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Gorgeyite: K2Ca5(SO4)6·(H2O)
Comments: Görgeyite crystal prism. Location: Lake Inder, Atyrau, Kazakhstan. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Gormanite: Fe++3Al4(PO4)4(OH)6·2(H2O)
Comments: Dark green, velvety mass of gormanite crystals on matrix. Location: Rapid Creek, Yukon Territory, Canada. Scale: 3 x 4.5 cm. © Dave Barthelmy
Comments: Elongated, dark bluish green, fibrous crystals of gormanite and quartz on a matrix of quartz and water clear apatite crystals. Location: Big Fish River, Yukon Territory, Canada. Scale: 4.8 x 3.8 cm. © John Veevaert
Goslarite: ZnSO4·7(H2O)
Comments: Pale yellow to egg-shell white fibrous goslarite with radiating structure. Location: Rammelsberg, near Goslar, Harz Mountains, Niedersachsen, Germany. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Gottlobite: CaMg(VO4,AsO4)(OH)
Comments: Orange-brownish tabular crystals of gottlobite with black hausmannite and colorless barite. Location: Glücksstern Mine, Gottlob Hill, Friedrichroda, Thuringian Forest, Thuringia, Germany. Scale: Picture size 1.5 mm. © Thomas Witzke / Abraxas-Verlag
Gotzenite: (Ca,Na)3(Ti,Al)Si2O7(F,OH)2
Comments: Yellow-brown, thin crystals of götzenite in white feldspar matrix. Location: Barkevik, Langesundsfjorden, Vestfold, Norway. Scale: 3.5x3x3 cm. © John Betts - Fine Minerals
Goudeyite: (Al,Y)Cu6(AsO4)3(OH)6·3(H2O)
Comments: Green crusts and micro crystals of goudeyite on matrix. Location: Majuba Hill, Pershing County, Nevada, USA. Scale: Specimen size 1x3 cm. © John Veevaert
Gowerite: CaB6O10·5(H2O)
Comments: Coatings of acicular radiating crystal clusters of gowerite. Location: Furnace Creek, Death Valley, Inyo County, California, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Goyazite: SrAl3(PO4)2(OH)5·(H2O)
Comments: Flat, tabular crystals of goyazite on dolomite. Location: Langenbach quarry, Binntal, Valais, Switzerland. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Graemite: CuTeO3·(H2O)
Comments: Blue, massive graemite on quartz. Location: Moctezuma, Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 5.5 mm. © Thomas Witzke / Abraxas-Verlag