Wairakite
Henderson C M B, Bell A M T, Kohn S C, Page C S
Mineralogical Magazine 62 (1998) 165-178
Leucite-pollucite structure-type variability and the structure of a
synthetic end-member calcium wairakite (CaAl2Si4O12*2(H2O))
_database_code_amcsd 0014533
13.694 13.644 13.576 90. 90.46 90 I2/a
atom     x    y    z   occ Biso
Ca12A  .25 .127    0 .2425  2.9
Ca12B  .75 .385    0 .1975  2.9
Ca2   .011 .248 .118   .78  2.9
Al2A  .170 .416 .139        .29
Al2B  .844 .088 .119        .29
Si11A .117 .155 .419        .29
Si11B .877 .341 .407        .29
Si12A .423 .130 .153        .29
Si12B .591 .367 .164        .29
O11A  .110 .350 .231        .32
O11B  .907 .138 .217        .32
O12A  .385 .138 .462        .32
O12B  .599 .355 .477        .32
O21A  .208 .116 .352        .32
O21B  .777 .394 .374        .32
O22A  .128 .466 .397        .32
O22B  .834 .045 .362        .32
O31A  .387 .224 .084        .32
O31B  .645 .277 .112        .32
O32A  .477 .385 .141        .32
O32B  .545 .111 .170        .32
WatA  .137 .116 .134        .32
WatB  .880 .381 .112        .32