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Argyrodite

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JYJ156588

Argyrodite

Description Tabs

Description
Locality: 
Colquechaca, Chayanta Province, Potosi Department, Bolivia
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.5 × 1.5 cm
Description

Argyrodite octahedrons on siderite matrix and minor sphalerite. Nice sample of the Ge bearing silver sulfide.
The other mineral with striation could be proustite or another silver sulfide.

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