List of minerals recognized by the International Mineralogical Association (G)

Ga – Ge



 * 1) Gabrielite (IMA2002-053) 2.HD.60 (IUPAC: dithallium silver dicopper heptasulfur triarsenide)
 * 2) Gabrielsonite (IMA2017-G, IMA1966-011) 8.BH.35 (IUPAC: lead iron(III) hydro arsenite)
 * 3) Gachingite (IMA2021-008) [no] [no]
 * 4) Gadolinite 9.AJ.20 (IUPAC: diREE iron(II) diberyllium dioxy disilicate)
 * 5) Gadolinite-(Ce) (IMA1987 s.p., 1978) 9.AJ.20
 * 6) Gadolinite-(Nd) (IMA2016-013) 9.AJ.20 [no] [no]
 * 7) Gadolinite-(Y) (IMA1987 s.p., 1802) 9.AJ.20
 * 8) Gagarinite (gagarinite) 3.AB.35 (IUPAC: sodium calcium REE hexafluoride)
 * 9) Gagarinite-(Ce) (IMA2010-C, IMA1993-038 Rd) 3.AB.35
 * 10) Gagarinite-(Y) (IMA1967 s.p., 1961) 3.AB.35
 * 11) Gageite (Y: 1910) 9.DH.35
 * 12) Gahnite (spinel, spinel: 1807) 4.BB.05 (IUPAC: zinc dialuminium tetraoxide)
 * 13) Gaidonnayite (gaidonnayite: IMA1973-008) 9.DM.15 (IUPAC: disodium zirconium trisilicate nonaoxy hydrate)
 * 14) Gainesite (IMA1978-020) 8.CA.20
 * 15) Gaitite (fairfieldite: IMA1978-047) 8.CG.05  (IUPAC: dicalcium zinc diarsenate dihydrate)
 * 16) Gajardoite (IMA2015-040) 4.0 [no] [no]
 * 17) Galaxite (spinel, spinel: 1932) 4.BB.05 (IUPAC: manganese(II) dialuminium tetraoxide)
 * 18) Galeaclolusite (IMA2020-052) 8.DD [no] [no]
 * 19) Galeite (IMA1967 s.p., 1963) 7.BD.10 (IUPAC: pentadecasodium chloro tetrafluoro pentasulfate)
 * 20) Galena (galena, rocksalt: Pliny the Elder) 2.CD.10 (IUPAC: lead sulfide)
 * 21) Galenobismutite (kobellite: 1878) 2.JC.25e (IUPAC: lead dibismuth tetrasulfide)
 * 22) Galgenbergite-(Ce) (IMA1997-036) 5.CC.40 (IUPAC: calcium dicerium tetracarbonate monohydrate)
 * 23) Galileiite (fillowite: IMA1996-028) 8.AC.50 (IUPAC: sodium tetrairon(II) triphosphate)
 * 24) Galkhaite (tennantite: IMA1971-029) 2.GB.20 (IUPAC: (pentamercury copper) caesium dodecasulfide tetrarsenide)
 * 25) Galliskiite (IMA2009-038) 8.0 [no] [no] (IUPAC: tetracalcium dialuminium octafluoro diphosphate pentahydrate)
 * 26) Gallite (chalcopyrite: 1958) 2.CB.10a (IUPAC: copper gallium disulfide)
 * 27) Gallobeudantite (beudantite, alunite: IMA1994-021) 8.BL.05 (IUPAC: lead trigallium hexahydro arsenate sulfate)
 * 28) Galloplumbogummite (alunite, crandallite: IMA2010-088) 8.B?. [no] [no]
 * 29) Galuskinite (IMA2010-075) 9.0 [no] (IUPAC: heptacalcium trisilicate carbonate)
 * 30) Gamagarite (brackebuschite: 1943) 8.BG.05 (IUPAC: dibarium iron(III) hydro divanadate)
