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Sphalerite Chalcopyrite & Pyrite

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SKI662396

Sphalerite Chalcopyrite & Pyrite

Description Tabs

Description
Locality: 
Büschhof Quarry, Wirtenbach, Waldbröl, Cologne, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 1.6 × 2.3 cm
Description

A beautiful matrix specimen showing two lustrous, orange-red aggregates of Sphalerite with epitaxial growth of chalcopyrite and isolated cubes of Pyrite on white Dolomite matrix.

Büschhof quarry is an interesting locality. Cu-, Fe-, Pb- and Zn-minerals are present inside a fossil devonian stromatopore reef.

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

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