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Manganese-bearing Gahnite from
Jakobsberg Mine, Jakobsberg ore field, Nordmark mining district, Filipstad, Värmland County, Sweden


04544770017271929615938.jpg
Manganese-bearing Gahnite

Jakobsberg Mine, Jakobsberg ore field, Nordmark mining district, Filipstad, Värmland County, Sweden
07572870017271929635669.jpg
Manganese-bearing Gahnite

Jakobsberg Mine, Jakobsberg ore field, Nordmark mining district, Filipstad, Värmland County, Sweden
04544770017271929615938.jpg
Manganese-bearing Gahnite

Jakobsberg Mine, Jakobsberg ore field, Nordmark mining district, Filipstad, Värmland County, Sweden
07572870017271929635669.jpg
Manganese-bearing Gahnite

Jakobsberg Mine, Jakobsberg ore field, Nordmark mining district, Filipstad, Värmland County, Sweden
04544770017271929615938.jpg
Manganese-bearing Gahnite

Jakobsberg Mine, Jakobsberg ore field, Nordmark mining district, Filipstad, Värmland County, Sweden
07572870017271929635669.jpg
Manganese-bearing Gahnite

Jakobsberg Mine, Jakobsberg ore field, Nordmark mining district, Filipstad, Värmland County, Sweden
Locality type:Mine
Classification
Species:Gahnite var: Manganese-bearing Gahnite
Formula:(Zn,Mn)Al2O4
Comments:This manganoan(up to 12Atom%Mn)gahnite shows very colorfull internal reflection in polished sections.
Habit:Cubic singel crystals
Colour:Yellowish-brownish
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Common
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Manganese-bearing Gahnite data
Locality Data:Click here to view Jakobsberg Mine, Jakobsberg ore field, Nordmark mining district, Filipstad, Värmland County, Sweden
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:88169
Long-form Identifier:1:3:88169:0
GUID (UUID V4):0
References
Gatedal, Kjell (n.d.) Personal Communication.
 
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