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Baumhauerite & Lengenbachite

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JYJ119165

Baumhauerite & Lengenbachite

Description Tabs

Description
Locality: 
Lengenbach Quarry, Binntal, Valais, Switzerland
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.5 × 1 cm
Description

Well shaped blocky baumhauerite and minor lengenbachite on top. Beautiful sample.

Mineral Data
What's on the rock

Baumhauerite

Formula: 
Pb12As16S36
Strunz: 
2.HC.05b
Crystal System: 
Triclinic
Hardness: 
3.0
Type Locality: 
Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland

Lengenbachite

Formula: 
Ag4Cu2Pb18As12S39·
Strunz: 
2.HF.30
Crystal System: 
Monoclinic
Hardness: 
1.0 - 2.0
Streak: 
Black
Type Locality: 
Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland