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Gibbsite: Al(OH)3
Comments: Transparent to white, tabular-prismatic gibbsite crystals. Location: Saga Quarry, Langesundfjord, Oslo Region, Norway. Scale: Crystal size 1 mm. © John Veevaert
Gold: Au
Comments: Two skeletal octahedral crystals of gold. Stereo pair images.. Location: Berezovsk Mine, Russia. Scale: Crystal size 1.1 cm. © John Veevaert
Gormanite: Fe++3Al4(PO4)4(OH)6·2(H2O)
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
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
Gratonite: Pb9As4S15
Comments: Crystal cluster of gratonite. The largest crystal is 2.5 mm across. Location: Excelsior mine, Cerro de Pasco, Pasco dept., Peru. Scale: 1.5 x 1 cm. © John Veevaert
Halite: NaCl
Comments: Hoppered pink halite crystals from the evaporation ponds. The pink color is due to the organism Halo bacterium that lives in the concentrated brine. Location: Searles Lake, Trona, San Bernadino County, California, USA. Scale: Crystal size 2 cm. © John Veevaert
Harmotome: (Ba,Na,K)1-2(Si,Al)8O16·6(H2O)
Comments: Root beer colored calcite covered with harmotome crystals from 1 mm to 1 cm. Location: Strontian Hills, Strontian, Argyll, Scotland. Scale: 5.5 x 4.5 cm. © John Veevaert
Hausmannite: Mn++Mn+++2O4
Comments: Black hausmannite crystals with minor brucite. Location: Wessels Mine, Kalahari, South Africa. Scale: 6.5 x 6 cm. © John Veevaert
Hauyne: (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
Comments: Grains of deep blue hauyne crystals in matrix. Location: Niedermendig, Eifel, Germany. Scale: Picture size 5 mm. © John Veevaert
Hawleyite: CdS
Comments: Shale coated with brilliant yellow hawleyite. Location: Mco. la Plane de Bosc, France. Scale: 4 x 3.5 cm. © John Veevaert