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Acanthite

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JYJ727779

Acanthite

Description Tabs

Description
Locality: 
Banská Štiavnica, Banská Štiavnica County, Banská Bystrica Region, Slovakia (Slovak Republic)
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 6.5 × 4.7 cm
Description

Large specimen hosting SEM-EDS confirmed acanthite in a large cavity of quartz and sphalerite crystals. Comes from a very old collection with many historic material. 

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
Analysis
Analysis Report - only: Acanthite