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Magnussonite

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SER917106

Magnussonite

ex Americo Urbinati collection
Type Locality

Description Tabs

Description
Locality: 
Långban, Filipstad, Värmland County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 0.3 × 0.9 cm
Description

green grains of magnussonite from its type locality

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