Magnussonite with Allactite on Hausmannite-Dolomite ore
Unknown Owner
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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.
Product details
SpeciesDolomite, Hausmannite
SizeSmall Cabinet
Dimensions7.0 x 6.5 x 2.0 cm
Added on10/23/2024
LocalitySweden, Värmland County, Filipstad
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 08/2024 | Unknown Owner | Not disclosed |
| — | The Arkenstone | Not disclosed |
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Mineral guide
Learn about Dolomite
classic carbonate prized for sculptural rhombohedra, luster, and colors from snow-white to pink, including cobaltoan varieties; ideal for cabinets.Regional guide
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