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Cuprite

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MGR659699

Cuprite

Description Tabs

Description
Locality: 
Chessy-les-Mines, Villefranche, Rhône, Auvergne-Rhône-Alpes, France
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1.3 × 1.2 cm
Description

An excellent sharp terminated complete cuprite octahedron from this very important historic locality. A second smaller crystal is intergrown to one face as you can see on the first photo in the gallery. The crystal size is already remarkable for Chessy. The Malachite layer shows intense dark green colour. Undemaged.

Mineral Data
What's on the rock

Cuprite

Formula: 
Cu2O
Strunz: 
4.AA.10
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0