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Proustite & Argentopyrite

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SHS79482

Proustite & Argentopyrite

Description Tabs

Description
Locality: 
Drei Brüder Mine, Buchholz, Annaberg-Buchholz, Erzgebirge, Saxony, Germany
Size Range: 
Micromount (under 1cm)
Size: 
0.7 × 0.7 × 0.4 cm
Description

Proustite and argentopyrite on matrix

Mineral Data
What's on the rock

Proustite

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

Argentopyrite

Formula: 
AgFe2S3
Strunz: 
2.CB.65
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Streak: 
Grey.
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic