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Berzelianite

#JD64866
SOLD
Berzelianite from Bukov mine, Rožná deposit, Vysočina, Moravia, Czech Republic - JD64866
Berzelianite from Bukov mine, Rožná deposit, Vysočina, Moravia, Czech Republic - JD64866

Berzelianite

#JD64866
Availability
Sold
Size
6 x 3.5 x 1.3 cm - Sm Cabinet 
Formula
Cu2-xSe (x~0.12) (RRUFF)
Locality
Bukov mine, Rožná deposit, Vysočina, Moravia, Czech Republic
Tagged
copper

Black with blue iridescence of Berzelianite. It is sawed on one side and a little on the other for identification by microprobe.

Berzelianite

Formula
Cu2-xSe (x~0.12) 
Crystal System
Isometric 
Crystal Habit
Dendritic, Disseminated, Massive 
Cleavage
None, None, None 
Luster
Metallic 
Color
bluish gray, gray, black 
Streak
shining 
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
2 

Data courtesy of Webmineral.

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