Gabrielsonite PbFe++(AsO4)(OH)
Gadolinite-(Ce) (Ce,La,Nd,Y)2Fe++Be2Si2O10
Gadolinite-(Y) Y2Fe++Be2Si2O10
Gagarinite-(Y) Nakalifite
NaCaY(F,Cl)6
Gageite (Mn,Mg,Zn)42Si16O54(OH)40
Gageite-2M (Mn,Mg,Zn)42Si16O54(OH)40
Gahnite Zinc Spinal
ZnAl2O4
Gaidonnayite Na2ZrSi3O9·2(H2O)
Gainesite NaNa(Be,Li)(Zr,Zn)2(PO4)4·1-2(H2O)
Gaitite Ca2Zn(AsO4)2·2(H2O)
Galaxite (Mn,Mg)(Al,Fe+++)2O4
Galeite Na15(SO4)5F4Cl
Galena Blue Lead
Lead Glance
PbS
Galenobismutite PbBi2S4
Galileiite IMA1996-028
NaFe++4(PO4)3
Galkhaite (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12
Gallite CuGaS2
Gallobeudantite IMA1994-021
PbGa3[(AsO4),(SO4)]2(OH)6
Gamagarite Ba2(Fe+++,Mn+++)(VO4)2(OH)
Gananite BiF3
Ganomalite Pb9Ca5Mn++Si9O33
Ganophyllite (K,Na)2(Mn,Al,Mg)8(Si,Al)40O96(OH)16·21(H2O)
Gaotaiite IMA1993-017
Ir3Te8
Garavellite FeSbBiS4
Garrelsite-V Ba3NaSi2B7O16(OH)4
Garrelsite-VIII Ba3NaSi2B7O16(OH)4
Garronite Na2Ca5Al12Si20O64·27(H2O)
Gartrellite Pb(Cu,Fe++)2(AsO4,SO4)2(CO3,H2O)0.7
Garyansellite (Mg,Fe+++)3(PO4)2(OH,O)·1,5(H2O)
Gasparite-(Ce) CeAsO4
Gaspeite (Ni,Mg,Fe++)CO3
Gatehouseite Mn++5(PO4)2(OH)4
Gatumbaite CaAl2(PO4)2(OH)2·(H2O)
Gaudefroyite Ca4Mn+++3-x(BO3)3(CO3)(O,OH)3
Gaultite IMA1992-040
Na4Zn2Si7O18·5(H2O)
Gaylussite Gay Lussite
Natrocalcite
Na2Ca(CO3)2·5(H2O)
Gearksutite CaAl(OH,F)5·(H2O)
Gebhardite Pb8(As+++2O5)2OCl6
Gedrite [ ]Mg5Al2Si6Al2O22(OH)2
Geerite Cu8S5
Geffroyite (Ag,Cu,Fe)9(Se,S)8
Gehlenite Ca2Al(AlSi)O7
Geigerite Mn5(AsO3OH)2(AsO4)2·10(H2O)
Geikielite MgTiO3
Geminite Trichalcite
Cu++2As+++++2O7·3(H2O)
Genkinite (Pt,Pd)4Sb3
Genthelvite Zn4Be3(SiO4)3S
Geocronite Kilbrickenite
Pb14(Sb,As)6S23
Georgbokiite IMA1996-015
Cu5O2(SeO3)2Cl2
Georgechaoite KNaZrSi3O9·2(H2O)
Georgeericksenite IMA1996-049
Na6CaMg(IO3)6(CrO4)2·12(H2O)
Georgeite Cu++5(CO3)3(OH)4·6(H2O)
Georgiadesite Pb4(AsO3)Cl4(OH)
Gerasimovskite (Mn,Ca)(Nb,Ti)5O12·9(H2O) (?)
