIN: For the Atok mine, South Africa.
Atopite *  (see Romeite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Attacolite *  (see Attakolite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Attakolite  Say ATTAKOLITE Mineral Image for Attakolite Mindat locations   (Ca,Sr)Mn++(Al,Fe+++)4[(Si,P)O4]H(PO4)3(OH)4 NAME ORIGIN: Named from the Greek for "salmon" for the pale pink color.
Attapulgite *  (see Palygorskite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Attikaite !   Mineral Image for Attikaite Mindat locations   Ca3Cu2Al2(AsO4)4(OH)4•2H2O NAME ORIGIN: Named for the locality. LOCALITY: Christiana mine No. 132, Kamareza, Lavrion District, Attií Prefecture, Greece.
Aubertite  Say AUBERTITE Mineral Image for Aubertite Mindat locations   CuAl(SO4)2Cl•14(H2O) NAME ORIGIN: Named for J. Aubert (1929- ), French geophysicist who collected the first specimens.
Augelite  Say AUGELITE Mineral Image for Augelite Java Crystal form for Augelite Mindat locations   Al2(PO4)(OH)3 NAME ORIGIN: From the Greek for "luster," for its pearly luster on the cleavage.
Augite  Say AUGITE Mineral Image for Augite Java Crystal form for Augite Mindat locations   (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6 NAME ORIGIN: From the Greek auge - "luster."
Aurichalcite  Say AURICHALCITE Mineral Image for Aurichalcite Mindat locations   (Zn,Cu)5(CO3)2(OH)6 NAME ORIGIN: Probably from the Greek oreichalchos, "mountain copper."
Auricupride  Say AURICUPRIDE Mineral Image for Auricupride Mindat locations   Cu3Au NAME ORIGIN: Named after its composition of Au and Cu.
Aurivilliusite !   Mindat locations   Hg+Hg++OI NAME ORIGIN: Named for Karin Aurivillius (1920-1982), chemist-crystallographer at the University of Lund, Sweden, who determined the crystal structure of numerous synthetic Hg compounds.
Auroantimonate *   Mindat locations   AuSbO3 NAME ORIGIN: Named for the composition (AUROium ANTIMONATE).
Aurorite  Say AURORITE Mineral Image for Aurorite Mindat locations   (Mn,Ag,Ca)Mn++++3O7•3(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Aurora mine, Treasure Hill, Hamilton, Nevada, USA.
Aurostibite  Say AUROSTIBITE Mindat locations   AuSb2 NAME ORIGIN: In reference to its composition.
Austinite  Say AUSTINITE Mineral Image for Austinite Java Crystal form for Austinite Mindat locations   CaZn(AsO4)(OH) NAME ORIGIN: To honor Professor Austin Flint Rogers (1877-1957), American mineralogist, Stanford University, Palo Alto, California, USA.
Autunite  Say AUTUNITE Mineral Image for Autunite Java Crystal form for Autunite Mindat locations   Ca(UO2)2(PO4)2•10-12(H2O) NAME ORIGIN: Named for the locality. LOCALITY: L'Ouche de Jau, St. Symphorien, and other places near Autun, Saone-et-Loire, France.
Avanturine - feebly translucent chalcedony  (see Quartz ) See Also: GOOGLE, Athena, MinDAT, MinMax
Avdoninite !   Mineral Image for Avdoninite Mindat locations   K2Cu5Cl8(OH)4•H2O NAME ORIGIN: Named for Vladimir Nikolaevich Avdonin (b 1925), a senior researcher of the Ural Geological Museum of the Ural State Mining University.
Averievite !  Say AVERIEVITE Java Crystal form for Averievite Mindat locations   Cu5(VO4)2O2•CuCl2 NAME ORIGIN: Name for V. V. Averiev (1929-1968), Russian volcanologist.
Avicennite  Say AVICENNITE Mindat locations   Tl2O3 NAME ORIGIN: For the medieval (Persian) scholar and physician, Abu 'Ali al-Husayn ibn 'Abd Allah ibn Sina (Avicenna) (930-1037), who lived in Bukhara, Tadzhikistan.
Avogadrite  Say AVOGADRITE Mineral Image for Avogadrite Java Crystal form for Avogadrite Mindat locations   (K,Cs)BF4 NAME ORIGIN: Named for Amedeo Avogadro (1776-1856), Professor of Physics at the University of Turin, Turin, Italy.
Awaruite  Say AWARUITE Mineral Image for Awaruite Mindat locations   Ni2Fe to Ni3Fe NAME ORIGIN: For the locality near Awarua Bay, New Zealand. LOCALITY: From the Red Hills and the Gorge River draining them, near Awarua Bay, south Westland, New Zealand. At Coolac, New South Wales, and in the Lord Brassey mine, Tasmania, Australia.
Axinite *  (see Tinzenite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Axinite-(Fe)  Say AXINITE-(FE) Mineral Image for Axinite-(Fe) Mindat locations   Ca2Fe++Al2BO3Si4O12(OH) NAME ORIGIN: From the Greek acine - "ax" in allusion to the acute shape of typical crystals and the Latin - ferrum - "iron" in reference to the Fe in the chemical formula.
Axinite-(Mg)  Say AXINITE-(MG) Mineral Image for Axinite-(Mg) Mindat locations   Ca2MgAl2BO3Si4O12(OH) NAME ORIGIN: From the Greek acine - "axe" in allusion to the acute shape of typical crystals and the Greek, "Magnesia" a district in Thessaly in reference to the Mg in the chemical formula.
Axinite-(Mn)  Say AXINITE-(MN) Mineral Image for Axinite-(Mn) Mindat locations   Ca2Mn++Al2BO3Si4O12(OH) NAME ORIGIN: From the Greek acine - "axe" in allusion to the acute shape of typical crystals and the from the Latin magnes = "magnet" in reference to Mn in the chemical formula.
Azoproite  Say AZOPROITE Mineral Image for Azoproite Mindat locations   (Mg,Fe++)2(Fe+++,Ti,Mg)BO5 NAME ORIGIN: Named from a Russian acronym honoring the Study of Deep Zones of the Earth’s Crust (AZOPRO in Russian) sponsored in 1969 by the International Geological Association.
Azovskite - massive non-crystalline hydrous Fe-phosphate mixed with goethite  (see Santabarbaraite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Azurite  Say AZURITE Mineral Image for Azurite Java Crystal form for Azurite Mindat locations   Cu3(CO3)2(OH)2 NAME ORIGIN: From the Persian lazhward, meaning "blue.".
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LEGEND

Sound files Minerals identified with this icon have a sound file, courtesy of The Photo-Atlas of Minerals, which gives the pronunciation of the mineral name.
Image files Minerals identified with this icon have an image or picture in the database which may be viewed.
Java Crystal Forms Minerals identified with this icon have a Java crystal form, created with the program JCrystal, which can be manipulated and rotated.
Mindat Locations This icon links the mineral to the locality-rich information contained in Mindat.org.
Minerals identified with this icon are radioactive.
- Detectable with very sensitive instruments,
- very mild,
- weak,
- strong,
- very strong,
- dangerous.
* Mineral Name is Not IMA Approved.
! New Dana Classification Number Has Been Changed or Added.
? IMA Discredited Mineral Species Name.



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