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Chalcocite

#AK27690
SOLD
Chalcocite from Cooks Kitchen, Camborne, Cornwall, England - AK27690
Chalcocite from Cooks Kitchen, Camborne, Cornwall, England - AK27690

Chalcocite

#AK27690
Availability
Sold
Size
3 x 2 x 1.7 cm - Thumbnail 
Formula
Cu2S (RRUFF)
Locality
Cooks Kitchen, Camborne, Cornwall, England
Tagged
sulfide , copper

Kind of a grungy looking specimen, but has three nice micro crystals.

Chalcocite

Formula
Cu2S 
Crystal System
Monoclinic 
Crystal Habit
Massive, Granular, Euhedral Crystals 
Cleavage
Indistinct, None, None 
Luster
Metallic 
Color
blue black, gray, black, black gray, steel gray 
Streak
grayish black 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal 
Hardness
2.5-3 

Data courtesy of Webmineral.

Collection
Al Kidwell Collection
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