Gerdtremmelite ZnAl2(AsO4)(OH)5
Gerenite-(Y) IMA1993-034
(Ca,Na)2(Y,REE)3Si6O18·2(H2O)
Gerhardtite Cu2(NO3)(OH)3
Germanite Cu26Fe4Ge4S32
Germanocolusite Cu13V(Ge,As)3S16
Gersdorffite Gray nickel pyrites
Nickel glance
NiAsS
Gerstleyite Na2(Sb,As)8S13·2(H2O)
Gerstmannite (Mg,Mn)2ZnSiO4(OH)2
Getchellite AsSbS3
Geversite Pt(Sb,Bi)2
Gianellaite Hg4(SO4)N2
Gibbsite Hydrargyllite
Al(OH)3
Giessenite Pb13(Cu,Ag)(Bi,Sb)9S28 (?)
Gilalite Cu5Si6O17·7(H2O)
Gillespite BaFe++Si4O10
Gillulyite Tl2(As,Sb)8S13
Gilmarite IMA1996-017
Cu3(AsO4)(OH)3
Giniite Fe++Fe+++4(PO4)4(OH)2·2(H2O)
Ginorite Ca2B14O23·8(H2O)
Giorgiosite Mg5(CO3)4(OH)2·5(H2O)
Giraudite (Cu,Zn,Ag)12(As,Sb)4(Se,S)13
Girdite Pb3H2(Te++++O3)(Te++++++O6)
Girvasite NaCa2Mg3(PO4)2[PO2(OH)2](CO3)(OH)2·4(H2O)
Gismondine Abrazite
Aricite
Gismondite
Ca2Al4Si4O16·9(H2O)
Gittinsite CaZrSi2O7
Giuseppettite (Na,K,Ca)7-8(Si,Al)12O24(SO4,Cl)1-2
Gladite PbCuBi5S9
Gladiusite IMA1998-011
Fe+++2(Fe++,Mg)4(PO4)(OH)13·H2O
Glauberite Glauber's Salt
Na2Ca(SO4)2
Glaucocerinite (Zn,Cu)5Al3(SO4)1.5(OH)16·9(H2O)
Glaucochroite CaMnSiO4
Glaucodot (Co,Fe)AsS
Glauconite (K,Na)(Fe+++,Al,Mg)2(Si,Al)4O10(OH)2
Glaucophane [ ]Na2(Mg3Al2)Si8O22(OH)2
Glaukosphaerite (Cu,Ni)2(CO3)(OH)2
Glucine CaBe4(PO4)2(OH)4·0.5(H2O)
Glushinskite Magnesium Oxalate
Mg(C2O4)·2(H2O)
Gmelinite (Na2,Ca)Al2Si4O12·6(H2O)
Gmelinite-Ca (Ca,Na2)Al2Si4O12·6(H2O)
Gmelinite-K IMA1999-039
(K,Na,Ca)(Al7Si17O48)·22H2O
Gmelinite-Na (Na2,Ca)Al2Si4O12·6(H2O)
Gobbinsite (Na2,Ca)2K2Al6Si10O32·12(H2O)
Godlevskite (Ni,Fe)7S6
Godovikovite (NH4)(Al,Fe+++)(SO4)2
Goedkenite (Sr,Ca)2Al(PO4)2(OH)
Goethite Acicular iron ore
Limonite
Needle ironstone
Fe+++O(OH)
Gold Electrum - Ag Alloy
Oro
Au
Goldamalgam (Au,Ag)Hg
Goldfieldite Cu12(Te,Sb,As)4S13
Goldichite KFe+++(SO4)2·4(H2O)
Goldmanite Ca3(V,Al,Fe+++)2(SiO4)3
Gonnardite Na2CaAl4Si6O20·7(H2O)
Gonyerite Mn++3[Mn++3Fe+++][(Si,Fe+++)4O10](OH,O)8
Goosecreekite CaAl2Si6O16·5(H2O)
Gorceixite Fava pebbles
BaAl3(PO4)(PO3OH)(OH)6
