Wonesite
Kogure T, Miyawaki R, Banno Y
American Mineralogist 90 (2005) 725-731
The true structure of wonesite, an interlayer-deficient trioctahedral sodium mica
_database_code_amcsd 0003769
5.31 9.18 9.754 96.20 96.5 89.9 C-1
atom    x     y    z occ Biso
Na      0     0    0 .46  3.0
K       0     0    0 .09  3.0
Mg1     0    .5   .5 .71   .8
Fe1     0    .5   .5 .14   .8
Al1     0    .5   .5 .13   .8
Mg2     0  .830   .5 .71   .8
Fe2     0  .830   .5 .14   .8
Al2     0  .830   .5 .13   .8
Si   .612  .137 .225 .78   .8
Al   .612  .137 .225 .22   .8
Si'  .612  .797 .225 .78   .8
Al'  .612  .797 .225 .22   .8
O1   .860  .189 .158      1.7
O1'  .860  .729 .158      1.7
O2   .560 -.040 .158      1.7
O3   .643  .157 .393      1.2
O3'  .643  .817 .393      1.2
O4   .143 -.013 .393      1.2