礦物資料庫與水晶療法礦物FeitknechtiteDavid Hospital·CC BY 4.0·WikimediaFeitknechtiteMn3⁺O(OH) root IMA approved成分Composizione (% in peso)MnOMnManganese62.5%OOxygen36.4%HHydrogen1.1%詞源命名來源 Walter Feitknecht.
