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Acanthite

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NST681739

Acanthite

Classic Locality

Description Tabs

Description
Locality: 
Johanngeorgenstadt, Erzgebirge, Saxony, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.5 × 1.2 cm
Description

An interesting, metallic, pseudocubic crystal of Acanthite on a hollow crystal matrix from historic Johanngeorgenstadt, Erzgebirge. A fine german classic.

Mineral Data
What's on the rock

Acanthite

Formula: 
Ag2S
Strunz: 
2.BA.35
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.0 - 2.5
Streak: 
lead grey
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic