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0 item @ $0.00  

Covellite with Chalcopyrite

#46910

Covellite with Chalcopyrite

#46910
Availability
Sold
Size
8.5 x 6.5 x 4.5 cm - Sm Cabinet 
Formula
CuS (RRUFF)
Locality
Summitville dist., Rio Grande Co., Colorado, United States
Tagged
sulfide , copper

Hard to find these days, this Covellite is a thin platy crystal mass of virtually solid Covellite with an outer veneer or coating of gold Chalcopyrite.

Covellite

Formula
CuS 
Crystal System
Hexagonal 
Crystal Habit
Platy, Foliated 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
indigo blue, light blue, dark blue, black 
Streak
black gray 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle 
Hardness
1.5-2 

Data courtesy of Webmineral.

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