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Polybasite

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TRM876021

Polybasite

Description Tabs

Description
Locality: 
La Sirena Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.7 × 0.8 cm
Description

Polybasite crystals together with Akanthite and Stephanite crystals.

Boxed with Label
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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