礦物資料庫與水晶療法礦物YofortieriteModris Baum·Public domain·WikimediaYofortieriteMn2⁺5Si8O20(OH)2·7H2OMonoclino IMA approved成分Composizione (% in peso)OSiMnOOxygen61.1%SiSilicon29.6%MnManganese7.2%HHydrogen2.1%詞源命名來源 Yves Fortier.