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0 item @ $0.00  

Polybasite

#56471

Polybasite

#56471
Availability
Sold
Size
2.5 x 1 x 1 cm - Thumbnail 
Formula
Cu(Ag,Cu)6Ag9Sb2S11 (RRUFF)
Locality
Vrancice, Pribram, Bohemia, Czech Republic
Tagged
copper , silver

One small well-formed, silvery Polybasite crystals to nearly 1mm.

Polybasite

Formula
Cu(Ag,Cu)6Ag9Sb2S11 
Crystal System
Monoclinic 
Crystal Habit
Massive - Granular, Granular, Pseudo Hexagonal 
Cleavage
Poor, None, None 
Luster
Sub Metallic 
Color
black, dark ruby red 
Streak
reddish black 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
2.5-3 

Data courtesy of Webmineral.

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