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Wickmanite & Argyrodite

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JYJ781184

Wickmanite & Argyrodite

Description Tabs

Description
Locality: 
Colquechaca, Chayanta Province, Potosi Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 1.3 × 0.6 cm
Description

Grey metallic argyrodite twins associated with yellow wickmanite octahedrons on siderite. 

Analysed specimen. 

 

Mineral Data
What's on the rock

Wickmanite

Formula: 
Mn2+[Sn(OH)6]
Strunz: 
4.FC.10
Hardness: 
4.0 - 4.5
Type Locality: 
Långban, Filipstad, Värmland, Sweden

Argyrodite

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