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Sphalerite & Chalcopyrite On Dolomite

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CLB575679

Sphalerite & Chalcopyrite On Dolomite

ex collection Stephan Bathen

Description Tabs

Description
Locality: 
Büschhof Quarry, Wirtenbach, Waldbröl, Cologne, North Rhine - Westphalia, Germany
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.7 × 3 cm
Description

Honey-colored sphalerite crystals - among them a really good, rather big twin - with golden chalcopyrite on dolomite. Far better in nature.

Mineral Data
What's on the rock

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

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