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Tetrahedrite & Pyrite

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MGR766007

Tetrahedrite & Pyrite

Classic Locality

Description Tabs

Description
Locality: 
Mundo Nuevo Mine, Huamachuco, Libertad Department, Peru
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5.8 × 6.5 cm
Description

The base consists of two large, highly lustrous pyrite crystals - on it you can see a well formed group of sharp terminated tetrahedrite crystals with a free-standing, exposed main crystal in the center. The tetrahedrite crystals are partly glossy and show a attractive texture, their color is dark steel-grey.

Mineral Data
What's on the rock

Tetrahedrite

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5
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