RARE16B-139
Magnussonite with Allactite on Hausmannite-Dolomite ore
$500.00
Cabinet, 7.0 x 6.5 x 2.0 cm
Langban mine, Filipstad, Varmland, Sweden

A very good specimen of hausmannite-dolomite ore exhibiting a fracture surface coated with relatively coarse, inter-grown blades of dark pink allactite and scattered patches of emerald green magnussonite. Allactite is an uncommon manganese arsenate hydroxide. From Langban, Filipstad, Varmland, Sweden, the type locality for magnussonite, a manganese arsenite. Ex. Paulo Matioli and Swedish Natural History Museum collections with labels.

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