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Sphalerite & Chalcopyrite On Dolomite

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CLB50093

Sphalerite & Chalcopyrite On Dolomite

Description Tabs

Description
Locality: 
Büschhof Quarry, Wirtenbach, Waldbröl, Cologne, North Rhine - Westphalia, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
2 × 4.8 × 4.2 cm
Largest Crystal: 
0.60cm
Description

Dark honey-coloured multiple-twinned sphalerite crystal with tiny chalcopyrite crystals on top. The sphalerites found only two or three years ago can already be called "modern classics". Very beautiful is the combination with lustrous golden chalcopyrite crystals.

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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