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Långbanite

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Långbanite

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Description
Locality: 
Mangruvan, Nyberget, Lindesberg, Örebro County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.3 × 2 cm
Description

This extremely rare Antimony Manganese Silicate forms deep dark brown metallic lustery crystals up to 4 mm in size. Intergrown in Andradite-Rhodonite-Calcite-Hematite matrix.

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

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10
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Start 03 May 18:00
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Shipping Information

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Germany
5.50
Europ
8.50
International
$12.50

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