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Native Silver With Acanthite

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HEF1060017

Description Tabs

Description
Locality: 
Uranus Mine, Kleinrückerswalde, Annaberg-Buchholz, Erzgebirge, Saxony, Germany
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.5 × 1 cm
Description

Silver-metallic silver with black crystals of acanthite on matrix

Mineral Data
What's on the rock

Silver

Formula: 
Ag
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

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

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