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Covellite

#PD31038
SOLD
Covellite from Butte dist., Silver Bow Co., Montana, United States - PD31038
Covellite from Butte dist., Silver Bow Co., Montana, United States - PD31038

Covellite

#PD31038
Availability
Sold
Size
8 x 5 x 3.5 cm - Sm Cabinet 
Formula
CuS (RRUFF)
Locality
Butte dist., Silver Bow Co., Montana, United States
Tagged
sulfide

A well-preserved Covellite specimen showing excellent platy iridescent purple crystals to 1.5cm. The side view of this mineral shows the contact of the copper vein mineralization with the wall rock.

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.

Collection
Phillips Collection
Mineralpedia
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