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Chalcopyrite & Calcite

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MGR1040670

Chalcopyrite & Calcite

Classic Locality

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.2 × 4.9 × 3.1 cm
Description

Dozens of extremely lustrous and intense golden sparkling crystals of chalcopyrite from Romania. The visual appearence is just incredible and it is even enhanced by several clusters of calcite which grow inbetween the golden chalcopyrite.

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