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Kostovite In Bornite

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HEF969966

Kostovite In Bornite

Description Tabs

Description
Locality: 
Glava Copper Mines, Arvika, Värmland County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 1.9 × 1.4 cm
Description

Black-metallic kostovite in bornite

Mineral Data
What's on the rock

Kostovite

Formula: 
CuAuTe4
Strunz: 
2.EA.15
Hardness: 
2.0 - 2.5
Type Locality: 
Chelopech Au-Cu Mine, Chelopech, Sofiya Oblast (Sofia Oblast), Bulgaria

Bornite

Formula: 
Cu5FeS4
Strunz: 
2.BA.15
Crystal System: 
Tetragonal
Hardness: 
3.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

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