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0 item @ $0.00  

Chalcocite

#33246

Chalcocite

#33246
Availability
Sold
Size
Micromount 
Formula
Cu2S (RRUFF)
Locality
Wheal Gorland, St. Day dist., Cornwall, England
Tagged
sulfide

A sweet little micromount specimen with an excellent cyclic twin of chalcocite from this famous Cornish mine.

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
Phillips Collection

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