Wairakite
Seryotkin Y V, Joswig W, Bakakin V V, Belitsky I A, Fursenko B A
European Journal of Mineralogy 15 (2003) 475-484
High-temperature crystal structure of wairakite
Sample: Wai-210, T = 210 C
_database_code_amcsd 0006992
13.713 13.713 13.687 90 90 90 *I4_1/acd
0 -.25 .125
atom      x      y      z  occ  Uiso
NaM1  .1263      0    1/4  .04  .060
CaM2      0    1/4    1/8 .922 .0378
SiT1 .12073 .16202 .41367      .0130
AlT2 .16263 .41263    1/8      .0128
O1   .10304 .35175 .22073      .0240
O2   .21462 .10642 .37686      .0315
O3   .37197 .22126 .10174      .0360
Wat   .1231  .1269    1/8       .100