Thomas Witzke's Image Gallery

Images from Thomas Witzke

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Thomas Witzke's Image Gallery With 1036 Images

Hoelite Image

Images:

Hoelite: (C6H4)2(CO)2

Comments: Yellow acicular crystals of hoelite with blocky yellow crystals of sulfur.
Location: Carola Mine, Freital, near Dresden, Saxony, Germany. Scale: Picture size 10 mm.
© Thomas Witzke / Abraxas-Verlag

Hoelite Image

Images:

Hoelite: (C6H4)2(CO)2

Hollandite Image

Images:

Hollandite: Ba(Mn++++,Mn++)8O16

Comments: Gray, feathery aggregates of hollandite.
Location: Sieben Brüder Mine, Langenberg, Schwarzenberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Hollandite Image

Images:

Hollandite: Ba(Mn++++,Mn++)8O16

Hollingworthite Image

Images:

Hollingworthite: (Rh,Pt,Pd)AsS
Laurite: RuS2

Comments: Gray grain of hollingworthite (in the center of the picture) with very slightly darker gray laurite (at the right margin). Polished section (from microprobe analysis).
Location: Konder Mine, Konder alkaline-ultrabasic massif, Aldan shield, Saha (Sakha) Republic (Yakutia), Eastern-Siberian Region, Russia. Scale: Picture size 0.1 mm.
© Thomas Witzke / Abraxas-Verlag

Hollingworthite Image

Images:

Hollingworthite: (Rh,Pt,Pd)AsS
Laurite: RuS2

Horvathite-(Y) Image

Images:

Horvathite-(Y): NaY(CO3)F2

Comments: Blocky crystals of horvathite-(Y) in matrix.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mt Saint-Hilaire, Rouville Co., Québec, Canada. Scale: Picture size 3.5 mm.
© Thomas Witzke / Abraxas-Verlag

Horvathite-(Y) Image

Images:

Horvathite-(Y): NaY(CO3)F2

Humboldtine Image

Images:

Humboldtine: Fe++(C2O4)·2(H2O)

Comments: Yellow crystals of humboldtine.
Location: Lomnice, Sokolov, Západoceský Kraj, Bohemia, Czech Republic. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Humboldtine Image

Images:

Humboldtine: Fe++(C2O4)·2(H2O)

Comments: Yellow crystals of humboldtine.
Location: Lomnice, Sokolov, Západoceský Kraj, Bohemia, Czech Republic. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Hummerite Image

Images:

Hummerite: KMgV+++++5O14·8(H2O)

Comments: Orange-yellow hummerite on fossil wood.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Specimen size 65 mm.
© Thomas Witzke / Abraxas-Verlag

Hummerite Image

Images:

Hummerite: KMgV+++++5O14·8(H2O)

Comments: Orange-yellow hummerite on fossil wood.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Specimen size 65 mm.
© Thomas Witzke / Abraxas-Verlag

Hunchunite Image

Images:

Hunchunite: (Au,Ag)2Pb

Comments: Bluish-gray hunchunite in a polished section in reflected light.
Location: Nizhne-Tagil'skoye (Mednorudyanskoye) Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Urals Region, Russia. Scale: Picture size 0.2 mm.
© Thomas Witzke / Abraxas-Verlag

Hunchunite Image

Images:

Hunchunite: (Au,Ag)2Pb

Hydromagnesite Image

Images:

Hydromagnesite: Mg5(CO3)4(OH)2·4(H2O)

Comments: White, blocky crystals of hydromagnesite.
Location: Lobming, Styria, Austria. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Hydromagnesite Image

Images:

Hydromagnesite: Mg5(CO3)4(OH)2·4(H2O)

Comments: White, blocky crystals of hydromagnesite.
Location: Lobming, Styria, Austria. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Hydroniumjarosite Image

Images:

Hydroniumjarosite: (H3O)Fe+++3(SO4)2(OH)6

Comments: Yellow, earthy hydronium-jarosite.
Location: Reiche Zeche Mine, Himmelfahrt Mine, Freiberg, Freiberg District, Erzgebirge, Saxony, Germany. Scale: Specimen size 3.3 cm.
© Thomas Witzke / Abraxas-Verlag

Hydroniumjarosite Image

Images:

Hydroniumjarosite: (H3O)Fe+++3(SO4)2(OH)6

Hydrowoodwardite Image

Images:

Hydrowoodwardite: Cu1-xAlx(OH)2(SO4)x/2·n(H2O) with 0 < x < 0.67 and n > 3x/2

Comments: Massive blue to greenish-blue hydrowoodwardite.
Location: St Christoph Mine, Bärenhecke, Glashütte, Erzgebirge, Saxony, Germany. Scale: Specimen size 3.4 cm.
© Thomas Witzke / Abraxas-Verlag

Hydrowoodwardite Image

Images:

Hydrowoodwardite: Cu1-xAlx(OH)2(SO4)x/2·n(H2O) with 0 < x < 0.67 and n > 3x/2

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