Basis data mineral & terapi kristalMineralFredrikssoniteDavid Hospital·CC BY-SA 4.0·WikimediaFredrikssoniteMg2Mn3⁺O2(BO3)Ortorombico IMA approvedKomposisiComposizione (% in peso)OMnMgOOxygen41.2%MnManganese28.3%MgMagnesium25.0%BBoron5.6%EtimologiDinamai dari Kurt A. Fredriksson.