礦物資料庫與水晶療法礦物PyrochroiteRobert M. Lavinsky·CC BY-SA 3.0·WikimediaPyrochroiteMn2⁺(OH)2 IMA grandfathered成分Composizione (% in peso)MnOMnManganese61.8%OOxygen36.0%HHydrogen2.3%詞源命名來源 fire.