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Chalcocite

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SER945890

Chalcocite

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Aginskoe Gold Deposit, Central Kamchatka, Kamchatka Krai, Russian Federation
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.6 × 1.9 cm
Description

a cluster of black, metallic chalcocite crystals

Mineral Data
What's on the rock

Chalcocite

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