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Sphalerite Chalcopyrite & Calcite

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MGR753555

Sphalerite Chalcopyrite & Calcite

Description Tabs

Description
Locality: 
Trepča, Mitrovica District, Kosovo
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 3.3 × 3 cm
Description

A free-standing, jet black and highly lustrous sphalerite crystal attractively set on light, sparkling calcite crystals. Some dots of intense golden chalkopyrite is inter-grown to the faces of sphalerite. This very eye-catching detail makes it stand out the crowd.

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

Calcite

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