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0 item @ $0.00  

Chalcocite

#64528

Chalcocite

#64528
Availability
Sold
Size
10 x 8 x 4.5 cm - Cabinet 
Formula
Cu2S (RRUFF)
Locality
Butte dist., Silver Bow Co., Montana, United States
Tagged
sulfide , copper , ore specimen

Black, sooty mass of ore from Bisbee! I really wanted to break in half just to get that fresh look.

Antique Specimen

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
Ex. A.E. Seaman Museum
Special Info
Antique Specimen

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