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Polybasite

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UVM851496

Polybasite

Classic Locality

Description Tabs

Description
Locality: 
Midway Mine, Tonopah, Nye County, Nevada, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 2.5 × 2.5 cm
Description

A rich miniature specimen of polybasite from the Midway Mine, Tonopah, Nevada.   This specimen features blooms of sharp crystals in areas, with polybasite also being richly distributed through matrix.

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

Seller Information

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