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Pinakiolite

#55763
Pinakiolite from Långban, Filipstad, Värmland, Sweden - 55763
Pinakiolite from Långban, Filipstad, Värmland, Sweden - 55763

Pinakiolite

#55763
Availability
Available
Price
$25.00
Size
2.3 x 1.7 x 2 cm - Thumbnail 
Formula
(Mg,Mn2+)2(Mn3+,Sb5+)O2(BO3) (RRUFF)
Locality
Långban, Filipstad, Värmland, Sweden

Black prismatic crystals embedded in matrix.

Pinakiolite

Formula
(Mg,Mn2+)2(Mn3+,Sb5+)O2(BO3) 
Crystal System
Monoclinic 
Crystal Habit
Tabular 
Cleavage
Good, None, None 
Luster
Adamantine - Metallic 
Color
black 
Streak
brown gray 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
6 

Data courtesy of Webmineral.

Collection
Al Kidwell Collection
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