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0 item @ $0.00  

Covellite with Pyrite

#45926

Covellite with Pyrite

#45926
Availability
Sold
Size
3 x 2.5 x 2 cm - Thumbnail 
Formula
CuS (RRUFF)
Locality
Butte dist., Silver Bow Co., Montana, United States
Tagged
sulfide , copper

This is a very nicely crystallized combination specimen with purple or indigo thin platy crystals of Covellite to 6mm. The Covellite crystals are seperated well and nicely defined. The overall group is 1.5cm wide. The matrix is mostly Pyrite showing good crystals to 4mm.

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
Chris van Laer Collection
Mineralpedia
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WebMineral
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