 * 31) Gananite (IMA1983-006) 3.AC.20 (IUPAC: bismuth trifluoride)
 * 32) Ganomalite (ganomalite: 1876) 9.BG.25 (IUPAC: nonalead hexacalcium tetra(heptaoxodisilicate) oxy(tetraoxysilicate))
 * 33) Ganophyllite (Y: 1890) 9.EG.30
 * 34) Ganterite (mica: IMA2000-033) 9.EC.15
 * 35) Gaotaiite (pyrite: IMA1993-017) 2.EB.05a (IUPAC: triiridium octatelluride)
 * 36) Garavellite (berthierite: IMA1978-018) 2.HA.20 (IUPAC: iron tetrasulfa antimonide bismuthide)
 * 37) Garmite (mica: IMA2017-008) 9.E?. [no] [no] (IUPAC: caesium lithium dimagnesium (decaoxytetrasilicate) difluoride)
 * 38) Garpenbergite (IMA2020-099) [no] [no]
 * 39) Garrelsite (Y: 1955) 9.AJ.15
 * 40) Garronite (zeolitic tectosilicate) 9.GC.05
 * 41) Garronite-Ca (IMA1997 s.p., 1962) 9.GC.05
 * 42) Garronite-Na (IMA2015-15) 9.GC.05 [no]
 * 43) Gartrellite (tsumcorite: IMA1988-039 Rd) 8.CG.20 (IUPAC: lead copper iron(III) hydro diarsenate monohydrate)
 * 44) Garutiite (alloy: IMA2008-055) 1.AG.05 [no] (IUPAC: (nickel,iron,iridium) alloy)
 * 45) Garyansellite (reddingite: IMA1981-019) 8.CC.05 (IUPAC: dimagnesium iron(III) hydro diphosphate dihydrate)
 * 46) Gasparite (monazite) 8.AD.50 (IUPAC: REE arsenate)
 * 47) Gasparite-(Ce) (IMA1986-031) 8.AD.50
 * 48) Gasparite-(La) (IMA2018-079) 8.AD.50 [no] [no]
 * 49) Gaspéite (calcite: IMA1965-029) 5.AB.05 Gaspéite Gaspeite Mineral Data (IUPAC: nickel carbonate)
 * 50) Gatedalite (braunite: IMA2013-091) 9.A?. [no] [no] (IUPAC: zirconium dimanganese(II) tetramanganese(III) octaoxy tetraoxysilicate)
 * 51) Gatehouseite (arsenoclasite: IMA1992-016) 8.BD.10 Gatehouseite Gatehouseite Mineral Data (IUPAC: pentamanganese tetrahydro diphosphate)
 * 52) Gatelite-(Ce) (gatelite: IMA2001-050) 9.BG.50 [no]
 * 53) Gatewayite (polyoxometalate: IMA2014-096) 4.0 [no] [no]
 * 54) Gatumbaite (IMA1976-019) 8.DJ.10 Gatumbaite Mineral Data (IUPAC: calcium dialuminium dihydro diphosphate monohydrate)
 * 55) Gaudefroyite (IMA1964-006) 6.AB.60 Gaudefroyite Mineral Data (IUPAC: tetracalcium trimanganese(III) trioxo triborate carbonate)
 * 56) Gaultite (zeolitic tectosilicate: IMA1992-040) 9.GF.20 Gaultite Mineral Data [no]
 * 57) Gauthierite (IMA2016-004) 4.0 Gauthierite [no] [no] (IUPAC: potassium lead heptauranyl heptahydro pentoxide octahydrate)
 * 58) Gayite (dufrenite: IMA2008-056) 8.DK.15 Gayite [no] [no] (IUPAC: sodium manganese(II) pentairon(III) hexahydro tetraphosphate diphosphate)
