Basis data mineral & terapi kristalMineralDonwilhelmsiteDonwilhelmsiteCaAl4Si2O11Esagonale root IMA approvedKomposisiComposizione (% in peso)OAlSiCaOOxygen46.3%AlAluminium28.4%SiSilicon14.8%CaCalcium10.5%EtimologiDinamai dari Don E. Wilhelms.