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Bravoite

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Bravoite

Description Tabs

Description
Locality: 
Gold Hill, Boulder County, Colorado, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.1 × 5.5 × 3.8 cm
Description

Pyrite crystals partially covered by silvery bravoite

Mineral Data
What's on the rock

Bravoite

Variety Of: 

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Hardness: 
6.0 - 6.5
Formula: 
(Fe,Ni)S2
Hardness: 
6.5
Streak: 
Black