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Selenopolybasite

#KR62000
SOLD
Selenopolybasite from Valenciana mine, Guanajuato, Mexico - KR62000
Selenopolybasite from Valenciana mine, Guanajuato, Mexico - KR62000

Selenopolybasite

#KR62000
Availability
Sold
Size
0.5 x 0.6 x 0.5 cm - Thumbnail 
Formula
Cu(Ag,Cu)6Ag9Sb2(S,Se)9Se2 (RRUFF)
Locality
Valenciana mine, Guanajuato, Mexico
Tagged
copper , selenium , silver

Mass of selenopolybasite (black) with deep red Pyrargyrite.

Selenopolybasite

Formula
Cu(Ag,Cu)6Ag9Sb2(S,Se)9Se2 
Crystal System
Trigonal 
Crystal Habit
Anhedral Grains, Microscopic Crystals 
Cleavage
None, None, None 
Luster
Metallic 
Color
black 
Streak
black 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Brittle 
Hardness
3-3.5 

Data courtesy of Webmineral.

Collection
Kenneth Raabe Collection
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