Mineral Specimen Images (G)

Mineral Thumbnail Images (G)

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Mineral Specimen Images (G) With 378 Images

Guimaraesite Image

Images:

Guimaraesite: Ca2(Zn,Mg,Fe)5Be4(PO4)6(OH)4·6H2O

Comments: Botryoidal guimaraesite on eosphorite.
Location: Piaul District, Itinga, Minas Gerais, Brazil. Scale: Specimen size 1.1 x 0.9 x 0.8 cm.
© Rob Lavinsky

Guimaraesite Image

Images:

Guimaraesite: Ca2(Zn,Mg,Fe)5Be4(PO4)6(OH)4·6H2O

Comments: Brown guimaraesite spheres and crystal aggregates..
Location: Piaui district, Itinga, Minas Gerais, Brazil. Scale: Specimen size 2 mm.
© Diederik Visser

Gunningite Image

Images:

Gunningite: (Zn,Mn)SO4·(H2O)

Comments: White crust of gunningite on massive sulfide ore.
Location: Brunswick 12 Open Pit, Bathurst, New Brunswick, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gunningite Image

Images:

Gunningite: (Zn,Mn)SO4·(H2O)

Gupeiite Image

Images:

Gupeiite: Fe3Si

Comments: BSE image of a gupeiite (1) nodule surrounded by TiO2 (2).
Location: Turishkino, Leningrad District, Russia. Scale: See Image.
© Diederik Visser

Gupeiite Image

Images:

Gupeiite: Fe3Si

Comments: BSE image of a gupeiite (1) nodule surrounded by TiO2 (2).
Location: Turishkino, Leningrad District, Russia. Scale: See Image.
© Diederik Visser

Gustavite Image

Images:

Gustavite: PbAgBi3S6 (?)

Comments: Gray metallic gustavite in matrix.
Location: South Mountain, Owyhee County, Idaho, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gustavite Image

Images:

Gustavite: PbAgBi3S6 (?)

Comments: Gray metallic gustavite in matrix.
Location: South Mountain, Owyhee County, Idaho, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gutkovaite-Mn Image

Images:

Gutkovaite-Mn: CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4·5(H2O)

Comments: Pale pink gutkovaite-(Mn) in matrix.
Location: Malyi Mannepakhk Mt., Chibiny, Kola, Russia. Scale: Specimen Size 1.5x2 cm.
© Diederik Visser

Gutkovaite-Mn Image

Images:

Gutkovaite-Mn: CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4·5(H2O)

Comments: Pale pink gutkovaite-(Mn) in matrix.
Location: Malyi Mannepakhk Mt., Chibiny, Kola, Russia. Scale: Specimen Size 1.5x2 cm.
© Diederik Visser

Gutsevichite Image

Images:

Gutsevichite: Al3(PO4)2(OH)3·8(H2O)

Comments: White efflorescence of gutsevichite on sandstone.
Location: Long Park, Uravan, Montrose County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gutsevichite Image

Images:

Gutsevichite: Al3(PO4)2(OH)3·8(H2O)

Gypsum Image

Images:

Gypsum: CaSO4·2(H2O)

Comments: Pencil-sized acicular crystals of gypsum.
Location: Naica, Chihuahua, S.A., Mexico. Scale: Specimen size 5 cm.
© Dave Barthelmy

Gypsum Image

Images:

Gypsum: CaSO4·2(H2O)

Gypsum Image

Images:

Gypsum: CaSO4·2(H2O)

Comments: Pencil-sized acicular crystals of gypsum.
Location: Naica, Chihuahua, S.A., Mexico. Scale: Specimen size 5 cm.
© Dave Barthelmy

Gypsum Image

Images:

Gypsum: CaSO4·2(H2O)

Gyrolite Image

Images:

Gyrolite: NaCa16Si23AlO60(OH)8·64(H2O)

Comments: Two round beige gyrolite aggregates each about 5cm diameter.
Location: Bombay, India. Scale: Specimen size 10cm.
© John Attard

Gyrolite Image

Images:

Gyrolite: NaCa16Si23AlO60(OH)8·64(H2O)

Comments: Two round beige gyrolite aggregates each about 5cm diameter.
Location: Bombay, India. Scale: Specimen size 10cm.
© John Attard