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Chalcopyrite & Quartz

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CR689521

Chalcopyrite & Quartz

Classic Locality

Description Tabs

Description
Locality: 
Banská Štiavnica, Banská Štiavnica County, Banská Bystrica Region, Slovakia (Slovak Republic)
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
12.5 × 8 × 5 cm
Largest Crystal: 
2.70cm
Description

Sharp and lustrous golden chalcopyrite crystals with gemmy quartz crystals, black sphalerite and beige dolomite crystals from an old find at the famous Schemnitz mining area.

Beautiful specimen from Armin Wendland collection.

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