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Mineralpedia Details for Cobaltite

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Cobaltite

Cobaltite

Formula
CoAsS 
Crystal System
Orthorhombic 
Crystal Habit
Massive - Granular, Striated, Granular 
Cleavage
Good, Good, Good 
Luster
Metallic 
Color
reddish silver white, violet steel gray, black 
Streak
grayish black 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle 
Hardness
5.5 
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