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Magnussonite

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SMM869941

Magnussonite

Rare Mineral
Type Locality

Description Tabs

Description
Locality: 
Långban, Filipstad, Värmland County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1.5 cm
Description

Bluish-green crystalline magnussonite from the type locality. Magussonite is a very rare mineral found in only 4 locations in the world 3 of these in Sweden and the fourth is Sterling Hill USA. For now it is the only one known mineral with univalent manganese. A good specimen.

Boxed with Label
Mineral Data
What's on the rock

Magnussonite

Formula: 
Mn10As6O18(OH,Cl)2
Strunz: 
4.JB.15
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Långban, Filipstad, Värmland, Sweden

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