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Katoptrite from
Finngruvan-Gröngruvan, Nordmark Odal Field (Nordmarksberg), Filipstad, Värmland County, Sweden

Classification
Species:Katoptrite
Formula:(Mn2+,Mg)13(Al,Fe3+)4Sb25+(SiO4)2O20
Confirmation
Validity:Believed Valid
References
References:Nysten, P. (1994): Alabandit och synadelfit, Nordmark. Långbansnytt. vol 10. [reprinted in: Långbansnytt. De första 20 åren 1983-2003. Långbansällskapet - Skrifter och rapporter. 2, 43]; Nysten, P. (1987). Armangite from Nordmark. GFF, 109(2), 110-110.
Data
Mineral Data:Click here to view Katoptrite data
Locality Data:Click here to view Finngruvan-Gröngruvan, Nordmark Odal Field (Nordmarksberg), Filipstad, Värmland County, Sweden
Nearest other occurrences of Katoptrite
0.1km (0.0 miles) Kitteln Mine, Nordmark Odal Field (Nordmarksberg), Filipstad, Värmland County, Sweden
0.2km (0.1 miles) Brattfors Mine, Nordmark Odal Field (Nordmarksberg), Filipstad, Värmland County, Sweden
1.0km (0.6 miles) Jakobsberg Mine, Jakobsberg ore field, Nordmark District, Filipstad, Värmland County, Sweden
2.2km (1.3 miles) Moss mine, Nordmark Odal Field (Nordmarksberg), Filipstad, Värmland County, Sweden
8.3km (5.2 miles) Långban mine, Långban Ore District, Filipstad, Värmland County, Sweden
32.7km (20.3 miles) Sjögruvan, Grythyttan, Hällefors, Örebro County, Sweden
 
Mineral and/or Locality  
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