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Chalcopyrite & Calcite

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ATH753091

Chalcopyrite & Calcite

Description Tabs

Description
Locality: 
Trepča, Mitrovica District, Kosovo
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4.2 × 3 cm
Description

Transparent-white calcite surrounding chalcopyrite from Trepca, Kosovo.

Very esthetic due to the pink layer partly covering the chalcopyrite in the middle of the specimen.

Since it is thick - but only a pink layer material is hard to define - could be dolomite or calcite?

Calcite partly transparent, that you can still see the chalcopyrite below.

Mineral Data
What's on the rock

Chalcopyrite

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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