 * 59) Gaylussite (Y: 1826) 5.CB.35 (IUPAC: disodium calcium dicarbonate pentahydrate)
 * 60) Gazeevite (zadovite, arctite: IMA2015-037) 9.0 [no] [no] (IUPAC: barium hexacalcium di(tetraoxysilicate) oxo(disulfate))
 * 61) Gearksutite (IMA1962 s.p., 1868) 3.CC.05 (IUPAC: calcium hydro tetrafluoroaluminate monohydrate)
 * 62) Gebhardite (IMA1979-071) 4.JB.50 (IUPAC: octalead hexachloro di(pentoxydiarsenic) oxide)
 * 63) Gedrite [Mg-Fe-Mn-amphibole: IMA2012 s.p., 1836] 9.DD.05
 * 64) Geerite (IMA1978-024) 2.BA.05  (IUPAC: octacopper pentasulfide)
 * 65) Geffroyite (pentlandite: IMA1980-090) 2.BB.15
 * 66) Gehlenite (melilite: 1815) 9.BB.10 (IUPAC: dicalcium aluminium (heptaoxyalumosilicate))
 * 67) Geigerite (lindackerite: IMA1985-028) 8.CE.05 Geigerite Mineral Data  (IUPAC: pentamanganese(II) diarsenate di(hydrogenarsenate) decahydrate)
 * 68) Geikielite (corundum: 1893) 4.CB.05 Geikielite Mineral Data  (IUPAC: magnesium titanium trioxide)
 * 69) Gelosaite (gelosaite: IMA2009-022) 7.0 [no] [no]
 * 70) Geminite (IMA1988-045) 8.CB.30 Geminite Mineral Data (IUPAC: copper(II) hydroxoarsenate monohydrate)
 * 71) Gengenbachite (IMA2001-003b) 8.CA.65  [no] (IUPAC: potassium triiron(III) di(dihydroxophosphate) tetrahydroxophosphate hexahydrate)
 * 72) Genkinite (IMA1976-051) 2.AC.35a  (IUPAC: tetraplatinum triantimonide)
 * 73) Genplesite (fleischerite: IMA2014-034) 7.0 [no] [no] (IUPAC: tricalcium tin hexahydro disulfate trihydrate)
 * 74) Genthelvite (cancrinite-sodalite: 1892) 9.FB.10  (IUPAC: triberyllium tetrazinc trisilicate sulfide)
 * 75) Geocronite (geocronite: 1839) 2.JB.30a
 * 76) Georgbarsanovite (eudialyte: IMA2003-013) 9.CO.10
 * 77) Georgbokiite (IMA1996-015) 4.JG.05  (IUPAC: pentacopper dioxo dichloro diselenite)
 * 78) Georgechaoite (IMA1984-024) 9.DM.15  (IUPAC: potassium sodium zirconium nonaoxytrisilicate dihydrate)
 * 79) George-ericksenite (IMA1996-049) 4.KD.10   (IUPAC: hexasodium calcium magnesium hexaiodate dichromate dodecahydrate)
 * 80) Georgeite (amorphous: IMA1977-004 Rd) 5.BA.10  (IUPAC: dicopper dihydro carbonate)
 * 81) Georgerobinsonite (IMA2009-068) 7.0 [no] [no] (IUPAC: tetralead dihydro fluoro chloro dichromate)
 * 82) Georgiadesite (Y: 1907) 4.JB.70  (IUPAC: tetralead tetrachloro hydro arsenite)
 * 83) Gerasimovskite (Y: 1957) 4.FM.25   (IUPAC: manganese(II) penta(titanium,niobium) dodecaoxide nonahydrate(?))
