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Chalcopyrite With Quartz & Sphalerite

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CLB126181

Chalcopyrite With Quartz & Sphalerite

ex coll. Wittig
Classic Locality

Description Tabs

Description
Locality: 
Freiberg, Mittelsachsen, Saxony, Germany
Size Range: 
Cabinet (10-18 cm)
Size: 
11.7 × 10.8 × 5.5 cm
Description

A large chalcopyrite specimen with very big crystals up to more than 2 cm. Quartz crystals on the chalcopyrite and a little minor sphlerite in the matrix, otherwise massive.

Mineral Data
What's on the rock

Chalcopyrite

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

Quartz

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

Sphalerite

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

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