Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Tennantite & Bornite

Views:
Watches:
RBM515156

Tennantite & Bornite

Description Tabs

Description
Locality: 
Cobriza Mine, Chinchado-Sacramento, Pabellón, Copiapó Province, Atacama Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5 × 2.5 cm
Description

Lots of small crystals of tennantite, which are noted for their high brightness. Under the loupe crystals also can be seen bornite with characteristic litmus, and its appearance small cubanite crystals. All acompanied by calcite crystals, and a layer of asbesto on 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