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Polybasite

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DPH64752

Polybasite

Description Tabs

Description
Locality: 
Julcani Mine, Angaraes Province, Huancavelica Department, Peru
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 2 cm
Largest Crystal: 
0.50cm
Description

A 0.5 cm crystal of polybasite sitting in quartz matrix associated with some massive polybasite.

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
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