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Polybasite

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JYJ156611

Polybasite

Description Tabs

Description
Locality: 
Freiberg, Mittelsachsen, Saxony, Germany
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.8 × 1.8 cm
Description

Lustrous polybasite on dolomitic matrix from the mining district around Freiberg.

Mineral Data
What's on the rock

Polybasite

Formula: 
[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Strunz: 
2.GB.15
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.5 - 3.0
Streak: 
black