鉱物データベースとクリスタルセラピー鉱物SiudaiteDavid Hospital·CC BY-SA 4.0·WikimediaSiudaiteNa8(Mn2⁺2Na)Ca6(Fe3⁺Mn2⁺)3Zr3NbSi24(Si,☐,Ti)O74(OH)2Cl·5H2O root IMA approved構成Composizione (% in peso)OSiZrCaMnNaOOxygen39.9%SiSilicon21.6%ZrZirconium8.4%CaCalcium7.4%MnManganese6.8%NaSodium6.4%FeIron5.2%NbNiobium2.9%ClChlorine1.1%HHydrogen0.4%語源名前の由来 Rafał Siuda.