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Polybasite

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ESM500352

Polybasite

Description Tabs

Description
Locality: 
Husky Mine, Elsa, Galena Hill, Mayo, Yukon, Canada
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.7 × 0.9 cm
Description

A rosette of overlapping hexagonal blades with iridescent luster

 

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