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Tennantite

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BIN155717

Tennantite

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Description
Locality: 
Lengenbach Quarry, Binntal, Valais, Switzerland
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1 × 1 cm
Description

A beautiful globular, multi-faceted crystal of tennantite (binnite), ~1mm is set in a vug of the dolomite matrix. Classic material! The binnite is grown on baumhauerite and some realgar is present as well.
Found in 1988

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
BinnMin

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