Thomas Witzke's Image Gallery

Thomas Witzke's Image Gallery
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Images from Thomas Witzke

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Thomas Witzke's Image Gallery With 518 Images

Nordstrandite Image

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Nordstrandite: Al(OH)3

Comments: Large pale brownish crystals of nordstrandite.
Location: Bärenstein Quarry, Niederschlag, Oberwiesenthal, Erzgebirge, Saxony, Germany. Scale: Picture size 35 mm.
© Thomas Witzke / Abraxas-Verlag

Novgorodovaite Image

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Novgorodovaite: Ca2(C2O4)Cl2·2(H2O)

Comments: A small fragment of the oxalate mineral novgorodovaite.
Location: Chelkar salt dome, Aksai Valley, Aqtöbe Oblysy (Aktubinsk [Aktyubinsk; Aktubinskaya] Oblast'), Kazakhstan. Scale: Grain size 0.8 mm.
© Thomas Witzke / Abraxas-Verlag

Nukundamite Image

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Nukundamite: (Cu,Fe)4S4  
Covellite: CuS

Comments: Metallic brownish rim of nukundamite with dark purplish-blue covellite on fine-grained pyrite.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Ogdensburgite Image

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Ogdensburgite: Ca2(Zn,Mn)Fe+++4(AsO4)4(OH)6·6(H2O)

Comments: Reddish-brown, massive ogdensburgite.
Location: Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Onoratoite Image

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Onoratoite: Sb8O11Cl2

Comments: White crystals of onoratoite with a yellow crystal of sulphur.
Location: Cetine di Cotorniano Mine (Cetine Mine; Tafone Mine), Rosia, Siena, Tuscany, Italy. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Orlandiite Image

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Orlandiite: Pb3(Cl,OH)4(SeO3)·(H2O)

Comments: White, acicular crystals of orlandiite.
Location: Baccu Locci Mine, Villaputzu, Cagliari Province, Sardinia, Italy. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Orthominasragrite Image

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Orthominasragrite: VO(SO4)·5(H2O)

Comments: Dark blue, spherical aggregate of orthominasragrite.
Location: Temple Mountain, Emery Co., Utah, USA. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Oswaldpeetersite Image

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Oswaldpeetersite: (UO2)2CO3(OH)2·4(H2O)

Comments: Yellow oswaldpeetersite in matrix.
Location: Jomac Mine, White Canyon,White Canyon District (White Canyon), San Juan Co., Utah, USA. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Oulankaite Image

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Oulankaite: (Pd,Pt)5(Cu,Fe)4SnTe2S2  
Telargpalite: (Pd,Ag)3Te  
Tulameenite: Pt2FeCu  
Chalcopyrite: CuFeS2

Comments: Gray long-prismatic crystal of oulankaite with light grayish telargpalite and pale yellowish-white rims of tulameenite in massive yellowish chalcopyrite. Polished section (from microprobe analysis) in reflected light.
Location: Lukkulaisvaara ultrabasic Massif, Olanga (Oulanka) River, Oulanka plutonic complex, Karelia Republic, Northern Region, Russia. Scale: Picture size 0.12 mm.
© Thomas Witzke / Abraxas-Verlag

Pahasapaite Image

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Pahasapaite: Li8(Ca,Li,K,Na)11Be24(PO4)24·38(H2O)

Comments: Lilac colored pahasapaite in matrix.
Location: Tip Top Mine, Fourmile, Custer District, Custer Co., South Dakota, USA. Scale: Picture size 3.5 mm.
© Thomas Witzke / Abraxas-Verlag

Palarstanide Image

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

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

Palenzonaite Image

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Palenzonaite: (Ca,Na)3Mn++(V+++++,As+++++,Si)3O12

Comments: Dark reddish-brown palenzonaite.
Location: Molinello Mine, Val Graveglia, Liguria, Italy. Scale: Picture size 4.5 mm.
© Thomas Witzke / Abraxas-Verlag

Palladodymite Image

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Palladodymite: (Pd,Rh)2As  
Hongshiite: PtCu  
Ruthenium: (Ru,Ir,Os)

Comments: Palladodymite (light gray, in two small grains), hongshiite (pale creamy grayish, tarnished brownish) in massive ruthenium. Polished section (from microprobe analysis) in reflected light.
Location: Miass River, Zlatoust, Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia. Scale: Picture size 0.09 mm.
© Thomas Witzke / Abraxas-Verlag

Paradocrasite Image

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Paradocrasite: Sb2(Sb,As)2

Comments: Metallic white columnar aggregates of paradocrasite.
Location: Moctezuma, Mun. de Moctezuma, Sonora. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Paragonite Image

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Paragonite: NaAl2(Si3Al)O10(OH)2  
Chloritoid: (Fe++,Mg,Mn)2Al4Si2O10(OH)4

Comments: Grayish crystalline inclusion of chloritoid in white, massive paragonite.
Location: Drandorf Fundgrube Mine, Bockau, Schwarzenberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Pararealgar Image

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Pararealgar: AsS

Comments: Orange pararealgar on matrix.
Location: Hänichen, Dresden, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Paratellurite Image

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Paratellurite: TeO2

Comments: Light yellow crystals of paratellurite in quartz.
Location: Bambolla Mine, Moctezuma, Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Parisite-(Ce) Image

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Parisite-(Ce): Ca(Ce,La)2(CO3)3F2

Comments: Brown crystals of parisite-(Ce) in matrix.
Location: Narssarssuk, Igaliko, Greenland. Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Parnauite Image

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Parnauite: Cu9(AsO4)2(SO4)(OH)10·7(H2O)

Comments: Green tabular crystals of parnauite.
Location: Graul, Schwarzenberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Pentahydrite Image

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Pentahydrite: MgSO4·5(H2O)

Comments: White, powdery pentahydrite.
Location: Shaft 371, Schlema-Hartenstein area, Erzgebirge, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag
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