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The Mineral cobaltite




UNDER CONSTRUCTION
Chemical Formula CoAsS
Composition Cobalt sulfoarsenide, usually with some iron
Variable Formula (Co,Fe)AsS
Color Silver white to gray, perhaps with a reddish tint
Streak Dark gray to black
Hardness 5.5
Crystal System Isometric
Crystal Forms
and Aggregates
Coming Soon
Transparency Opaque
Specific Gravity 6.3
Luster Metallic
Cleavage 1,1
Fracture Uneven
Tenacity Brittle
In Group Sulfides; Simple Sulfides
Popularity (1-4) 3
Prevalence (1-3) 3
Demand (1-3) 2

Cobaltite ON EBAY







 
 
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