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Mineralpedia Details for Cuprobismutite

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Cuprobismutite

Cuprobismutite

Formula
Cu8AgBi13S24 
Crystal System
Monoclinic 
Luster
Metallic 
Color
blue black, gray, dark blue black 
Streak
black 
Class
Monoclinic - Prismatic 
Hardness
WebMineral
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Mindat
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Cuprobismutite from Tunnel Extension #1, Marysvale, Piute Co., Utah, United States

Cuprobismutite
            from Tunnel Extension #1, Marysvale, Piute Co., Utah, United States

Compact acicular crystals in matrix with three tiny vugs showing thin bladed crystals.

Click thumbnail images for larger view.

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