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Chalcocite

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GND85834

Chalcocite

Description Tabs

Description
Locality: 
Mammoth Mine, Gunpowder District, Queensland, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.4 × 1.1 cm
Description

A group of large intergrown crystals, the largest being 1.2cm across the face. Some very minor chipping occurs but this is only noticeable under magnification. No matrix.

Mineral Data
What's on the rock

Chalcocite

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