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Sylvanite & Acanthite

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SHS592646

Sylvanite & Acanthite

Description Tabs

Description
Locality: 
Baia de Arieş, Alba County, Romania
Class: 
Massive/Crystalline
Size Range: 
Micromount (under 1cm)
Size: 
0.5 × 0.2 × 0.2 cm
Description

Sylvanite and akanthite in matrix

Mineral Data
What's on the rock

Sylvanite

Formula: 
(Au,Ag)2Te4
Strunz: 
2.EA.05
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.0
Type Locality: 
Baia de Arieş (Offenbánya), Alba Co., Romania

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