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Sphalerite Quartz & Chalcopyrite

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ESM893818

Sphalerite Quartz & Chalcopyrite

Description Tabs

Description
Locality: 
Lüderich Mine, Altenbrück, Bensberg, Overath, Cologne, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 10 × 4 cm
Description

Lustrous red-brown sphalerite crystals with clear quartz crystals and minor chalcopyrite crystals on matrix

Mineral Data
What's on the rock

Sphalerite

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Chalcopyrite

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