 * 84) Gerdtremmelite (IMA1983-049a) 8.BE.40   (IUPAC: zinc dialuminium pentahydro arsenate)
 * 85) Gerenite-(Y) (IMA1993-034) 9.CJ.45  [no]
 * 86) Gerhardtite (Y: 1885) 5.NB.05   (IUPAC: dicopper trihydro nitrate)
 * 87) Germanite (germanite: 1922) 2.CB.30   (IUPAC: tridecacopper diiron digermanium hexadecasulfide)
 * 88) Germanocolusite (germanite: IMA1991-044) 2.CB.30   (IUPAC: tridecacopper vanadium trigermanium hexadecasulfide)
 * 89) Gersdorffite (IMA1986 s.p., 1845 Rd) 2.EB.25  (IUPAC: nickel arsenide sulfide) Polytypes: Pa3 (pyrite group), P213 (ullmannite group), Pca21 (cobaltite group)
 * 90) Gerstleyite (Y: 1956) 2.HE.05  (IUPAC: disodium octa(antimonide,arsenide) tridecasulfide dihydrate)
 * 91) Gerstmannite (IMA1975-030) 9.AE.25   (IUPAC: manganese(II) magnesium zinc tetraoxysilicate tetrahydroxyl)
 * 92) Geschieberite (IMA2014-006) 7.0 [no] [no] (IUPAC: dipotassium uranyl disulfate dihydrate)
 * 93) Getchellite (IMA1965-010) 2.FA.35   (IUPAC: antimony arsenide trisulfide)
 * 94) Geversite (pyrite: IMA1967 s.p., 1961) 2.EB.05a   (IUPAC: platinum diantimonide)

Gh – Gy
(IUPAC: copper(II) tellurite monohydrate) (Fe3+4Ti3As3+O13(OH)) (IUPAC: iron(II) diiron(II) diphosphate) (IUPAC: calcium diiron(II) diphosphate) (IUPAC: manganese diiron(II) diphosphate) (IUPAC: nickel vanadium phosphide) (IUPAC: distrontium aluminium hydro diarsenate) (MgAl3O2(BO3)(SiO4)) (IUPAC: dilead difluoro sulfate) (Cu3Al9(SO4)2(OH)29)
 * 1) Ghiaraite (IMA2012-072) 3.0 [no] [no] (IUPAC: calcium dichloride tetrahydrate)
 * 2) Giacovazzoite (IMA2018-165) 7.0 [no] [no]
 * 3) Gianellaite (IMA1972-020) 3.DD.30   (IUPAC: hydrous di(dimercury nitride) sulfate)
 * 4) Gibbsite (IMA1962 s.p., 1822) 4.FE.10   (IUPAC: aluminium trihydroxide)
 * 5) Giessenite (kobellite: IMA1963-004) 2.HB.10b
 * 6) Giftgrubeite (hureaulite: IMA2016-102) 8.0 [no] [no] (IUPAC: calcium dimanganese dicalcium diarsenate di(hydroxoarsenate) tetrahydrate)
 * 7) Gilalite (IMA1979-021) 9.HE.05   (Cu5Si6O17·7H2O)
 * 8) Gillardite (atacamite: IMA2006-041) 3.DA.10c  [no] (IUPAC: tricopper(II) nickel dichloride hexahydroxide)
 * 9) Gillespite (gillespite: 1922) 9.EA.05   (BaFe2+Si4O10)
 * 10) Gillulyite (IMA1989-029) 2.JC.10   (Tl2As7.5Sb0.3S13)
 * 11) Gilmarite (gilmarite: IMA1996-017) 8.BE.25   (IUPAC: tricopper(II) trihydro arsenate)
 * 12) Giniite (IMA1977-017) 8.DB.50   (IUPAC: iron(II) tetrairon(III) dihydro tetraphosphate dihydrate)
 * 13) Ginorite (Y: 1934) 6.FC.15   (Ca2B14O20(OH)6·5H2O)
 * 14) GiorgiositeQ (Y: 1879) 5.DA.05
 * 15) Giraudite-(Zn) (tetrahedrite: IMA2018-K, IMA1980-089) 2.GB.05   (Cu6(Cu4Zn2)As4Se13)
 * 16) Girvasite (IMA1988-046) 8.DO.05   (NaCa2Mg3(PO4)2[PO2(OH)2](CO3)(OH)2·4H2O)
