A Listing of Minerals

A Listing of Minerals

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A Mineral Index (384 Count)

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

LEGEND: Valid Species (Bold);  Pronunciation;  Mineral Image;  Mineral Image Gallery;  jCrystal Form;  jPOWD Form;          Calculated Radioactive Intensity


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Anapaite Say Anapaite  View Anapaite Image View Anapaite Form  Ca2Fe++(PO4)2 Valid Species (Pre-IMA) 1910
NAME ORIGIN: For its discovery near Anapa, Russia.
Anatase Say Anatase  View Anatase Image View Anatase Form  TiO2 Valid Species (Pre-IMA) 1801
NAME ORIGIN: From the Greek, anatasis - "elongation."
Ancylite-(Ce) Say Ancylite-(Ce)  View Ancylite-(Ce) Image View Ancylite-(Ce) Form   SrCe(CO3)2(OH) Valid Species (Pre-IMA) 1899
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)  View Ancylite-(La) Image   Sr(La,Ce)(CO3)2(OH) Approved IMA 1998 (Dana # Added)
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  View Andalusite Image  Al2SiO5 = Al[6]Al[5]OSiO4 Valid Species (Pre-IMA) 1789
NAME ORIGIN: Named after its locality. LOCALITY: Andalucia (Spain), an early but now unimportant location.
Andersonite Say Andersonite  View Andersonite Images Gallery   Na2Ca(UO2)(CO3)3 Valid Species (Pre-IMA) 1948
NAME ORIGIN: Named for Charles Alfred Anderson (1902-1990), U. S. Geological Survey.
Andesine Say Andesine  View Andesine Image View Andesine Form  (Na,Ca)(Si,Al)4O8 Not Approved IMA 1841
NAME ORIGIN: Named after its locality. LOCALITY: Andes Mountains, South America.
Andorite Say Andorite  View Andorite Images Gallery View Andorite Form  PbAgSb3S6 Valid Species (Pre-IMA) 1894
NAME ORIGIN: For Andor von Semsey (1833-1923), a Hungarian nobleman, who was also an amateur mineralogist.
Andradite Say Andradite  View Andradite Images Gallery View Andradite Form  Ca3Fe+++2(SiO4)3 Valid Species (Pre-IMA) 1868
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
Andremeyerite Say Andremeyerite   BaFe(Fe++,Mn,Mg)Si2O7 Approved IMA 1973
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
Andrewsite - See Chalcosiderite
Andrewsite - See Hentschelite
Andrewsite - See Rockbridgeite
Andreyivanovite View Andreyivanovite Image  FeCrP Approved IMA 2006 (Dana # Added)
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)
Androsite-(La) - See Manganiandrosite-(La)
REMARKS: Renamed to Manganiandrosite-(La) - Recommended nomenclature of epidote-group minerals, Eur. J. Mineral. 2006, 18, 551-567.
Anduoite Say Anduoite  View Anduoite Image  (Ru,Os)As2 Approved IMA 1979
NAME ORIGIN: For the Chinese locality at Anduo. LOCALITY: From Anduo, Tibet, China.
Andyrobertsite Say Andyrobertsite  View Andyrobertsite Image  KCdCu5(AsO4)4[As(OH)2O2] Approved IMA 1999 (Dana # Added)
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 parageneses.
Angastonite View Angastonite Images Gallery CaMgAl2(PO4)2(OH)4?7H2O Approved IMA 2008 (Dana # Added)
NAME ORIGIN: Named for the locality. LOCALITY: Angaston, in the Mount Lofty Ranges, 100 km NNE of Adelaide, South Australia, Australia.
Angelaite View Angelaite Image Cu2AgPbBiS4 Approved IMA 2003 (Dana # Added)
NAME ORIGIN: Named for the locality. LOCALITY: Angela mine, district of Los Manantiales, Gastre, Chubut, Argentine.
Angelellite Say Angelellite  View Angelellite Image  Fe+++4(AsO4)2O3 Approved IMA 1959
NAME ORIGIN: To honor Dr. Victorio Angelelli (1908- ), Argentinean mining geologist, Director of the Argentinean Geological Survey.
Anglarite - See Berthierite
Anglesite Say Anglesite  View Anglesite Images Gallery View Anglesite Form  PbSO4 Valid Species (Pre-IMA) 1832
NAME ORIGIN: Named after the island of Anglesey (Wales, Great Britain).
