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0 item @ $0.00  

Chalcocite

#PD31756

Chalcocite

#PD31756
Availability
Sold
Size
7 x 4.5 x 3 cm - Sm Cabinet 
Formula
Cu2S (RRUFF)
Locality
Levant mine, St. Just dist., Cornwall, England
Tagged
sulfide , copper

A chunk of massive, somewhat iridescent Chalcocite from one of the famous old Cornish mines..

Chalcocite

Formula
Cu2
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
Don Phillips Collection

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