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Mineralpedia Details for Wittichenite

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Wittichenite

Wittichenite

Named for its type locality at Wittichen in the Black Forest of Germany. Wittichenite occurs with other bismuth minerals in hydrothermal veins such as at Wittichen, with Cu-Fe sulfides as at Seawaith Tarn, England, and with secondary uranium minerals and selenides of copper, lead, and bismuth as at Kletno, Poland. Wittichenite is a widely distributed mineral.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/wittichenite.pdf

Formula
Cu3BiS3 
Crystal System
Orthorhombic 
Crystal Habit
Massive - Granular, Columnar, Nodular 
Cleavage
None, None, None 
Luster
Metallic 
Color
lead gray, bronze, steel gray, tin white 
Streak
black 
Class
Orthorhombic - Disphenoidal 
Fracture
Brittle 
Hardness
2.5 
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Mindat
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Wittichenite from Cattle Grid pit, Mt Gunson mine, Pernatty Lagoon, South Australia, Australia

Wittichenite
            from Cattle Grid pit, Mt Gunson mine, Pernatty Lagoon, South Australia, Australia

A single 1cm complex Wittichenite crystal with superb, highly reflective faces on the front side.

Well-formed crystal to 4.5mm on matrix.

Superb 9mm crystal with complex faces and showing a bronzy iridescence.

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Wittichenite from Daniel mine, Wittichen, Schenkenzell, Black Forest, Baden-Württemberg, Germany

Wittichenite
            from Daniel mine, Wittichen, Schenkenzell, Black Forest, Baden-Württemberg, Germany
Special Info
Type Locality

Small black tabular crystals to 3mm in Baryte. Type Locality. Ex. Bill Pinch collection.

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