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Pinakiolite

#DS42927

Pinakiolite

#DS42927
Availability
Sold
Size
5 x 3 x 2 cm - Miniature 
Formula
(Mg,Mn2+)2(Mn3+,Sb5+)O2(BO3) (RRUFF)
Locality
Långban, Filipstad, Värmland, Sweden

Black, bladed crystals to 7mm in matrix. This is one of the better Pinakiolites I have seen.

Type Locality

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

Data courtesy of Webmineral.

Collection
Shultz Collection
Special Info
Type Locality

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