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Tetrahedrite On Chalcopyrite

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PJM88907

Tetrahedrite On Chalcopyrite

Description Tabs

Description
Locality: 
Gilman County, Colorado, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.8 × 1.2 cm
Description

Nestled atop a pair of brassy irrisdencent chalcopyrite crystals are a number of elongated tetrahedrite crystal. This attractive thumbnail originates from the New Jersey Zinc eagle mine , also known as the Gilman Mine.

Mineral Data
What's on the rock

Tetrahedrite

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

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0
Earthstones Australia

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