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Mineral Index - G

• Grovesite
  syn. of Pennantite

• Gruenlingite
  syn. of Grunlingite

• Grumantite
  Orthorhombic
  Na[Si₂O₄(OH)]·H₂O
• Grumiplucite
  Monoclinic
  HgBi₂S₄

• Grünauite
  syn. of Polydymite

• Grünbleierz
  syn. of Pyromorphite

• Grünblende
  var. of Aegirine-augite

• Grün Bleyerz
  syn. of Pyromorphite

• Grüneisenerde
  syn. of Dufrénite

• Grüneisenerz
  syn. of Dufrénite

• Grüneisenstein, strahlicher, ochricher
  syn. of Dufrénite

• Grünerde
  syn. of Celadonite

• Grüner Glimmer
  syn. of Torbernite

• Grunerite
  Monoclinic
  [ ][Fe²⁺₂][Fe²⁺₅][(OH)₂|Si₈O₂₂]

• Grünes Bittersalz
  syn. of Ferroan Epsomite

• Grünkupfer
  syn. of Malachite

• Grunlingite
  syn. of Bismuthinite, Ingodite, Joséite-A

• Grup de l'Olivina
  syn. of Olivine

• Gruppo degli spinelli
  syn. of Spinel

• Gruzdevite
  Trigonal
  Cu₆Hg₃Sb₄S₁₂

• Guadalcazarite
  var. of Metacinnabar

• Guadarramite
  var. of Ilmenite

• Guanacoite
  Monoclinic
  Cu₂Mg₂(Mg_0.5Cu_0.5)[(OH)₂|AsO₄]₂ · 4H₂O
• Guanajuatite
  Orthorhombic
  Bi₂(Se,S)₃

• Guañapite
  syn. of Oxammite

• Guanglinite
  syn. of Isomertieite
  Orthorhombic

• Guanin
  syn. of Guanine

• Guanine
  Monoclinic
  C₅H₅N₅O

• Guanite
  syn. of Struvite

• Guarinite
  A silicate and fluoride of Na, Ca and Zr. See also Clinoguarinite and Orthoguarinite. Possibly a mixture of Hiortdahlite and Wöhlerite. Originally reported from Monte Somma, Somma-Vesuvius Complex, Naples Province, ...
  (Na, Ca, Zr, Si, F, O)

• Guarinoite
  Hexagonal
  (Zn,Co,Ni)₆[(OH,Cl)₁₀|SO₄] · 5H₂O

• Guayacanite
  syn. of Enargite

• Gudmundite
  Monoclinic
  FeSbS

• Guejarite
  syn. of Chalcostibite

• Guérinite
  Monoclinic
  Ca₅[(HAsO₄)₂|(AsO₄)₂] · 9H₂O
• Guettardite
  Monoclinic
  Pb(Sb,As)₂S₄
• Gugiaite
  Tetragonal
  Ca₂Be[Si₂O₇]
• Guildite
  Monoclinic
  CuFe³⁺[OH|(SO₄)₂] · 4H₂O
• Guilleminite
  Orthorhombic
  Ba(UO₂)₃(SeO₃)₂(OH)₄·3H₂O
• Guimarãesite
  Monoclinic
  Ca₂(Zn,Mg,Fe²⁺)₅Be₄[(OH)₄|(PO₄)₆] · 6H₂O

• Guimaraesite (of Gagarin & Cuomo)
  syn. of Euxenite-(Y)

• Guitermanite
  Uncertain material, may be a mixture. Originally reported from Zuni Mine (Zuñi Mine), Anvil Mountain, Silverton, Silverton District, San Juan Co., Colorado, USA.
  Pb₁₀As₆S₁₉ (?)

• Guix
  syn. of Gypsum

• Gul Atrament Sten
  syn. of Copiapite

• Guld
  syn. of Gold

• Gul Jernmalm
  syn. of Limonite

• Gull
  syn. of Gold

• Gümbelite
  syn. of Hydromuscovite

• Gumbrine
  syn. of Montmorillonite

• Gum Lead
  syn. of Plumbogummite

• Gummibleispath
  syn. of Plumbogummite

• Gummierz
  syn. of Gummite

• Gummiet
  syn. of Gummite

• Gummispath
  syn. of Plumbogummite

• Gummistein
  syn. of Opal-AN

• Gummite
  mixture of Boltwoodite, Clarkeite, Curite, Kasolite, Soddyite, Uraninite, Uranophane

• Gummite (of Breithaupt)
  syn. of Halloysite

• Gumucionite
  Variety of Sphalerite from Bolivia. Raspberry red in colour, containing 0.64% As. Thought to be caused by admixed Realgar througout. Similar material from Chile contained 1.7% As uniformly distributed.

• Gümüş
  syn. of Silver

• Gunnarite
  Doubtful mineral, probably an impure Pentlandite. Originally described from Ruda nickel mine, Finspång, Östergötland, Sweden.
  Near Fe₃Ni₂S₈

• Gunnbjarnite
  var. of Sepiolite
  (Mg,Ca,Fe)₃(Fe,Al)₂Si₆O₁₈·3H₂O

• Gunningite
  Monoclinic
  (Zn,Mn)SO₄·H₂O

• Gunnisonite
  Very doubtful aluminosilicate and fluoride of calcium, probably an impure Fluorite. Originally described from Iron Hill, White Earth District (Powderhorn District), Gunnison Co., Colorado, USA.

• Gupeiite
  Isometric
  Fe₃Si

• Gurhofian
  var. of Dolomite

• Gurhofite
  syn. of Gurhofian

• Gurolite
  syn. of Gyrolite

• Gustavite
  Orthorhombic
  Ag₃Pb₅Bi₁₁S₂₄

• Gustavite-Lillianite Series
  a series between Gustavite and Lillianite
  Orthorhombic

• Gutkovaite-Mn
  Monoclinic
  K₂CaMn(Ti,Nb)₄[(O,OH)₂|Si₄O₁₂]₂ · 5H₂O

• Gutsevichite
  Originally reported from Kurumsak V Deposit, Kurumsak River Valley, Karatau Range, Ongtüstik Qazaqstan Oblysy (Southern-Kazakhstan Oblast'), Kazakhstan.
  Isometric
  Al₃[(OH)₃|(PO₄)₂] · 8H₂O

• Guyanaite
  Orthorhombic
  CrO(OH)
• Gwihabaite
  Orthorhombic
  (NH₄,K)NO₃

• Gwindel Quartz
  syn. of Gwindle Quartz

• Gwindel-Quarz
  syn. of Gwindle Quartz