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Långbanite

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CR707781

Långbanite

Type locality
Rare Mineral

Description Tabs

Description
Locality: 
Långban, Filipstad, Värmland County, Sweden
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.3 × 0.15 × 0.15 cm
Description

This is a perfect terminated Långbanite crystal from the famous Långban mine in Sweden.

 

Mineral Data
What's on the rock

Långbanite

Formula: 
(Mn2+,Ca)4(Mn3+,Fe3+)9Sb5+(SiO4)2O16
Strunz: 
9.AG.10
Hardness: 
6.5
Colour: 
black
Streak: 
brown
Type Locality: 
Långban, Filipstad, Värmland, Sweden