Anhydrite Say Anhydrite  View Anhydrite Image View Anhydrite Form  CaSO4 Valid Species (Pre-IMA) 1795
NAME ORIGIN: From the Greek anhydros, meaning "waterless" (In contrast to Gypsum, which contains water).
Anilite Say Anilite   Cu7S4 Approved IMA 1968
NAME ORIGIN: For the Ani mine, Japan.
Ankangite Say Ankangite  View Ankangite Image  Ba(Ti,V+++,Cr+++)8O16 Approved IMA 1989
NAME ORIGIN: Named for the locality. LOCALITY: Shiti Barite deposit, Ankang County, Shaanxi Provice, China.
Ankerite Say Ankerite  View Ankerite Image View Ankerite Form  Ca(Fe++,Mg,Mn)(CO3)2 Valid Species (Pre-IMA) 1825
NAME ORIGIN: Named after the Styrian (Austrian) mineralogist, Mathias Joseph Anker (1771-1843).
Ankinovichite View Ankinovichite Image  (Ni,Zn)Al4(VO3)2(OH)12(H2O)2.5 Approved IMA 2004 (Dana # Added)
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
Annabergite Say Annabergite  View Annabergite Image  Ni3(AsO4)2 Valid Species (Pre-IMA) 1852
NAME ORIGIN: Named after its locality. LOCALITY: Annaberg, Germany.
Annite Say Annite  View Annite Image View Annite Form   KFe++3AlSi3O10(OH,F)2 Valid Species (Pre-IMA) 1863
NAME ORIGIN: For the first noted occurrence at Cape Ann, Massachusetts, USA.
Anorthite Say Anorthite  View Anorthite Image View Anorthite Form  CaAl2Si2O8 Valid Species (Pre-IMA) 1823
NAME ORIGIN: From the Greek, an + orthos, "not upright" in allusion to the oblique crystals.
Anorthoclase Say Anorthoclase  View Anorthoclase Image   (Na,K)AlSi3O8 Valid Species (Pre-IMA) 1885
NAME ORIGIN: From the Greek for "oblique" and "fracture," descriptive of the cleavage
Anorthominasragrite  V++++O(SO4)(H2O)5 Approved IMA 2003 (Dana # Added)
NAME ORIGIN: Named for as the triclinic polymorph of minasragrite.
Ansermetite View Ansermetite Image  MnV2O6 Approved IMA 2003 (Dana # Added)
NAME ORIGIN: Named for Stefan Ansermet (1964-), Swiss mineralogist.
Antarcticite Say Antarcticite  View Antarcticite Image  CaCl2 Approved IMA 1965
NAME ORIGIN: Named after the continent of Antarctica.
Anthoinite Say Anthoinite  View Anthoinite Images Gallery AlWO3(OH)3 Valid Species (Pre-IMA) 1947
NAME ORIGIN: Named for Raymond Anthoine (1888-1971), Belgian mining engineer, who wrote on prospecting of alluvial deposits.
Anthonyite Say Anthonyite Cu(OH,Cl)2 Approved IMA 1963
NAME ORIGIN: Named for John W. Anthony (1920-1992), mineralogist, University of Arizona.
Anthophyllite Say Anthophyllite  View Anthophyllite Images Gallery  [ ]Mg7Si8O22(OH)2 Valid Species (Pre-IMA) 1861
NAME ORIGIN: From the Latin anthophyllum - "clove" in allusion to the color.
Anthraquinone - See Hoelite
Antiedrite - See Edingtonite
Antigorite Say Antigorite  View Antigorite Images Gallery  (Mg,Fe++)3Si2O5(OH)4 Valid Species (Pre-IMA) 1840
NAME ORIGIN: Named after its locality. From the Latin, serpens - "snake." LOCALITY: Antigorio, Italy
Antimonite - See Stibnite
Antimonpearceite Say Antimonpearceite   [Ag9CuS4] [(Ag,Cu)6(Sb,As)2S7] Approved IMA 1963
NAME ORIGIN: For its compositional relationship to pearceite.
Antimonselite Say Antimonselite   Sb2Se3 Approved IMA 1992
NAME ORIGIN: Names in 1993 for the composition.
