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0 item @ $0.00  

Cobaltite

#RW50115

Cobaltite

#RW50115
Availability
Sold
Size
6.5 x 5 x 4 cm - Sm Cabinet 
Formula
CoAsS (RRUFF)
Locality
Espanola, Ontario, Canada
Tagged
ore mineral , sulfide

Ex. Mike Groben specimen with several embedded cubic crystals from 5 to 8mm. Cobaltite is the promary ore of Cobalt. It is most commonly in high temperature deposits. Cobaltite contains  32% Cobalt. It usually occurs as disseminations in metamorphic rocks or in vein deposits with Cobalt and Nickel sulfides.

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 

Data courtesy of Webmineral.

Collection
Robert J. Waidler Collection
Mineralpedia
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