Basis data mineral & terapi kristalMineralFerroåkermaniteJuroszek, Rafał, Biljana Krüger, Yevgeny Vapnik, and Evgeny Galuskin·CC BY 4.0·WikimediaFerroåkermaniteCa2FeSi2O7Tetragonale heart IMA approvedKomposisiComposizione (% in peso)OCaSiFeOOxygen36.8%CaCalcium26.4%SiSilicon18.5%FeIron18.4%EtimologiDinamai dari iron.Chakra sekunderroot