 * 17) Gismondine (zeolitic tectosilicate) 9.GC.05
 * 18) Gismondine-BaH (2001) 9.GC.05 [no] [no]
 * 19) Gismondine-Ca (IMA1997 s.p., 1817) 9.GC.05
 * 20) Gismondine-Sr (IMA2021-043) 9.GC.05 [no] [no] [no]
 * 21) Gittinsite (thortveitite: IMA1979-034) 9.BC.05   (IUPAC: calcium zirconium heptaoxo disilicate)
 * 22) Giuseppettite (cancrinite-sodalite: IMA1979-064) 9.FB.05
 * 23) Gjerdingenite (labuntsovite) 9.CE.30c
 * 24) Gjerdingenite-Ca (IMA2005-029) 9.CE.30c
 * 25) Gjerdingenite-Fe (IMA2001-009) 9.CE.30c  [no]
 * 26) Gjerdingenite-Mn (IMA2003-015) 9.CE.30c  [no]
 * 27) Gjerdingenite-Na (IMA2005-030) 9.CE.30c
 * 28) Gladite (meneghinite: 1924) 2.HB.05a   (CuPbBi5S9)
 * 29) Gladiusite (IMA1998-011) 8.DF.40   (IUPAC: diiron(III) tetrairon(II) undecahydro phosphate monohydrate)
 * 30) Gladkovskyite (IMA2018-098) 2.0 [no] [no] (MnTlAs3S6)
 * 31) Glagolevite (IMA2001-064) 9.EC.55  [no]
 * 32) Glauberite (Y: 1808) 7.AD.25   (IUPAC: disodium calcium disulfate)
 * 33) Glaucocerinite (hydrotalcite: 1932) 7.DD.35
 * 34) Glaucochroite (olivine: 1899) 9.AC.05   (IUPAC: calcium manganese(II) tetraoxysilicate)
 * 35) Glaucodot (arsenopyrite: 1849) 2.EB.10c   ((Co0.5Fe0.5)AsS)
 * 36) ( Glauconite, mica series (Y: 1927) 9.EC.   )
 * 37) Glaucophane [Na-amphibole: IMA2012 s.p., 1845] 9.DE.25
 * 38) Glaukosphaerite (malachite: IMA1972-028) 5.BA.10   (IUPAC: copper nickel dihydro carbonate)
 * 39) Glikinite (IMA2018-119) 7.0 [no] [no] (IUPAC: trizinc oxo(disulfate))
 * 40) Glucine (IMA1967 s.p., 1963) 8.DA.45   (CaBe4(PO4)2(OH)4·0.5H2O)
 * 41) Glushinskite (humboldtine: IMA1985-Q Rd) 10.AB.10   (IUPAC: magnesium oxalate dihydrate)
 * 42) Gmalimite (djerfisherite: IMA2019-007) 2.0 [no] [no] (K6☐Fe2+24S27)
 * 43) Gmelinite (zeolitic tectosilicate) 9.GD.05
 * 44) Gmelinite-Ca (IMA1997 s.p.) 9.GD.05  [no]
 * 45) Gmelinite-K (IMA1999-039) 9.GD.05  [no]
 * 46) Gmelinite-Na (IMA1997 s.p., 1825) 9.GD.05
 * 47) Gobbinsite (zeolitic tectosilicate: IMA1980-070) 9.GC.05
 * 48) Gobelinite (ktenasite: IMA2018-167) 7.0 [no] [no] (IUPAC: cobalt tetracopper hexahydro disulfate hexahydrate)
 * 49) Godlevskite (pentlandite: IMA1968-032) 2.BB.15   (IUPAC: nona(nickel,iron) octasulfide)
 * 50) Godovikovite (sabieite: IMA1987-019) 7.AC.20   (IUPAC: ammonium aluminium disulfate)
 * 51) Goedkenite (brackebuschite: IMA1974-004) 8.BG.05   (IUPAC: distrontium aluminium hydro diphosphate)
 * 52) Goethite ("O(OH)" group: IMA1980 s.p., 1919) 4.F   (IUPAC: hydro α-iron(III) oxide)
 * 53) Gold (element: old) 1.AA.05
 * 54) Goldfieldite (tetrahedrite: IMA2018-K, 1909 Rd) 2.GB.05   ((Cu4☐2)Cu6Te4S13)
 * 55) Goldhillite (IMA2021-034) [no] [no]
