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Chalcocite

#DL62072
SOLD
Chalcocite from Ray mine, Pinal Co., Arizona, United States - DL62072
Chalcocite from Ray mine, Pinal Co., Arizona, United States - DL62072

Chalcocite

#DL62072
Availability
Sold
Size
8 x 6 x 4 cm - Sm Cabinet 
Formula
Cu2S (RRUFF)
Locality
Ray mine, Pinal Co., Arizona, United States
Tagged
ore mineral , sulfide , copper

A pure mass of grey Chalcocite. Collected by David London on the 900 ft level of the Ray mine and hauled up on a latter. I'm sure his pack was loaded!

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
Dr. David London Collection
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