Richterite
Senda K, Ishida K, Jenkins D M
American Mineralogist 90 (2005) 1062-1071
X-ray Rietveld refinement and FTIR spectra of synthetic (Si,Ge)-richterites
Sample: Ge0Ri, Na in A site, Si100Ge0
_database_code_amcsd 0003792
9.9032 17.9885 5.2692 90 104.250 90 C2/m
atom     x     y    z  occ Biso
NaA     .0    .5   .0  .85 2.68
Ca4     .0 .2779   .5  .49 1.58
Na4     .0 .2779   .5  .51 1.58
Mg1     .0 .0886   .5       .47
Mg2     .0 .1785   .0       .61
Mg3     .0    .0   .0       .42
Si1  .2791 .0844 .295       .51
Si2  .2858 .1704 .799       .50
O1    .120 .0861 .219       .69
O2    .117 .1700 .723       .64
OH3   .109    .0 .718       .64
O4    .357 .2464 .797       .96
O5    .348 .1298 .095       .86
O6    .341 .1161 .589       .84
O7    .339    .0 .280       .93