 * 56) Goldichite (Y: 1955) 7.CC.40   (IUPAC: potassium iron(III) disulfate tetrahydrate)
 * 57) Goldmanite (garnet, garnet: IMA1963-003) 9.AD.25   (IUPAC: tricalcium divanadium(III) tri(tetraoxysilicate))
 * 58) Goldquarryite (IMA2001-058) 8.DB.65  [no] (IUPAC: copper dicadmium trialuminium trifluoro tetraphosphate decahydrate)
 * 59) Goldschmidtite (perovskite: IMA2018-034) 4.C [no] [no] (IUPAC: potassium niobium trioxide)
 * 60) Golyshevite (eudialyte: IMA2004-039) 9.CO.10
 * 61) Gonnardite (zeolitic tectosilicate: IMA1997 s.p., 1896 Rd) 9.GA.05
 * 62) Gonyerite (chlorite: 1955) 9.EC.55
 * 63) Goosecreekite (zeolitic tectosilicate: IMA1980-004) 9.GB.25
 * 64) Gorbunovite (mica: IMA2017-040) 9.E?. [no] [no]
 * 65) Gorceixite (alunite, crandallite: 1906) 8.BL.10   (IUPAC: barium trialuminium hexahydro phosphate hydroxophosphate)
 * 66) Gordaite (ktenasite: IMA1996-006) 7.DF.50   (IUPAC: sodium tetrazinc hexahydro chloro sulfate hexahydrate)
 * 67) Gordonite (laueite, laueite: 1930) 8.DC.30   (IUPAC: magnesium dialuminium dihydro diphosphate octahydrate)
 * 68) Gorerite (magnetoplumbite: IMA2019-080) 4.0 [no] [no]
 * 69) Görgeyite (Y: 1953) 7.CD.30   (IUPAC: dipotassium pentacalcium hexasulfate monohydrate)
 * 70) Gormanite (souzalite: IMA1977-030) 8.DC.45   (IUPAC: triiron(II) tetraluminium hexahydro tetraphosphate dihydrate)
 * 71) Gortdrumite (IMA1979-039) 2.BD.10   (Cu24Fe2Hg9S23)
 * 72) Goryainovite (IMA2015-090) 8.0 [no] [no] (IUPAC: dicalcium phosphate chloride)
 * 73) Goslarite (epsomite: 1845) 7.CB.40   (IUPAC: zinc sulfate heptahydrate)
 * 74) Gottardiite (zeolitic tectosilicate: IMA1994-054) 9.GF.10  [no]
 * 75) Gottlobite (adelite: IMA1998-066) 8.BH.35  [no] (IUPAC: calcium magnesium hydro vanadate)
 * 76) Götzenite (seidozerite, rinkite: IMA1962 s.p., 1957) 9.BE.22   (Ca4NaCa2Ti(Si2O7)2(OF)F2)
 * 77) Goudeyite (mixite: IMA1978-015) 8.DL.15   (IUPAC: hexacopper aluminium hexahydro triarsenate trihydrate)
 * 78) Gowerite (IMA1962 s.p., 1959) 6.EC.10   (Ca[B5O8(OH)][B(OH)3]*3H2O)
 * 79) Goyazite (alunite, crandallite: IMA1999 s.p., 1884 Rd) 8.BL.10   (IUPAC: strontium trialuminium hexahydro phosphate hydroxophosphate hydrate)
 * 80) Graemite (tellurite: IMA1974-022) 4.JM.15
 * 1) Graeserite (IMA1996-010) 4.JB.55  [no]
 * 1) Graftonite 8.AB.20
 * 2) Graftonite (Y: 1900) 8.AB.20
 * 1) Graftonite-(Ca) (IMA2017-048) 8.AB.20 [no] [no]
 * 1) Graftonite-(Mn) (IMA2017-050) 8.AB.20 [no] [no]
 * 1) Gramaccioliite-(Y) (crichtonite: IMA2001-034) 4.CC.40
 * 2) Grammatikopoulosite (phosphide: IMA2019-090) 1.0 [no] [no]
 * 1) Grandaite (brackebuschite: IMA2013-059) 8.B?. [no]
 * 1) Grandidierite (Y: 1902) 9.AJ.05
 * 1) Grandreefite (IMA1988-016) 7.BD.45
