CaHNaO4Si
Ljutin, V.I.Kazak, V.F.Ilyukhin, V.V.Belov, H.V.
Doklady Akademii Nauk SSSR (1972) 205, 582-584
a=5.71Å b=9.18Å c=7.03Å
α=90° β=90° γ=90°