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Chalcopyrite & Quartz

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MGR718963

Chalcopyrite & Quartz

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
10.7 × 8.6 × 5.7 cm
Description

The specimen shows an exposed group of sharp terminated, lustrous chalkopyrite crystals with iridiscent, colourful layer. They show a great contrast to sparkling quartz crystals. The dimension of Chalkopyrite is exceptional for Cavnic, the assemble looks very asthetic. Undamaged.

Mineral Data
What's on the rock

Chalcopyrite

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

Quartz

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