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Quartz On Dolomite & Chalcopyrite

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BMM722214

Quartz On Dolomite & Chalcopyrite

Description Tabs

Description
Locality: 
Trepča, Mitrovica District, Kosovo
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 7 × 5.8 cm
Description

This piece shows dominant dolomite crystals with a length of exactly 4 cm at the edge. The dolomite shows a silky shine with a light structure on the faces. Crystal-clear quartz crystals are grown between the dolomites. A chalcopyrite grown on a dolomite crystal is an added enrichment. Undamaged, crystal-shaped, only the bottom comes from the rock!

Mineral Data
What's on the rock

Quartz

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Chalcopyrite

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