Basis data mineral & terapi kristalMineralPyrochroiteRobert M. Lavinsky·CC BY-SA 3.0·WikimediaPyrochroiteMn2⁺(OH)2 IMA grandfatheredKomposisiComposizione (% in peso)MnOMnManganese61.8%OOxygen36.0%HHydrogen2.3%EtimologiDinamai dari fire.