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Chalcocite & Bornite

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MEX213282

Chalcocite & Bornite

Classic Locality

Description Tabs

Description
Locality: 
Cattlegrid Mine, Mount Gunson, South Australia, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 2 × 1.8 cm
Description

Older specimen with few crystals of chalcocite, which are overgrown with bornite.

Mineral Data
What's on the rock

Chalcocite

Formula: 
Cu2S
Strunz: 
2.BA.05
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0

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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