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Magnussonite

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SHS38684

Magnussonite

Description Tabs

Description
Locality: 
Sterling Mine, Ogdensburg, Sussex County, New Jersey, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 3.4 × 3.1 cm
Description

Olive brown magnussonite in matrix

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