Basis data mineral & terapi kristalMineralKeldyshiteKeldyshite(Na,H)2ZrSi2O7Triclino IMA approvedKomposisiComposizione (% in peso)OZrSiNaOOxygen36.7%ZrZirconium29.9%SiSilicon18.4%NaSodium15.1%EtimologiDinamai dari Mstislav Keldysh.