Thomas Witzke's Image Gallery

Thomas Witzke's Image Gallery
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Hudson Institute of Mineralogy

Images from Thomas Witzke

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Thomas Witzke's Image Gallery With 518 Images

Realgar Image

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Realgar: AsS  
Rebulite: Tl5Sb5As8S22

Comments: Dark gray rebulite grain in red, massive realgar.
Location: Allchar, Roszdan, FYR Macedonia. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Realgar Image

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Realgar: AsS  
Vrbaite: Tl4Hg3Sb2As8S20

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

Rebulite Image

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Rebulite: Tl5Sb5As8S22  
Realgar: AsS

Comments: Dark gray rebulite grain in red, massive realgar.
Location: Allchar, Roszdan, FYR Macedonia. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Redledgeite Image

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Redledgeite: BaTi6Cr+++2O16·(H2O)

Comments: Red Ledge Mine, Washington, Washington District, Nevada Co., California, USA.
Location: Green, massive redledgeite. Scale: Picture size 4.5 mm.
© Thomas Witzke / Abraxas-Verlag

Reichenbachite Image

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Reichenbachite: Cu++5(PO4)2(OH)4

Comments: Green crystals of reichenbachite on quartz.
Location: Bergen, near Falkenstein, Vogtland, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Rhabdophane-(Ce) Image

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Rhabdophane-(Ce): (Ce,La)PO4·(H2O)

Comments: White acicular crystals rhabdophane-(Ce) on matrix.
Location: Reinersreuth Quarry (Köhlerloch), Großer Waldstein, Weißenstadt, Fichtelgebirge, Bavaria, Germany. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Richelsdorfite Image

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Richelsdorfite: Ca2Cu5Sb(AsO4)4Cl(OH)6·6(H2O)

Comments: Greenish rounded aggregates of richelsdorfite on matrix.
Location: Wilhelm Mine; Wechselschacht, near Bauhaus, Richelsdorf District, Hesse, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Rinneite Image

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Rinneite: K3NaFe++Cl6  
Carnallite: KMgCl3·6(H2O)

Comments: Orange to light brown rinneite with colorless carnallite.
Location: Merkers, Bad Salzungen, Rhön, Thuringia, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Rockbridgeite Image

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Rockbridgeite: (Fe++,Mn)Fe+++4(PO4)3(OH)5  
Wilhelmvierlingite: CaMn++Fe+++(PO4)2(OH)·2(H2O)

Comments: Yellow brown crystals wilhelmvierlingite with black rockbridgeite.
Location: Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Waidhaus, Vohenstrauß, Oberpfalz, Bavaria, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Rodalquilarite Image

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Rodalquilarite: H3Fe+++2(Te++++O3)4Cl

Comments: Green crystals of rodalquilarite on matrix.
Location: Tombstone, Tombstone District, Cochise Co., Arizona, USA. Scale: Picture size 4 m.
© Thomas Witzke / Abraxas-Verlag

Rodalquilarite Image

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Rodalquilarite: H3Fe+++2(Te++++O3)4Cl  
Schieffelinite: Pb(Te++++++,S)O4·(H2O)

Comments: Creamy white Schieffelinite with minor green rodalquilarite.
Location: Tombstone, Tombstone District, Cochise Co., Arizona, USA. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Rodolicoite Image

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Rodolicoite: Fe+++PO4  
Grattarolaite: Fe+++3O3(PO4)

Comments: Brown grattarolaite, intimately intergrown with brown rodolicoite.
Location: Castelnuovo Mine, Santa Barbara lignite district, San Giovanni Valdarno, Valdarno (Val d'Arno), Arezzo Province, Tuscany, Italy. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Romanechite Image

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Romanechite: (Ba,H2O)2(Mn++++,Mn+++)5O10

Comments: Black botryoidal romanèchite.
Location: Callenberg North (no. 2) open cut, Callenberg, Glauchau, Saxony, Germany. Scale: Specimen size 9 mm.
© Thomas Witzke / Abraxas-Verlag

Romerite Image

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Romerite: Fe++Fe+++2(SO4)4·14(H2O)

Comments: Massive, pale reddish-brown Römerite.
Location: Willi Agatz Mine, Dresden, Saxony, Germany. Scale: Specimen size 5.8 cm.
© Thomas Witzke / Abraxas-Verlag

Ronneburgite Image

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Ronneburgite: K2MnV4O12

Comments: Reddish-brown crystals of ronneburgite on matrix.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Roquesite Image

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Roquesite: CuInS2

Comments: Polished section (PPL) showing bluish-gray, anhedral roquesite grains in violet-gray bornite, with blue covellite veinlets.
Location: Charrier, Allier, France. Scale: Picture size 0.7 mm.
© Thomas Witzke

Rorisite Image

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Rorisite: (Ca,Mg)FCl

Comments: Colorless to white tabular crystals of Rorisite. Rorisite is extremely hygroscopic and must be stored in closed vials. The picture was made through the vial.
Location: Kopeisk, Chelyabinsk Oblast', Urals Region, Russia. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Roscherite Image

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Roscherite: Ca(Mn++,Fe++)5Be4(PO4)6(OH)4·6(H2O)  
Viitaniemiite: Na(Ca,Mn++)Al(PO4)(F,OH)3

Comments: Colorless to pink viitaniemiite with brownish roscherite.
Location: Greifenstein Rocks, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Rosenbergite Image

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Rosenbergite: AlF3·3(H2O)

Comments: Colorless prismatic crystals of rosenbergite on a dark matrix.
Location: Cetine di Cotorniano Mine (Cetine Mine; Tafone Mine), Rosia, Siena, Tuscany, Italy. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Rosiaite Image

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Rosiaite: PbSb+++++2O6  
Valentinite: Sb2O3

Comments: Beige crystals of rosiaite with a colorless valentinite prism.
Location: Tafone Mine, Manciano, Grosseto, Tuscany, Italy. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag
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