 * 1) Grandviewite (IMA2007-004) 7.BB.60  [no]
 * 1) Grantsite (hewettite: IMA1967 s.p., 1964) 4.HG.55
 * 2) Graphite (Y: 1789) 1.CB.05a
 * 3) Grațianite (berthierite: IMA2013-076) 2.0 [no] [no] (IUPAC: manganese dibismuth tetrasulfide)
 * 4) Gratonite (Y: 1940) 2.JB.55   (IUPAC: nonalead tetrarsenide pentadecasulfide)
 * 5) Grattarolaite (IMA1995-037) 8.BE.10   (IUPAC: triiron(III) trioxophosphate)
 * 6) Graulichite (alunite, crandallite) 8.BL.13 (IUPAC: REE triiron(III) hexahydro diarsenate)
 * 7) Graulichite-(Ce) (alunite, crandallite: IMA2002-001) 8.BL.13  [no]
 * 8) Graulichite-(La) (alunite, crandallite: IMA2020-093) 8.BL.13 [no] [no]
 * 9) Gravegliaite (gravegliaite: IMA1990-020) 4.JE.05   (IUPAC: manganese(II) sulfite trihydrate)
 * 10) Grayite (rhabdophane: 1957) 8.CJ.45   (IUPAC: thorium phosphate monohydrate)
 * 11) Grechishchevite (IMA1988-027) 2.FC.15c   (Hg3S2BrCl0.5I0.5)
 * 12) Greenalite (serpentine: 1903) 9.ED.15
 * 13) Greenlizardite (IMA2017-001) 7.E?. [no] [no] ((NH4)Na(UO2)2(SO4)2(OH)2*4H2O)
 * 14) Greenockite (wurtzite: 1840) 2.CB.45   (IUPAC: cadmium sulfide)
 * 15) Greenwoodite (IMA2010-007) 9.A?. [no]
 * 16) Gregoryite (IMA1981-045) 5.AA.10   (IUPAC: disodium carbonate)
 * 17) Greifensteinite (roscherite: IMA2001-044) 8.DA.10   (Ca2Be4Fe2+5(PO4)6(OH)4·6H2O)
 * 18) Greigite (spinel, linnaeite: IMA1963-007) 2.DA.05   (IUPAC: iron(II) diiron(III) tetrasulfide)
 * 19) Grenmarite (seidozerite, rinkite: IMA2003-024) 9.BE.25  [no] (Na2Zr2Na2MnZr(Si2O7)2O2F2)
 * 20) Grguricite (dresserite: IMA2019-123) 5.0 [no] [no] (IUPAC: calcium dichromium tetrahydro dicarbonate tetrahydrate)
 * 21) Griceite (halite, rocksalt: IMA1986-043) 3.AA.20   (IUPAC: lithium fluoride)
 * 22) Griffinite (IMA2021-110) 4.CB. [no] [no]
 * 23) Grigorievite (howardevansite: IMA2012-047) 8.0 [no]  (IUPAC: tricopper diiron(III) dialuminium hexavanadate)
 * 24) Grimaldiite ("O(OH)" group: IMA1967-036) 4.FE.20   (IUPAC: hydrochromium oxide)
 * 25) Grimmite (linnaeite: IMA2020-060) 2.0 [no] [no]
 * 26) Grimselite (IMA1971-040) 5.ED.35   (IUPAC: tripotassium sodium uranyl tricarbonate monohydrate)
 * 27) Griphite (Y: 1891) 8.BF.15
 * 28) Grischunite (wicksite: IMA1981-028) 8.CF.05
 * 29) Groatite (alluaudite: IMA2008-054) 8.AC.10 [no]  (☐NaCaMn2(PO4)(HPO4)2)
 * 30) Grokhovskyite (IMA2019-065) 2.0 [no] [no] (IUPAC: copper chromium disulfide)
 * 31) Grootfonteinite (IMA2015-051) 5.0 [no] [no] (IUPAC: trilead oxodicarbonate)
 * 32) Grossite (IMA1993-052) 4.CC.15   (IUPAC: calcium tetraluminium heptaoxide)
 * 33) Grossmanite (pyroxene: IMA2008-042a) 9.DA.15  [no]
 * 34) Grossular (garnet, garnet: IMA1962 s.p., 1811) 9.AD.25   (IUPAC: tricalcium dialuminium tri(tetraoxysilicate))
