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Tetrahedrite With Pyrite

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SCH202731

Tetrahedrite With Pyrite

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Description
Locality: 
Kremnica, Žiar nad Hronom County, Banská Bystrica Region, Slovakia (Slovak Republic)
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.6 × 7.6 × 3.2 cm
Description

A sharp, sculptural specimen of densely intergrown, twinned crystals of tetrahedrite. On the lustrous faces of the crystals you can see pretty, subtle geometric growth patterns. Old material. Ex Bally Museum #10043 and previously in the collection of Dr. Kürschner. Excellent specimen from this old locality.

 

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
schani

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