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Canfieldite & Argyrodite

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JYJ834511

Canfieldite & Argyrodite

Description Tabs

Description
Locality: 
Colquechaca, Chayanta Province, Potosi Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.4 × 3.4 × 3 cm
Description

Black metallic canfieldite associated with argyrodite on siderite from Colquechaca, Bolivia. 

Canfieldite tends to show more irregular, less perfect crystals compared to argyrodite. 

 

Mineral Data
What's on the rock

Canfieldite

Formula: 
Ag8SnS6
Strunz: 
2.BA.70
Hardness: 
2.5
Type Locality: 
Colquechaca (Aullagas), Chayanta Province, Potosí Department, Bolivia

Argyrodite

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