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Bournonite On Tetrahedrite

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GND69295

Bournonite On Tetrahedrite

Description Tabs

Description
Locality: 
Mundo Nuevo Mine, Huamachuco, Libertad Department, Peru
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.1 × 3.3 × 3 cm
Description

An interesting combination of these two sulphides where the bournonite has formed in small crystals over classic tetrahedrite crystals up to 3.5cm in height. Some minor associated pyrite is found at the base of the specimen. No damage.

A special worldwide shipping price of  US$8.00 is offered on this specimen.

Mineral Data
What's on the rock

Bournonite

Formula: 
PbCuSbS3
Strunz: 
2.GA.50
Hardness: 
2.5 - 3.0
Type Locality: 
Wheal Boys (Trewetha Mine; Old Trewetha Mine), Port Isaac, St Endellion, Wadebridge District, Cornwall, England, UK

Tetrahedrite

Formula: 
Cu6[Cu4(Fe,Zn)2]Sb4S13
Strunz: 
2.GB.05
Hardness: 
3.5 - 4.0
Gondwana Minerals