(Mangruvan, Nybergsfältet, Lindesberg, Västmanland, Sverige)
It's a "Långban type" Mn-FE deposit except that it's not carbonate hosted.
Ref.:
Holtstam, D. (1997): Barian magnetoplumbite from Mangruvan, Orebro, Sweden. GFF 119, 17-19.
Mineral List:66 entries listed. 60 valid minerals.
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