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Chalcocite

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CR20650

Chalcocite

Description Tabs

Description
Locality: 
Dzhezkazgan, Karaganda Oblast, Kazakhstan
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 3.3 × 1.4 cm
Description

The crystals are very well-developed for this mineral species and they form a very upright group, which has not been altered or coated in this fine sample.

Mineral Data
What's on the rock

Chalcocite

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