Thomas Witzke's Image Gallery

Images from Thomas Witzke

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Thomas Witzke's Image Gallery With 1036 Images

Voltaite Image

Images:

Voltaite: K2Fe++5Fe+++3Al(SO4)12·18(H2O)
Alunogen: Al2(SO4)3·17(H2O)

Comments: Dark greenish-black crystals of voltaite on white alunogen.
Location: Carola Mine, Freital, Dresden, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Voltaite Image

Images:

Voltaite: K2Fe++5Fe+++3Al(SO4)12·18(H2O)
Alunogen: Al2(SO4)3·17(H2O)

Comments: Dark greenish-black crystals of voltaite on white alunogen.
Location: Carola Mine, Freital, Dresden, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Vrbaite Image

Images:

Vrbaite: Tl4Hg3Sb2As8S20
Realgar: AsS

Comments: Black grain of vrbaite in red realgar matrix.
Location: Allchar, Roszdan, FYR Macedonia. Scale: Picture size 1.7 mm.
© Thomas Witzke / Abraxas-Verlag

Vrbaite Image

Images:

Vrbaite: Tl4Hg3Sb2As8S20
Realgar: AsS

Comments: Black grain of vrbaite in red realgar matrix.
Location: Allchar, Roszdan, FYR Macedonia. Scale: Picture size 1.7 mm.
© Thomas Witzke / Abraxas-Verlag

Vyalsovite Image

Images:

Vyalsovite: FeS·Ca(OH)2·Al(OH)3

Comments: Purplish vyalsovite. Polished section from microbrobe analysis, in reflected light, parallel nicols.
Location: Komsomolskaya Mine, Talnakh, Norilsk, Russia. Scale: Picture size 0.1 mm.
© Thomas Witzke

Vyalsovite Image

Images:

Vyalsovite: FeS·Ca(OH)2·Al(OH)3

Wakefieldite-(La) Image

Images:

Wakefieldite-(La): LaVO4

Comments: Pale pink prisimatic crystal (center of photo) of Wakefieldite-(La) in matrix.
Location: Grube Glücksstern, Berg Gottlob, Friedrichroda, Thüringen, Germany. Scale: Picture size 3 mm.
© Thomas Witzke

Wakefieldite-(La) Image

Images:

Wakefieldite-(La): LaVO4

Wallkilldellite-(Fe) Image

Images:

Wallkilldellite-(Fe): (Ca,Cu)4Fe6[(As,Si)O4]4(OH)8·18(H2O)

Comments: Brown wallkilldellite-(Fe) with reddish cuprite.
Location: Roua Mine, Alpes-Maritimes, Provence-Alpes-Côte d'Azur, France. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Wallkilldellite-(Fe) Image

Images:

Wallkilldellite-(Fe): (Ca,Cu)4Fe6[(As,Si)O4]4(OH)8·18(H2O)

Weilite Image

Images:

Weilite: CaHAsO4

Comments: White, radial aggregates weilite on matrix.
Location: Schlema, Schlema-Hartenstein area, Erzgebirge, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Weilite Image

Images:

Weilite: CaHAsO4

Comments: White, radial aggregates weilite on matrix.
Location: Schlema, Schlema-Hartenstein area, Erzgebirge, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Weinebeneite Image

Images:

Weinebeneite: CaBe3(PO4)2(OH)2·5(H2O)

Comments: Colorless Weinebeneite on brown matrix.
Location: Koralpe Mts, Carinthia, Austria. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Weinebeneite Image

Images:

Weinebeneite: CaBe3(PO4)2(OH)2·5(H2O)

Comments: Colorless Weinebeneite on brown matrix.
Location: Koralpe Mts, Carinthia, Austria. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Whewellite Image

Images:

Whewellite: Ca(C2O4)·(H2O)

Comments: Colorless, twinned crystal of Whewellite.
Location: Burgk, near Dresden, Saxony, Germany. Scale: Crystal size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Whewellite Image

Images:

Whewellite: Ca(C2O4)·(H2O)

Comments: Colorless, twinned crystal of Whewellite.
Location: Burgk, near Dresden, Saxony, Germany. Scale: Crystal size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Widgiemoolthalite Image

Images:

Widgiemoolthalite: (Ni,Mg)5(CO3)4(OH)2·4-5(H2O)

Comments: Green crystals of widgiemoolthalite.
Location: 132 North Mine, Widgiemooltha, Western Australia, Australia. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Widgiemoolthalite Image

Images:

Widgiemoolthalite: (Ni,Mg)5(CO3)4(OH)2·4-5(H2O)

Comments: Green crystals of widgiemoolthalite.
Location: 132 North Mine, Widgiemooltha, Western Australia, Australia. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Wilcoxite Image

Images:

Wilcoxite: MgAl(SO4)2F·18(H2O)

Comments: Small, transparent crystals of wilcoxite.
Location: Lichtenberg Mine, Ronneburg U Deposit, Gera district, Thuringia, Germany. Scale: Picture size 0.8 mm.
© Thomas Witzke / Abraxas-Verlag

Wilcoxite Image

Images:

Wilcoxite: MgAl(SO4)2F·18(H2O)

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