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Tennantite On Sphalerite

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CR799252

Tennantite On Sphalerite

Rare Mineral

Description Tabs

Description
Locality: 
Lengenbach Quarry, Binntal, Valais, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.6 × 1.5 cm
Description

A sharp and lustrous tennantite crystal on sphalerite in a vug of good contrasting white dolomite matrix from the type locality.

Ex FGL-Grube Lengenbach collection and label. # L-06-2494

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

Sphalerite

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