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Chalcocite

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RBM728635

Chalcocite

Description Tabs

Description
Locality: 
Manto Cobriza Mine, Copiapó Province, Atacama Region, Chile
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4 × 2 cm
Largest Crystal: 
0.50cm
Description

Group of very well formed crystals of chalcocite. In some sectors of the sample, tennantita crystals are also seen on a matrix of crystals of calcite and asbesto.

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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