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Tennantite & Bornite

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RBM722306

Tennantite & Bornite

Description Tabs

Description
Locality: 
Cobriza Mine, Chinchado-Sacramento, Pabellón, Copiapó Province, Atacama Region, Chile
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.8 × 2 cm
Description

Many of shiny perfect crystals of tennantite accompanied by bornite and chalcosite, over a layer of semi translucent calcite and white asbesto on andesite matrix. These samples are a series of copper sulphide ores found in this mine recently.

Mineral Data
What's on the rock

Tennantite

Formula: 
Cu6[Cu4(Fe,Zn)2]As4S13
Strunz: 
2.GB.05
Crystal System: 
Isometric
Hardness: 
3.0 - 4.5
Type Locality: 
Cornwall, England, UK

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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