 * 35) Groutite ("O(OH)" group: 1947) 4.FD.10   (IUPAC: hydromanganese(III) oxide)
 * 36) Grumantite (IMA1985-029) 9.EH.10   (NaSi2O4(OH)·H2O)
 * 37) Grumiplucite (pavonite: IMA1997-021) 2.JA.05b   (IUPAC: mercury dibismuth tetrasulfide)
 * 38) Grundmannite (chalcostibite: IMA2015-038) 2.0 [no] [no] (IUPAC: copper bismuth diselenide)
 * 39) Grunerite [Mg-Fe-Mn-amphibole: IMA2012 s.p., IMA1997 s.p., 1853] 9.DE.05
 * 40) Gruzdevite (nowackiite: IMA1980-053) 2.GA.30   (Cu6Hg3Sb4S12)
 * 41) Guanacoite (IMA2003-021) 8.DD.10  [no] (IUPAC: dicopper trimagnesium tetrahydro diarsenate tetrahydrate)
 * 42) Guanajuatite (stibnite: 1858) 2.DB.05   (IUPAC: dibismuth triselenide)
 * 43) Guanine (IMA1973-056) 10.CA.30
 * 44) Guarinoite (guarinoite: IMA1991-005) 7.DD.80   (IUPAC: hexazinc decahydro sulfate pentahydrate)
 * 45) Gudmundite (arsenopyrite: 1928) 2.EB.20   (IUPAC: iron antimonide sulfide)
 * 46) Guérinite (IMA2007 s.p., 1961) 8.CJ.75   (IUPAC: pentacalcium di(hydroxoarsenate) diarsenate nonahydrate)
 * 47) Guettardite (sartorite: IMA1966-018) 2.HC.05a   (Pb8(Sb0.56As0.44)16S32)
 * 48) Gugiaite (melilite: IMA1983-072) 9.BB.10   (IUPAC: dicalcium beryllium heptaoxy disilicate)
 * 49) Guidottiite (serpentine: IMA2009-061) 9.ED.15 [no]
 * 50) Guildite (Y: 1928) 7.DC.30   (IUPAC: copper iron(III) hydro disulfate tetrahydrate)
 * 51) Guilleminite (IMA1964-031) 4.JJ.10   (IUPAC: barium triuranyl dioxodiselenite trihydrate)
 * 52) Guimarãesite (roscherite: IMA2006-028) 8.DA.10  [no] (Ca2Be4Zn5(PO4)6(OH)4·6H2O)
 * 53) Guite (spinel: IMA2017-080) 4.0 [no] [no] (IUPAC: cobalt(II) dicobalt(III) tetraoxide)
 * 54) Gunningite (kieserite: IMA1962 s.p.) 7.CB.05   (IUPAC: zinc sulfate monohydrate)
 * 55) Günterblassite (günterblassite: IMA2011-032) 9.0 [no] [no]
 * 56) Gunterite (decavanadate: IMA2011-001) 8.0 [no]  (Na4(H2O)16(H2V10O28)·6H2O)
 * 57) Gupeiite (silicide: IMA1983-087) 1.BB.30   (IUPAC: triiron silicide)
 * 58) Gurimite (palmierite: IMA2013-032) 8.0 [no] [no] (IUPAC: tribarium divanadate)
 * 59) Gurzhiite (IMA2021-086)
 * 60) Gustavite (lillianite: IMA1967-048) 2.JB.40a   (IUPAC: silver lead hexasulfide tribismuthide)
 * 61) Gutkovaite-Mn (labuntsovite: IMA2001-038) 9.CE.30h  [no]
 * 62) Guyanaite ("O(OH)" group: IMA1967-034) 4.FD.10   (IUPAC: hydrochromium oxide)
 * 63) Gwihabaite (IMA1994-011) 5.NA.15   (IUPAC: ammonium nitrate)
 * 64) Gypsum [gypsos (Theophrastus), gypsum (Agricola, G., 1546)] 7.CD.40   (IUPAC: calcium sulfate dihydrate)
 * 65) Gyrolite (gyrolite: 1851) 9.EE.30
 * 66) Gysinite
 * 67) Gysinite-(La) (IMA2022-008)
 * 68) Gysinite-(Nd) (ancylite: IMA1981-046) 5.DC.05   (IUPAC: lead neodymium hydro dicarbonate monohydrate)