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Chalcocite

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MMM52225

Chalcocite

Description Tabs

Description
Locality: 
Dolcoath Mine, Camborne, Cornwall, United Kingdom
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 0.5 × 0.7 cm
Largest Crystal: 
2.00cm
Description

Fine old time detached crystal of chalcocite.

Mineral Data
What's on the rock

Chalcocite

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