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Dufrénoysite & Lengenbachite

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SMM880024

Dufrénoysite & Lengenbachite

Type Locality

Description Tabs

Description
Locality: 
Lengenbach Quarry, Binntal, Valais, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 2 cm
Description

Crystals bundles of nice dufrenoysite and together a nice fan of lengenbachite crystals from their renowned type locality. Good specimen.

Boxed with Label
Mineral Data
What's on the rock

Dufrénoysite

Formula: 
Pb2As2S5
Strunz: 
2.HC.05d
Crystal System: 
Monoclinic
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

Seller Information

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