Antimonsilver - See Dyscrasite
Antimony Say Antimony  View Antimony Images Gallery View Antimony Form  Sb Valid Species (Pre-IMA) Prehistoric
NAME ORIGIN: From the Arabic, al-uthmud, to Medieval Latin, antimonium; originally applied to stibnite, the sulfide of antimony.
Antimony bloom - See Valentinite
Antimony Glance - See Stibnite
Antimony ochre - See Romeite
Antitaenite gamma-Fe3Ni Not Submitted IMA
NAME ORIGIN: Named for its opposite anti-ferromagnetism in contrast to the ferromagnetism of taenite.
Antitaenite - See Taenite
Antlerite Say Antlerite  View Antlerite Images Gallery View Antlerite Form  Cu3(SO4)(OH)4 Valid Species (Pre-IMA) 1889
NAME ORIGIN: Named after its locality. LOCALITY: Antler mine, Mojave Co., Arizona.
Anyolite - See Zoisite
REMARKS: Green colored zoisite
Anyuiite Say Anyuiite   Au(Pb,Sb)2 Approved IMA 1987
NAME ORIGIN: Named in 1989 for the locality. LOCALITY: Bolshoi Anyui R., Kolyma region, Russia.
Apachite Say Apachite  View Apachite Images Gallery Cu9Si10O29 Approved IMA 1979
NAME ORIGIN: Named for the Apache Indians, whose reservation is near the locality. LOCALITY: Christmas Mine, Gila, Arizona, USA.
Apatite Say Apatite  View Apatite Images Gallery View Apatite Form Ca5(PO4)3(OH,F,Cl) Not Approved IMA - Group Name for Apatite Mineral Group
NAME ORIGIN: Named in 1788 from the Greek apatao - "I am misleading."
Apatite - See Apatite-(CaCl)
Apatite - See Apatite-(CaF)
Apatite - See Apatite-(CaOH)
Apatite - See Apatite-(SrOH)
Apatite - See Carbonate-fluorapatite
Apatite - See Carbonate-hydroxylapatite
Apatite-(CaCl) Say Apatite-(CaCl)  View Apatite-(CaCl) Image  Ca5(PO4)3Cl Valid Species (Pre-IMA) 1860
NAME ORIGIN: Named as the chlorine end-member and from the Greek apatao - "I am misleading."
Apatite-(CaF) Say Apatite-(CaF)  View Apatite-(CaF) Images Gallery  Ca5(PO4)3F Valid Species (Pre-IMA) 1860
NAME ORIGIN: Named as the fluorine end-member and from the Greek apatao - "I am misleading."
Apatite-(CaOH) Say Apatite-(CaOH)  View Apatite-(CaOH) Image  Ca5(PO4)3(OH) Valid Species (Pre-IMA) 1856
NAME ORIGIN: Named as the hydroxyl end-member and from the Greek apatao - "I am misleading."
Apatite-(CaOH)-M Say Apatite-(CaOH)-M   (Ca,Na)5[(P,S)O4]3(OH,Cl) Approved IMA 2004 (Dana # Added)
NAME ORIGIN: Named as the monoclinic analog of hyroxylapatite.
Apatite-(SrOH) Say Apatite-(SrOH)   (Sr,Ca)5(PO4)3(F,OH) Approved IMA 1962
NAME ORIGIN: Named for the composition and resemblance to the apatites.
Aphthalose - See Aphthitalite
Aphthitalite Say Aphthitalite  View Aphthitalite Image View Aphthitalite Form   (K,Na)3Na(SO4)2 Valid Species (Pre-IMA) 1813
NAME ORIGIN: Named from the Greek for "unalterable" and "salt" in allusion to its stability in air.
Apjohnite Say Apjohnite  View Apjohnite Image  MnAl2(SO4)4 Valid Species (Pre-IMA) 1838
NAME ORIGIN: Named for James Apjohn (1796-1886), Professor of Chemistry and Mineralogy, Trinity College, Dublin, Ireland.
Aplowite Say Aplowite  View Aplowite Image  (Co,Mn,Ni)SO4 Approved IMA 1965
NAME ORIGIN: Named for Albert Peter Low (1861-1942), Canadian geologist, former Director of the Geological Survey of Canada.
Apoanalcite - See Natrolite
Apophyllite Say Apophyllite  View Apophyllite Images Gallery  KCa4(Si4O10)2F Not Approved IMA 1978
NAME ORIGIN: Named in 1800 from the Greek apophylliso - "it flakes off."
