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Proustite & Native Arsenic

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JYJ658784

Proustite & Native Arsenic

Description Tabs

Description
Locality: 
Shaft 250, Schlema-Hartenstein District, Erzgebirge, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.1 × 1.5 cm
Description

Dark metallic proustite crystals in native arsenic. 

Mineral Data
What's on the rock

Proustite

Formula: 
Ag3AsS3
Strunz: 
2.GA.05
Crystal System: 
Trigonal
Hardness: 
2.0 - 2.5

Arsenic

Formula: 
As
Strunz: 
1.CA.05
Crystal System: 
Trigonal
Hardness: 
3.5
Streak: 
Grey