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Mineral Index - G

• Germanium-phenakite
  An artificial Ge analogue of phenakite.
  Be₂GeO₄

• Germanocolusite
  Isometric
  Cu₂₆V₂(Ge,As)₆S₃₂

• Germarite
  syn. of Hypersthene

• Gersbyite
  syn. of Lazulite

• Gersdorffite
  Isometric
  NiAsS

• Gerstenkörner
  syn. of Barleycorn

• Gerstleyite
  Monoclinic
  Na₂(Sb,As)₈S₁₃·2H₂O
• Gerstmannite
  Orthorhombic
  (Mg,Mn²⁺)Zn[(OH)₂|SiO₄]

• Gertfisherite
  syn. of Djerfisherite

• Geso
  syn. of Gypsum

• Gesso
  syn. of Gypsum

• Getchellite
  Monoclinic
  AsSbS₃

• Getitas
  syn. of Goethite

• Geversite
  Isometric
  PtSb₂

• Gewässertes Manganperoxydul
  syn. of Hausmannite

• Geyerite
  var. of Löllingite
  Fe(As,S)₂

• Geyserite
  var. of Siliceous sinter

• Ghassoulite
  syn. of Hectorite

• Ghiaccio
  syn. of Ice

• Giada
  syn. of Jade

• Gianellaite
  Isometric
  [Hg₂N]⁺₂SO₄

• Giannettite
  syn. of Hainite

• Gibbsiet
  syn. of Gibbsite

• Gibbsite
  Monoclinic
  Al(OH)₃

• Gibbsite (of Hermann)
  syn. of Richmondite (of Kenngott)

• Gibbsite (of Torrey)
  syn. of Gibbsite

• Gibbsitogelite
  syn. of Gibbsite

• Gibbsyt
  syn. of Gibbsite

• Gibralter Stone
  syn. of Limestone Onyx

• Gieseckite
  var. of Muscovite

• Giessenite
  Monoclinic
  Pb₂₇Cu₂(Bi,Sb)₁₉S₅₇

• Giessenite-Izoklakeite Series
  a series between Giessenite and Izoklakeite

• Gigantolite
  A mixture of Muscovite and Biotite forming Pinitic pseudomorphs after Cordierite

• Gilalite
  Monoclinic
  Cu₅Si₆O₁₇·7H₂O

• Gilbertite
  var. of Muscovite

• Gillardite
  Trigonal
  Cu₃NiCl₂(OH)₆

• Gillebachite
  syn. of Wollastonite

• Gillebäckite
  syn. of Wollastonite

• Gillespite
  Tetragonal
  BaFe²⁺[Si₄O₁₀]

• Gillingite
  An ill-defined silicate of ferric iron. Originally described from Gillinge mine, Svärta ore field, Nyköping, Södermanland, Sweden.

• Gillulyite
  Monoclinic
  Tl₂(As,Sb)₈S₁₃
• Gilmarite
  Triclinic
  Cu₃[(OH)₃|AsO₄]

• Gilpinite
  var. of Johannite
  (Cu,Fe²⁺)(UO₂)₂(SO₄)₂(OH)₂·6H₂O

• Gilsonite
  syn. of Uintahite

• Gilstein
  syn. of Talc

• Gim
  syn. of Gold

• Gimnite
  syn. of Deweylite

• Giniite
  Monoclinic
  Fe²⁺Fe³⁺₄[(OH)₅|(PO₄)₃] · 2H₂O
• Ginorite
  Monoclinic
  Ca₂B₁₄O₂₃·8H₂O

• Gintaras
  syn. of Amber

• Ginto
  syn. of Gold

• Gintu
  syn. of Gold

• Ginzburgite (of Chukhrov)
  var. of Clay

• Ginzburgite (of Voloshin et al.)
  syn. of Roggianite

• Giobertite
  syn. of Magnesite

• Giok
  syn. of Jade

• Giorgiosite
  Inadequately described. Compare hydromagnesite.
  Mg₅[(CO₃)₄(OH)₂] · 4H₂O

• Gips
  syn. of Gypsum

• Gipsas
  syn. of Gypsum

• Ģipsis
  syn. of Gypsum

• Gipso
  syn. of Gypsum

• Gipsoŝtono
  syn. of Gypsum

• Gipsrose
  syn. of Gypsum

• Gipsz
  syn. of Gypsum

• Giraudite
  (Cu,Zn,Ag)₁₂(As,Sb)₄(Se,S)₁₃
• Girdite
  Monoclinic
  Pb₃H₂[Te⁴⁺O₃|Te⁶⁺O₆]
• Girvasite
  Monoclinic
  NaCa₂Mg₃[(OH)₂|CO₃|H₂PO₄|(PO₄)₂] · 4H₂O

• Gismondin
  syn. of Gismondine

• Gismondine
  Monoclinic
  Ca[Al₂Si₂O₈]·4.5H₂O

• Gismondine-Ba
  The Ba analogue of gismondine-Ca. Observed as a secondary compound in slag.
  Ba₂Al₄Si₄O₁₆·4-6H₂O

• Gismondine-Ca
  CaAl₂Si₂O₈·4H₂O
• Gittinsite
  Monoclinic
  CaZr[Si₂O₇]
• Giuseppettite
  Hexagonal
  (Na,K,Ca)_7-8[(SO₄,Cl)_1-2|Al₆Si₆O₂₄]

• Gjellebäckite
  syn. of Wollastonite

• Gjerdingenite-Ca
  Monoclinic
  K₂Ca(Nb,Ti)₄[(O,OH)₂|Si₄O₁₂]₂ · 6H₂O