Vinogradovite
Rastsvetaeva R K, Simonov V I, Belov N V
Soviet Physics Doklady 12 (1968) 1090-1092
Crystal structure of vinogradovite Na4Ti4[Si2O6]2[Si4O10]O4*nH2O
Locality: Kolsk peninsula, Russia
_database_code_amcsd 0019946
5.35 8.56 24.22 90 101 90 A2/a
atom    x    y    z
Na   .803 .192 .149
Ti   .711 .096 .349
Si1  .274 .090 .233
Si2  .272 .100 .065
O1    .25 .160    0
O2   .997 .042 .079
O3   .023 .013 .208
O4   .042 .068 .385
O5   .782 .241 .292
O6   .332 .083 .300
O7   .625 .250 .394