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Argentopyrite Acanthite Native Silver & Stephanite

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ESM665295

Argentopyrite Acanthite Native Silver & Stephanite

Description Tabs

Description
Locality: 
Brahmaputra Vein, Shaft 366, Alberoda, Schlema-Hartenstein, Erzgebirge, Saxony, Germany
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 2.8 × 2.4 cm
Description

Metallic-grey acanthite crystals with bronze coloured argentopyrite, curly silver wires and lustrous stephanite crystals on matrix (around 1960)

Mineral Data
What's on the rock

Argentopyrite

Formula: 
AgFe2S3
Strunz: 
2.CB.65
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Streak: 
Grey.
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

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

Silver

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

Stephanite

Formula: 
Ag5SbS4
Strunz: 
2.GB.10
Crystal System: 
Orthorhombic - Pyramidal
Hardness: 
2.0 - 2.5
Type Locality: 
Freiberg District, Erzgebirge, Saxony, Germany