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Sternbergite & Argentopyrite

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CR169467

Sternbergite & Argentopyrite

Rare Mineral

Description Tabs

Description
Locality: 
Opal Lose, Shaft 371, Schlema-Hartenstein, Erzgebirge, Saxony, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.9 × 1 cm
Description

Very sharp and good, tabular sternbergite crystals with lustrous argentopyrite crystals and native bismuth on matrix.

Very good old specimen from Armin Wendland collection.

Mineral Data
What's on the rock

Sternbergite

Formula: 
AgFe2S3
Strunz: 
2.CB.65
Hardness: 
1.0 - 1.5
Streak: 
Black
Type Locality: 
J√°chymov (St Joachimsthal), J√°chymov District (St Joachimsthal), KruŇ°n√© Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (B√∂hmen; Boehmen), Czech Republic

Argentopyrite

Formula: 
AgFe2S3
Strunz: 
2.CB.65
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Streak: 
Grey.
Type Locality: 
J√°chymov (St Joachimsthal), J√°chymov District (St Joachimsthal), KruŇ°n√© Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (B√∂hmen; Boehmen), Czech Republic