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Binnite With Sphalerite

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JYJ76259

Binnite With Sphalerite

Description Tabs

Description
Locality: 
Lengenbach Quarry, Binntal, Valais, Switzerland
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 0.5 × 0.5 cm
Description

A highly lustrous crystal of binnite with brownish sphalerite from lengenbach quarry. Collected in the 1980s.

Mineral Data
What's on the rock

Binnite

Variety Of: 

Tennantite

Formula: 
Cu6[Cu4(Fe,Zn)2]As4S13
Strunz: 
2.GB.05
Hardness: 
3.0 - 4.5

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0