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Mineral Index - A

• Albite Moonstone
  var. of Peristerite

• Albite-Oligoclase
  syn. of Oligoclase-Albite

• Albito
  syn. of Albite

• Albīts
  syn. of Albite

• Albitt
  syn. of Albite

• Albovite
  A substance of anthropogenic origin (burning coal mine dump). Current IMA regulations do not allow such substances to be approved as valid mineral species.
  Ca₂(SiO₄)·CaCl₂

• Albrechtschraufite
  Triclinic
  Ca₄Mg(UO₂)₂[F₂|(CO₃)₆] · 17 H₂O

• Albrittonite
  A discredited species, now regarded as only existing artificially.
  CoCl₂·6H₂O

• Alcali minerale vitriolatum
  syn. of Mirabilite

• Alcaparossa Amarilla
  syn. of Botryogen

• Alcaparossa Verde
  syn. of Melanterite

• Al-chamosite
  Probably a mixture. Originally reported from Bashkortostan (Bashkir) Republic, Urals Region, Russia.

• Alcharite
  Crystals of Goethite that resemble Stibnite

• Alcohol
  syn. of Stibnite

• Aldanite
  var. of Thorianite
  (Th,Pb)O₂ ?

• Aldermanite
  Orthorhombic
  Mg₅Al₁₂[(OH)₁₁|(PO₄)₄]₂ · 32H₂O

• Aldzhanite
  An uncertain calcium chloroborate. Poor chemical characterization, name should not be used.
  CaMgB₂O₄Cl·7H₂O

• Aleksandrovite
  Monoclinic
  KCa₇Sn₂Li₃Si₁₂O₃₀F₂
• Aleksite
  Trigonal
  PbBi₂Te₂S₂

• Aleksite Group
  group name

• Alencon Diamond
  syn. of Rock Crystal

• Aleppo Stone
  syn. of Eye Agate

• Alexandrine
  A misleading name for a color-change synthetic corundum or spinel.

• Alexandrite
  var. of Chrysoberyl

• Alexandrite Garnet
  A misleading name for a natural color-change garnet.

• Alexandrium
  A synthetic lithium aluminum silicate manufactured in many colors, depending on the dopant. Color change is introduced by a trace of cerium.

• Alexandrolite
  A green hydrated silicate resulting from the decomposition of avalite.
  Cr₂Al₄Si₈O₂₅·6H₂O Or near

• Alexeyevite
  syn. of Alexjejewite

• Alexjejewite
  A wax-like hydrocarbon. Originally described from Kaluzhskaya (Kaluga) Oblast', Central Region, Russia.

• Alflarsenite
  Monoclinic
  NaCa₂Be₃Si₄O₁₃(OH)·2H₂O
• Alforsite
  Hexagonal
  Ba₅[Cl|(PO₄)₃]
• Alfredstelznerite
  Orthorhombic
  Ca₄(H₂O)₄[B₄O₄(OH)₆]₄(H₂O)₁₅

• Algadonite
  syn. of Algodonite

• Algerian Onyx
  syn. of Limestone Onyx

• Algerite
  Uncertain material. Probably an altered Scapolite.

• Algodonite
  Hexagonal
  (Cu_1-xAs_x)
• Aliettite
  Monoclinic
  Ca_0.2Mg₆(Si,Al)₈O₂₀(OH)₄·4H₂O

• Al-illite-hydromica
  var. of Illite

• Aliminyòm
  syn. of Aluminium

• Alipite
  Uncertain mineral, when dehydrated possibly related to talc. Perhaps the Nickel analogue of Saponite. Originally reported from Silesia (Schlesien), Poland.
  (Ni,Mg)₃Si₄O₁₀(OH)₂·nH₂O

• Alisonite
  Probably a mixture. Originally reported from Grande Mine (La Marqueza Mine), Marqueza, Arqueros Ag Mining District, La Serena, Elqui Province, Coquimbo Region, Chile.
  Cu₆PbS₄

• Alite
  syn. of Halite

• Alite (of Törnebohm)
  syn. of Hatrurite

• Alith
  syn. of Hatrurite

• Aliuminis
  syn. of Aluminium

• Alizite
  syn. of Alipite

• Aljez
  syn. of Gypsum

• Alkali-apatite
  Group name from alkali-bearing members of the Apatite group. Also includes the Apatite-like minerals Dehrnite and Lewistonite

• Alkali-Augite
  syn. of Aegirine-augite

• Alkali-bearing Manganocummingtonite
  syn. of Parvowinchite

• Alkali-beryl
  var. of Beryl

• Alkalidavyne
  syn. of Natrodavyne

• Alkali Feldspar
  syn. of Albite, Anorthoclase, Microcline, Orthoclase, Sanidine

• Alkali-femaghastingsite
  var. of Hastingsite

• Alkali-ferrohastingsite
  var. of Hastingsite

• Alkali-garnet
  Group name for members of the Sodalite group.

• Alkali-Hastingsite
  Group name for Alkali-rich Hastingsite varieties

• Alkali-Montmorillonite
  Group name for Na and K Montmorillonite varieties.

• Alkali orientale impurum terrestre
  syn. of Trona

• Alkali-oxyapatite
  var. of Apatite-(CaOH)

• Alkali-spinel
  var. of Spinel

• Alkali volatil vitriolé
  syn. of Mascagnite

• Alkanasul
  syn. of Natroalunite

• Alkinite
  A discredited term referring to a compound of lead, copper, bismuth, and sulfur.

• Allabogdanite
  Orthorhombic
  (Fe,Ni)₂P
• Allactite
  Monoclinic
  Mn²⁺₇(AsO₄)₂(OH)₈

• Allagite
  Silicate and carbonate of Mn3+. Possibly an altered Rhodonite. Originally reported from Schävenholz (Schebenholz; Schäbenholz), Elbingerode, Wernigerode, Harz Mts, Saxony-Anhalt, Germany.

• Allaktite
  syn. of Allactite

• Allanite
  syn. of Allanite-(Ce), Allanite-(La), Allanite-(Y)

• Allanite-(Ce)
  Monoclinic
  {CaCe}{Al₂Fe²⁺}[O|OH|SiO₄|Si₂O₇]

• Allanite-Epidote
  var. of Epidote

• Allanite-(La)
  Monoclinic
  {CaLa}{Al₂Fe²⁺}[O|OH|SiO₄|Si₂O₇]
• Allanite-(Y)
  Monoclinic
  {CaY}{Al₂Fe²⁺}[O|OH|SiO₄|Si₂O₇]

• Allanit-(La)
  syn. of Allanite-(La)

• Allanpringite
  Monoclinic
  Fe³⁺₃[(OH)₃|(PO₄)₂] · 5H₂O