Apophyllite-(KF) Say Apophyllite-(KF)  View Apophyllite-(KF) Image   (K,Na)Ca4Si8O20(F,OH) Approved IMA 1978
NAME ORIGIN: From the Greek apophylliso - "it flakes off." and the composition containing fluorine;
Apophyllite-(KOH) Say Apophyllite-(KOH)  View Apophyllite-(KOH) Images Gallery   KCa4Si8O20(OH,F) Approved IMA 1978
NAME ORIGIN: From the Greek apophylliso - "it flakes off" and the predominant hydroxyl anion.
Apophyllite-(NaF) Say Apophyllite-(NaF)  View Apophyllite-(NaF) Image  NaCa4Si8O20F Approved IMA 1981
NAME ORIGIN: From the Greek apophylliso - "it flakes off" and the composition.
Apuanite Say Apuanite  View Apuanite Image  Fe++Fe+++4Sb+++4O12S Approved IMA 1978
NAME ORIGIN: Named for the locality. LOCALITY: Buca della Vena mine, northeast of Stazzema, Apuan Alps, Tuscany, Italy.
Aqualite View Aqualite Image  (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl Proposed IMA 2002 (Dana # Added)
NAME ORIGIN: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Aquamarine - See Beryl
REMARKS: Blue varitey
Aragonite Say Aragonite  View Aragonite Image View Aragonite Form  CaCO3 Valid Species (Pre-IMA) 1790
NAME ORIGIN: Named after its locality. LOCALITY: Aragon (Spain).
Arakiite View Arakiite Image  (Zn,Mn++)(Mn++,Mg)12(Fe+++,Al)2(AsO3)(AsO4)2(OH)23 Approved IMA 1999 (Dana # Added)
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  View Aramayoite Image View Aramayoite Form  Ag3Sb2(Sb,Bi)S6 Valid Species (Pre-IMA) 1926
NAME ORIGIN: Named for Felix Avelino Aramayo, former Managing Director of the Compagnie Aramayo de Mines en Bolivie.
Arapovite View Arapovite Image   (U,Th)(Ca,Na)2(K1-x[ ]x)Si8O20 Approved IMA 2004 (Dana # Added)
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  View Aravaipaite Image  Pb3AlF9 Approved IMA 1989
NAME ORIGIN: Named for the Aravaipa mining district.
Arcanite Say Arcanite  View Arcanite Images Gallery   K2SO4 Valid Species (Pre-IMA) Prehistoric
NAME ORIGIN: Named from the Latin arcanum duplicatum, for double secret, a medieval alchemical name.
Archerite Say Archerite  View Archerite Image   (K,NH4)H2PO4 Approved IMA 1975
NAME ORIGIN: Honors Dr. Michael Archer (1945- ), Curator of Mammals, Queensland Museum, Brisbane, Australia, who discovered the first specimens.
Arctite Say Arctite  View Arctite Image  Na2Ca4(PO4)3F Approved IMA 1981
NAME ORIGIN: Named for the arctic region where it was found.
Arcubisite Say Arcubisite Ag6CuBiS4 Approved IMA 1976
NAME ORIGIN: Named for the composition (ARgentum, CUprum, and BISmuth).
Ardaite Say Ardaite  View Ardaite Image Pb19Sb13S35Cl7 Approved IMA 1980
NAME ORIGIN: Named for the locality. LOCALITY: Madjarovo, Arda River, Bulgaria.
Ardealite Say Ardealite  View Ardealite Image  Ca2(SO4)(HPO4) Valid Species (Pre-IMA) 1932
NAME ORIGIN: From "Ardeal," the old Romanian name for Transylvania.
Ardennite - See Ardennite-(As)
Ardennite-(As) Say Ardennite-(As)  View Ardennite-(As) Image  (Mn++,Ca,Mg)4(Al,Mg,Fe)6(SiO4)2(Si3O10)(AsO4,VO4)(OH)6 Valid Species (Pre-IMA) 1872, Renamed 2007 to Adrennite-(As)
NAME ORIGIN: After the locality. Renamed to ardennite-(As) with the discovery of ardennite-(V). LOCALITY: Salmchateau in the Ardennes Mountains, Belgium.
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