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Native Silver & Acanthite

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JYJ182817

Native Silver & Acanthite

Description Tabs

Description
Locality: 
Kongsberg Silver Mines, Kongsberg, Viken, Norway
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 2 × 2 cm
Description

Native silver partly with microcrystalline acanthite from Kongsberg Silver mines. Ex Dr. F. Krantz

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