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Proustite

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CR770126

Proustite

Classic Locality

Description Tabs

Description
Locality: 
Příbram District, Central Bohemian Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 4.8 × 3.5 cm
Weight: 
240.00gr
Description

This is a very old specimen from the famous Pribram mining district in Bohemia.

Deep red and very lustrous proustite needles up to 5 mm in size in a vuggy ore matrix with Acanthite crystals and other Ag-sulfides.

Specimen comes with a beautiful old label.

Mineral Data
What's on the rock

Proustite

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