Thomas Witzke's Image Gallery

Images from Thomas Witzke

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Thomas Witzke's Image Gallery With 1036 Images

Gladite Image

Images:

Gladite: PbCuBi5S9

Comments: Bluish-gray prismatic crystal of gladite on calcite.
Location: Holzmühlental quarry, Flechtingen, Saxony-Anhalt, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Gladite Image

Images:

Gladite: PbCuBi5S9

Gladiusite Image

Images:

Gladiusite: Fe++2(Fe+++,Mg)4(PO4)(OH)13·H2O

Comments: Radiating group of dark olive-greenish acicular crystals of gladiusite on matrix.
Location: Kovdor Mine, Kovdor massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Gladiusite Image

Images:

Gladiusite: Fe++2(Fe+++,Mg)4(PO4)(OH)13·H2O

Godovikovite Image

Images:

Godovikovite: (NH4)(Al,Fe+++)(SO4)2

Comments: A porous aggregate of massive yellow godovikovite.
Location: Carola Mine, Freital, Dresden, Saxony, Germany. Scale: Specimen size 4.2 cm.
© Thomas Witzke / Abraxas-Verlag

Godovikovite Image

Images:

Godovikovite: (NH4)(Al,Fe+++)(SO4)2

Comments: A porous aggregate of massive yellow godovikovite.
Location: Carola Mine, Freital, Dresden, Saxony, Germany. Scale: Specimen size 4.2 cm.
© Thomas Witzke / Abraxas-Verlag

Goldquarryite Image

Images:

Goldquarryite: (Cu,[ ])(Cd,Ca)2Al3(PO4)4F2(H2O)10{(H2O,F)}2

Comments: Single crystal of goldquarryite.
Location: Gold Quarry mine, Eureka County, Nevada, USA.. Scale: Crystal length 0.5 mm.
© Thomas Witzke / Abraxas-Verlag

Goldquarryite Image

Images:

Goldquarryite: (Cu,[ ])(Cd,Ca)2Al3(PO4)4F2(H2O)10{(H2O,F)}2

Comments: Single crystal of goldquarryite.
Location: Gold Quarry mine, Eureka County, Nevada, USA.. Scale: Crystal length 0.5 mm.
© Thomas Witzke / Abraxas-Verlag

Gordaite Image

Images:

Gordaite: NaZn(SO4)(OH)6Cl·6(H2O)

Comments: Colorless to white tabular crystals of gordaite on matrix.
Location: Mansfeld Basin, Saxony-Anhalt, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Gordaite Image

Images:

Gordaite: NaZn(SO4)(OH)6Cl·6(H2O)

Comments: Colorless to white tabular crystals of gordaite on matrix.
Location: Mansfeld Basin, Saxony-Anhalt, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Gottlobite Image

Images:

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

Gottlobite Image

Images:

Gottlobite: CaMg(VO4,AsO4)(OH)

Graemite Image

Images:

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

Graemite Image

Images:

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

Gramaccioliite-(Y) Image

Images:

Gramaccioliite-(Y): (Pb,Sr)(Y,Mn)Fe2(Ti,Fe)18O38

Comments: Black, metallic rystals of gramaccioliite-(Y) in matrix.
Location: Sambuco, Pianche di Vinazio, Piemont, Italy. Scale: Picture size 1.3 mm..
© Thomas Witzke

Gramaccioliite-(Y) Image

Images:

Gramaccioliite-(Y): (Pb,Sr)(Y,Mn)Fe2(Ti,Fe)18O38

Comments: Black, metallic rystals of gramaccioliite-(Y) in matrix.
Location: Sambuco, Pianche di Vinazio, Piemont, Italy. Scale: Picture size 1.3 mm..
© Thomas Witzke

Graphite Image

Images:

Graphite: C

Comments: A crystal of graphite in gneiss.
Location: Forchheim, Pockau, Erzgebirge, Saxony, Germany. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Graphite Image

Images:

Graphite: C

Comments: A crystal of graphite in gneiss.
Location: Forchheim, Pockau, Erzgebirge, Saxony, Germany. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Grattarolaite Image

Images:

Grattarolaite: Fe+++3O3(PO4)
Rodolicoite: Fe+++PO4

Comments: Brown grattarolaite, intimately intergrown with brown rodolicoite.
Location: Castelnuovo Mine, Santa Barbara lignite district, San Giovanni Valdarno, Valdarno (Val d'Arno), Arezzo Province, Tuscany, Italy. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Grattarolaite Image

Images:

Grattarolaite: Fe+++3O3(PO4)
Rodolicoite: Fe+++PO4

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