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Chalcocite

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MGR1037730

Chalcocite

Classic Locality

Description Tabs

Description
Locality: 
Redruth, Cornwall, United Kingdom
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 3.2 × 2 cm
Description

Imposant crystal cluster of rare chalcosine from the UK. The dark but metallic lustrous crystals reach a size of up to 16 mm and they are forming a fine radial specimen. The main crystal is also nicely exposed positioned.

Mineral Data
What's on the rock

Chalcocite

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