Thomas Witzke's Image Gallery

Thomas Witzke's Image Gallery
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Images from Thomas Witzke


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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

Pentlandite Image

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Pentlandite: (Fe,Ni)9S8  
Plumbopalladinite: Pd3Pb2  
Valleriite: 4(Fe,Cu)S·3(Mg,Al)(OH)2  
Cubanite: CuFe2S3

Comments: Polished Section image (PPL) of plumbopalladinite (Pl) with polarite Po), surrounded by a rim of isoferroplatinum (Iso) with cubanite (Cu), pentlandite (Pe), and valleriite (Va).
Location: Majak Mine, Talnakh, Norilsk, Ural, Russia. Scale: Picture Size 0.7 mm.
© Thomas Witzke

Periclase Image

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Periclase: MgO

Comments: Green nickel-rich periclase on matrix.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Periclase Image

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Periclase: MgO  
Srebrodolskite: Ca2Fe+++2O5

Comments: Black grains of srebrodolskite with white periclase.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Petterdite Image

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Petterdite: PbCr+++2(CO3)2(OH)4·H2O

Comments: Pinkish-violet crystalline aggregate of petterdite on matrix.
Location: Callenberg North (no. 1) open cut, Callenberg, Glauchau, Saxony, Germany. Scale: Picture size 2.5 mm.
© Thomas Witzke / Abraxas-Verlag

Phoenicochroite Image

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Phoenicochroite: Pb2(CrO4)O

Comments: Deep red phoenicochroite with crocoite in matrix.
Location: Callenberg North (no. 1) open cut, Callenberg, Glauchau, Saxony, Germany. Scale: Picture size 6.5 mm.
© Thomas Witzke / Abraxas-Verlag

Phuralumite Image

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Phuralumite: Al2(UO2)3(PO4)2(OH)6·10(H2O)

Comments: Yellow crystals of phuralumite scattered on white matrix.
Location: Kobokobo Pegmatite, Lusungu River District, Kivu, Congo (Zaïre). Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Pitiglianoite Image

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Pitiglianoite: Na6K2Si6Al6O24(SO4)·2(H2O)

Comments: Colorless, prismatic crystals of pitiglianoite.
Location: Monte Cavallucio, Sacrofano, Campagnano, Lazio, Italy. Scale: Picture size 2.5 mm.
© Thomas Witzke / Abraxas-Verlag

Pitticite Image

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Pitticite: Hydrous ferric arsenate sulfate (Fe, AsO4, SO4, H2O)

Comments: Dark brown to orange-brown massive Pitticite.
Location: Graul, Schwarzenberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Platinum Image

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Platinum: Pt  
Cherepanovite: RhAs  
Cooperite: (Pt,Pd,Ni)S

Comments: Creamy-grayish fractured grains of cherepanovite with gray granular cooperite and white massive grains of iridian ruthenian platinum. Polished section in reflected light.
Location: Placer Deposit, Northern Pekul'nei River, Pekul'nei Range, Chukotka (Tchukotka) Okrug, Chukot Peninsula, Far-Eastern Region, Russia. Scale: Picture size 0.12 mm.
© Thomas Witzke / Abraxas-Verlag

Plumbojarosite Image

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Plumbojarosite: PbFe+++6(SO4)4(OH)12  
Galena: PbS

Comments: Yellow, earthy plumbojarosite on massive, gray galena.
Location: Quarry No 3, Königshain, Oberlausitz, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Plumbopalladinite Image

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Plumbopalladinite: Pd3Pb2  
Valleriite: 4(Fe,Cu)S·3(Mg,Al)(OH)2  
Cubanite: CuFe2S3  
Pentlandite: (Fe,Ni)9S8

Comments: Polished Section image (PPL) of plumbopalladinite (Pl) with polarite Po), surrounded by a rim of isoferroplatinum (Iso) with cubanite (Cu), pentlandite (Pe), and valleriite (Va).
Location: Majak Mine, Talnakh, Norilsk, Ural, Russia. Scale: Picture Size 0.7 mm.
© Thomas Witzke

Polydymite Image

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Polydymite: NiNi2S4

Comments: Octahedral crystals of polydymite on matrix.
Location: Grüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Betzdorf, Siegen District (W), Rhineland-Palatinate, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Polyhalite Image

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Polyhalite: K2Ca2Mg(SO4)4·2(H2O)

Comments: White crystals of polyhalite in matrix.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Ponomarevite Image

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Ponomarevite: K4Cu++4OCl10

Comments: Orange ponomarevite. The sample stored in a closed vial. The photo was made through the vial.
Location: Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Poughite Image

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Poughite: Fe+++2(TeO3)2(SO4)·3(H2O)

Comments: Yellow coatings of poughite on matrix.
Location: Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Preisingerite Image

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Preisingerite: Bi3(AsO4)2O(OH)

Comments: Olive-greenish crystals of preisingerite on quartz.
Location: Pucher Shaft, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Prismatine Image

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Prismatine: ([ ],Fe,Mg)(Mg,Al,Fe)5Al4Si2(Si,Al)2(B,Si,Al)(O,OH,F)22

Comments: Prismatic crystals of prismatine in matrix.
Location: Waldheim, Saxony, Germany. Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Probertite Image

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Probertite: NaCaB5O7(OH)4·3(H2O)

Comments: Large colorless prismatic crystal of probertite.
Location: Niedersachswerfen, Nordhausen, Erfurt district, Harz Mts, Thuringia, Germany. Scale: Crystal length 4.7 cm.
© Thomas Witzke / Abraxas-Verlag

Proshchenkoite-(Y) Image

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Proshchenkoite-(Y): (Y,REE,Ca,Na,Mn)15Fe++Ca(P,Si)Si6B3(O,F)48

Comments: Brown grains of proshchenkoite-(Y) on filter paper used for XRD analysis.
Location: Tommot, Yakutia, Russia. Scale: Grain Size 0.3 mm.
© Thomas Witzke

Protasite Image

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Protasite: Ba(UO2)3O3(OH)2·3(H2O)

Comments: Orange crystals of protasite on matrix.
Location: Shinkolobwe mine (Kasolo mine), Shaba (Katanga), Congo (Zaïre). Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag
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