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Pyrargyrite & Argentopyrite

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CR193557

Pyrargyrite & Argentopyrite

Classic Locality

Description Tabs

Description
Locality: 
Samson Mine, St Andreasberg, Goslar, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 3.7 × 2 cm
Description

An outstanding and rare old-time combination specimen from the Samson Mine.
Classic, sharp argentopyrite crystals association with sharp and lustrous pyrargyrite crystals on a bed of tiny, tabular rammelsbergite microcrystals from the Samson Mine is rare and desirable, indeed.
The splendent, sharp, silver-metallic pyrargyrite crystals have textbook form and some crystals exhibit points of classic, "ruby silver" gemminess under bright light.
Very rare, choice and old-time combination material from this historic mine.
Ex Armin Wendland collection.

Mineral Data
What's on the rock

Pyrargyrite

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

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