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Chalcocite

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CR119933

Chalcocite

Description Tabs

Description
Locality: 
Levant Mine, Pendeen, Cornwall, United Kingdom
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 2 × 1.2 cm
Largest Crystal: 
0.70cm
Description

Sharp chalcocite crystals on matrix from an old collection.

Mineral Data
What's on the rock

Chalcocite

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