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Polybasite

#KR61994
SOLD
Polybasite from La Sirena mine, Guanajuato, Guanajuato, Mexico - KR61994
Polybasite from La Sirena mine, Guanajuato, Guanajuato, Mexico - KR61994

Polybasite

#KR61994
Availability
Sold
Size
1.5 x 1 x 0.9 cm - Thumbnail 
Formula
Cu(Ag,Cu)6Ag9Sb2S11 (RRUFF)
Locality
La Sirena mine, Guanajuato, Guanajuato, Mexico

Sweet little specimen with excellent hexagonal-tabular crystals to 5mm with a bit of Marcasite or Pyrite overcoat.

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.

Collection
Kenneth Raabe Collection
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