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Argyrodite & Pyrargyrite

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CR14638

Argyrodite & Pyrargyrite

Description Tabs

Description
Locality: 
Colquechaca, Chayanta Province, Potosi Department, Bolivia
Size Range: 
Cabinet (10-18 cm)
Size: 
6.5 × 10 × 4.5 cm
Description

Small grey isometric crystals of the very rare mineral argyrodite to a maximum size of 0.5 mm on pyrargyrite crystals. Very old specimen.

Ex Dr. Hartel collection, Germany

Mineral Data
What's on the rock

Argyrodite

Formula: 
Ag8GeS6
Strunz: 
2.BA.70
Hardness: 
2.5 - 3.0
Type Locality: 
Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Saxony, Germany

Pyrargyrite

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