Cd5H2O10Si2
Egorov-Tismenko, Yu.K.Belov, N.V.Deineko, I.P.Simonov, M.A.
Kristallografiya (1971) 16, 1174-1178
a=17.95Å b=5.28Å c=11.5Å
α=90° β=109° γ=90°