Thomas Witzke's Image Gallery

Thomas Witzke's Image Gallery
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Dakota Matrix was founded in 1996 and has offered systematic and rare mineral specimens online since 1998.
 Hudson Institute of Mineralogy
 McDougall Minerals sells high-quality mineral specimens from all over the world to collectors of all levels, from beginners to connoisseurs
 Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.

Images from Thomas Witzke

Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.

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Thomas Witzke's Image Gallery With 518 Images

Annite Image

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Annite: KFe++3AlSi3O10(OH,F)2

Comments: Bottle-green manganoan annite fragment.
Location: Thiemendorf, Königshain, Oberlausitz, Saxony, Germany. Scale: Picture size 2.5 mm.
© Thomas Witzke / Abraxas-Verlag

Antlerite Image

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Antlerite: Cu3(SO4)(OH)4  
Metaschoepite: UO3·n(H2O)(n<2)

Comments: Yellow crystals of metaschoepite with green antlerite.
Location: Pöhla-Tellerhäuser Gallery, Pöhla, Schwarzenberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Apuanite Image

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Apuanite: Fe++Fe+++4Sb+++4O12S

Comments: Black tabular crystal of apuanite on matrix.
Location: Buca della Vena Mine, Stazzema, Versilia Valley, Apuan Alps, Tuscany, Italy. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Aravaipaite Image

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Aravaipaite: Pb3AlF9·(H2O)

Comments: Colorless thin tabular crystals of aravaipaite.
Location: Grand Reef Mine, Aravaipa District, Graham County, Arizona, USA. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Argyrodite Image

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Argyrodite: Ag8GeS6

Comments: Gray, metallic, massive, crystalline argyrodite ore.
Location: Himmelsfürst mine, Brand-Erbisdorf bei Freiberg, Erzgebirge, Sachsen. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Arrojadite Image

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Arrojadite: KNa4CaMn++4Fe++10Al(PO4)12(OH,F)2

Comments: Brownish to clear crystals of arrojadite on matrix.
Location: Big Fish river area, Yukon Territory, Canada. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Arrojadite-(KNa) Image

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Arrojadite-(KNa): KNa4Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2

Comments: Brownish crystals of arrojadite-(KNa).
Location: Big Fish River, Dawson Mining District, Yukon Territory, Canada. Scale: Picture Size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Arsenic Image

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Arsenic: As

Comments: Botryoidal-concentric aggregate of arsenic with white calcite crystals.
Location: Schneeberg, Erzgebirge, Sachsen, Germany. Scale: 7 x 4 cm.
© Thomas Witzke / Abraxas-Verlag

Arsenic Image

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Arsenic: As  
Claudetite: As2O3

Comments: Colorless prismatic crystal of claudetite on native arsenic.
Location: Jáchymov (St Joachimsthal), Krusné Hory (Erzgebirge), Západoceský Kraj, Bohemia, Czech Republic. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Arseniosiderite Image

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Arseniosiderite: Ca2Fe+++3(AsO4)3O2·3(H2O)  
Cobaltarthurite: CoFe+++2(AsO4)2(OH)2·4(H2O)

Comments: Olive-greenish crystalline druse of cobaltarthurite with spherical arseniosiderite.
Location: Pastrana, Mazarrón, Murcia, Spain. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Arsenopalladinite Image

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Arsenopalladinite: Pd8(As,Sb)3  
Isomertieite: Pd11Sb2As2  
Gold: Au  
Bornite: Cu5FeS4

Comments: Light grayish grain of intimately intergrown isomertieite and arsenopalladinite (in the center of the picture), with pale yellow gold and brownish to violet bornite. Polished section (from microprobe analysis) in reflected light.
Location: Noril'sk, Putoran Mts, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia. Scale: Picture size 0.1 mm.
© Thomas Witzke / Abraxas-Verlag

Asisite Image

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Asisite: Pb12(SiO4)O8Cl4

Comments: Orange brownish asisite on matrix.
Location: Kombat Mine, Kombat, Namibia. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Asselbornite Image

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Asselbornite: (Pb,Ba)(UO2)6(BiO)4(AsO4)2(OH)12·3(H2O)

Comments: Small orange cubes of asselbornite on yellow uranophane.
Location: Weißer Hirsch Mine, Schneeberg, Erzgebirge, Sachsen, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Atelestite Image

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Atelestite: Bi8(AsO4)3(OH)5O5

Comments: Double-terminated crystal of atelestite.
Location: Junge Kalbe Mine, Neustfdtel, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size: 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Atokite Image

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Atokite: (Pd,Pt)3Sn  
Palarstanide: Pd8(Sn,As)3

Comments: Polished Section (PPL) showing light gray euhedral palarstanide (P) surrounded by white atokite (A) in light brownish cubanite (C).
Location: Talnakh, Ural, Russia. Scale: Picture Size 0.14 mm.
© Thomas Witzke

Avogadrite Image

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Avogadrite: (K,Cs)BF4  
Ferruccite: NaBF4

Comments: Very small, white crystals of ferrite on massive, yellowish avogadrite.
Location: Vesuvius, Naples, Naples province, Campania, Italy. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Barberiite Image

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Barberiite: (NH4)BF4

Comments: Thin, colorless, tabular blades of barberiite crystals.
Location: Vulcano, Italy. Scale: 1 mm.
© Thomas Witzke / Abraxas-Verlag

Barylite Image

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Barylite: BaBe2Si2O7

Comments: Prismatic crystals of barylite exposed in a vug.
Location: Eveslogchorr Mt , Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Batiferrite Image

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Batiferrite: Ba(Ti2Fe+++8Fe++2)O19

Comments: Gray hexagonal crystal of batiferrite on matrix.
Location: Graulai (Grauley), near Hillesheim, Eifel Mts, Rhineland-Palatinate, Germany. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Bauranoite Image

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Bauranoite: BaU2O7·4-5(H2O)

Comments: Massive, orange-brown crystalline aggregate of bauranoite.
Location: Strel'tsovskoye ore field, Krasnokamensk, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag
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