Gordaite IMA1996-006
NaZn(SO4)(OH)6Cl·6(H2O)
Gordonite MgAl2(PO4)2(OH)2·8(H2O)
Gorgeyite Goergeyite
K2Ca5(SO4)6·(H2O)
Gormanite Fe++3Al4(PO4)4(OH)6·2(H2O)
Gortdrumite (Cu,Fe)6Hg2S5
Goslarite ZnSO4·7(H2O)
Gottardiite IMA1994-054
Na3Mg3Ca5Al19Si117O272·93(H2O)
Gottlobite IMA1998-066
CaMg(VO4,AsO4)(OH)
Gotzenite Calcium rinkite
Goetzenite
(Ca,Na)3(Ti,Al)Si2O7(F,OH)2
Goudeyite (Al,Y)Cu6(AsO4)3(OH)6·3(H2O)
Gowerite CaB6O10·5(H2O)
Goyazite Hamlinite
Lusungite
Bowmanite
SrAl3(PO4)2(OH)5·(H2O)
Graemite CuTeO3·(H2O)
Graeserite IMA1996-010
(Fe+++,Ti)4Ti3AsO13(OH)
Graftonite (Fe++,Mn,Ca)3(PO4)2
Grandidierite (Mg,Fe++)Al3(BO4)(SiO4)O
Grandreefite Pb2SO4F2
Grantsite Na4CaxV++++2xV+++++12-2xO32·8(H2O)
Graphite Black Lead
Plumbago
C
Gratonite Pb9As4S15
Grattarolaite IMA1995-037
Fe+++3O3(PO4)
Gravegliaite Mn++(SO3)·3(H2O)
Grayite (Th,Pb,Ca)PO4·(H2O)
Grechishchevite Hg3S2(Br,Cl,I)2
Greenalite (Fe++,Fe+++)2-3Si2O5(OH)4
Greenockite CdS
Gregoryite (Na2,K2,Ca)CO3
Greigite Melnikovite
Fe++Fe+++2S4
Griceite LiF
Griffithite 4(Mg,Fe,Ca)O.(Al,Fe)2O3.5SiO2·7(H2O)
Grimaldiite Cr+++O(OH)
Grimselite K3Na(UO2)(CO3)3·(H2O)
Griphite Ca(Mn,Na,Li)6Fe++Al2(PO4)6(F,OH)2
Grischunite NaCa2Mn++5Fe+++(AsO4)6·2(H2O)
Grossite CaAl4O7
Grossular Tsavorite - emerald green
Hessonite - brownish orange
Grossularite
Ca3Al2(SiO4)3
Groutite Mn+++O(OH)
Grumantite NaHSi2O5·(H2O)
Grumiplucite IMA1997-021
HgBi2S4
Grunerite Amosite
[ ]Fe++7Si8O22(OH)2
Gruzdevite Cu6Hg3Sb4S12
Guanajuatite Bi2Se3
Guanine C5H3(NH2)N4O
Guarinoite (Zn,Co,Ni)6(SO4)(OH,Cl)10·5(H2O)
Gudmundite FeSbS
Guerinite Ca5(AsO3OH)2(AsO4)2·9(H2O)
Guettardite Pb(Sb,As)2S4
Gugiaite Ca2BeSi2O7
Guildite CuFe+++(SO4)2(OH)·4(H2O)
Guilleminite Ba(UO2)3(SeO3)2O2·3(H2O)
Gunningite (Zn,Mn)SO4·(H2O)
Gupeiite Fe3Si
Gustavite PbAgBi3S6 (?)
Gutsevichite Al3(PO4)2(OH)3·8(H2O)
Guyanaite CrO(OH)
Gwihabaite (NH4,K)(NO3)
Gypsum Alabaster
Selenite
Satin Spar
CaSO4·2(H2O)
Gyrolite Centrallasite
NaCa16Si23AlO60(OH)8·64(H2O)
Gysinite-(Nd) Pb(Nd,La)(CO3)2(OH)·(H2O)