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Chalcocite

#RW51286
SOLD
Chalcocite from Obojnigraben, Karawanken, Carinthia, Austria - RW51286
Chalcocite from Obojnigraben, Karawanken, Carinthia, Austria - RW51286

Chalcocite

#RW51286
Availability
Sold
Size
10 x 6 x 1 cm - Cabinet 
Formula
Cu2S (RRUFF)
Locality
Obojnigraben, Karawanken, Carinthia, Austria
Tagged
ore mineral , sulfide , copper

This is a slab of Chalcocite. The mineralization appears to have impregnated the host rock in very narrow veins.

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
Robert J. Waidler Collection
Mineralpedia
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