Umbite
Ilyushin G D
Izvestiya Akademii Nauk SSSR Neorganicheskie Materialy 29 (1993) 971-975
New data on the crystal structure of umbite K2ZrSi3O9*H2O
_database_code_amcsd 0012738
10.207 13.241 7.174 90 90 90 P2_12_12_1
atom     x     y     z occ
K1   .0727 .5780 .7123
K2   .2093 .8653 .6496
Zr   .0500 .7097 .2600 .86
Ti   .0500 .7097 .2600 .14
Si1  .1760 .3277 .5048
Si2  .1376 .3331 .9180
Si3  .0328 .4519 .2304
O1   .1682 .6884 .0417
O2   .9857 .5638 .2694
O3   .2086 .6870 .4339
O4   .1132 .2302 .4086
O5   .0572 .2410 .9996
O6   .0792 .8662 .2446
O7   .0999 .3549 .7001
O8   .1559 .4265 .3729
O9   .0949 .4381 .0184
Wat  .1814 .0645 .6278