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Dufrénoysite & Realgar

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Dufrénoysite & Realgar

Type Locality

Description Tabs

Description
Locality: 
Lengenbach Quarry, Binntal, Valais, Switzerland
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.6 × 1.6 cm
Description

black and red needles of dufrenoysite with red realgar

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

Realgar

Formula: 
As4S4
Strunz: 
2.FA.15a
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.0