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Chalcocite & Bornite

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RBM527857

Chalcocite & Bornite

Description Tabs

Description
Locality: 
Cobriza Mine, Chinchado-Sacramento, Pabellón, Copiapó Province, Atacama Region, Chile
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 7.7 × 4 cm
Largest Crystal: 
0.50cm
Description

Perfect hexagonal crystals of chalcocite cover all most the sample and are coating by iridescent bortnite. Small crystalr of litmus bornite accompanied by asbesto and calcite appear over all the metandesite matrix.

Mineral Data
What's on the rock

Chalcocite

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

Bornite

Formula: 
Cu5FeS4
Strunz: 
2.BA.15
Crystal System: 
Tetragonal
Hardness: 
3.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Seller Information

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