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Manganite

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MEX724687

Manganite

ex Arno Hartmann collection
Classic Locality

Description Tabs

Description
Locality: 
Bölet Mines, Undenäs, Karlsborg, Västra Götaland County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.6 × 2.7 × 3 cm
Weight: 
52.00gr
Description

A rich specimen from an old collection. The manganite shows high metallic lustrous, radiant crystal groups.
 

Mineral Data
What's on the rock

Manganite

Formula: 
Mn3+O(OH)
Strunz: 
4.FD.15
Hardness: 
4.0
Type Locality: 
Manganese deposit, Ilfeld, Nordhausen, Harz, Thuringia, Germany