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Argentopyrite & Pyrargyrite

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WND787664

Argentopyrite & Pyrargyrite

Rare Mineral
Classic Locality

Description Tabs

Description
Locality: 
Samson Mine, St Andreasberg, Goslar, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 1.9 × 1.8 cm
Description

This is a superfine specimen of two sought silversulfides. Highly metallic lustrous, hexagonal crystals of rare argentopyrite accompanied by steel grey multifaced crystals of pyrargyrite. Both species are very well developed and the pyrargyrite is high lustrous as well. A super oldtimed specimen in excellent shape from the famous abandoned mine.

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

Pyrargyrite

Formula: 
Ag3SbS3
Strunz: 
2.GA.05
Crystal System: 
Trigonal - Ditrigonal Pyramidal
Hardness: 
2.5

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