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Pinakiolite with Haussmanite

#PD53746

Pinakiolite with Haussmanite

#PD53746
Availability
Sold
Size
5 x 3 x 2 cm - Miniature 
Formula
(Mg,Mn2+)2(Mn3+,Sb5+)O2(BO3) (RRUFF)
Locality
Långban, Filipstad, Värmland, Sweden

Thin tabular or platy crystals of black to dark red Pinakiolite to 5mm in a white, granular Dolomite matrix. This a very good specimen showing typical Pinakiolite crystals and many shiny black equant crystals of Hausmannite. The locality, more specifically is the New Zeeland Shaft, as stated on label. The label also states that it originally was out of the Leif Y. Engman collection.

Old Minerals Unlimited label. 

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
Don Phillips Collection
Special Info
Type Locality

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