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: KGe0Ri, K in A site, Si100Ge0
_database_code_amcsd 0003791
10.0439 17.9883 5.2708 90 104.803 90 C2/m
atom     x     y     z  occ Biso
KA      .0    .5    .0 .954 2.68
Ca4     .0 .2777    .5  .51 1.58
Na4     .0 .2777    .5  .49 1.58
Mg1     .0 .0900    .5       .47
Mg2     .0 .1798    .0       .61
Mg3     .0    .0    .0       .42
Si1  .2750 .0851 .3018       .51
Si2  .2839 .1711 .8037       .50
O1   .1132 .0873  .219       .69
O2   .1177 .1722  .722       .64
OH3   .111    .0  .721       .64
O4    .359 .2468  .796       .96
O5    .341 .1282  .098       .86
O6    .340 .1160  .595       .84
O7    .332    .0  .301       .93