Tetraferriannite
Comodi P, Zanazzi P F, Weiss Z, Rieder M, Drabek M
American Mineralogist 84 (1999) 325-332
"Cs-tetra-ferri-annite:" High-pressure and high-temperature behavior of a
potential nuclear waste disposal phase
T = 435 deg C, crystal 2
_database_code_amcsd 0002212
5.476 9.502 10.954 90 99.54 90 C2/m
atom     x     y     z occ  Uiso
Cs       0    .5     0 .89 .0495
Fe1      0     0    .5     .0251
Fe2      0 .3326    .5     .0249
Si   .0793 .1667 .2398 .76 .0229
Fe   .0793 .1667 .2398 .23 .0229
Al   .0793 .1667 .2398 .01 .0229
O1   .0633     0 .1870      .052
O2   .3128 .2512 .1865      .047
O3   .1303 .1672 .3961      .024
O4   .1348    .5 .4016      .030