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Sphalerite Calcite & Chalcopyrite

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MGR846190

Sphalerite Calcite & Chalcopyrite

Classic Locality

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
13 × 10.2 × 5.2 cm
Description

Wonderful cluster of sparkling chalkopyrite accompanied by beautiful tarnishing colored sphalerite. All together with the bright calcite it gives a great contrast to this combination.

Mineral Data
What's on the rock

Sphalerite

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

Calcite

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

Chalcopyrite

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