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Quartz Dolomite Chalcopyrite

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KFT96686

Quartz Dolomite Chalcopyrite

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 4.5 × 4 cm
Description

Very esthetic grown specimen with a good contrast dolomite-chalcopyrite. The quartz is in a very good quality only one shows minor chipping.

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