Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Tennantite & Bornite

Views:
Watches:
RBM728619

Tennantite & Bornite

Description Tabs

Description
Locality: 
Manto Cobriza Mine, Copiapó Province, Atacama Region, Chile
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 6 × 3.5 cm
Description

Botroidar layer of tennantite over chalcopyrite and accompanied by microcrystals of bornite. Aragonite and bitumen also appear in the sample on a andesite matrix.

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

Payment options: offline, paypal_wpp, paypal_wps