Richterite
Robert J-L, Della Ventura G, Raudsepp M, Hawthorne F C
European Journal of Mineralogy 5 (1993) 199-206
Rietveld structure refinement of synthetic strontium-rich potassium-richterites
Sample: KSr_50
_database_code_amcsd 0006476
10.1063 18.056 5.2717 90 105.168 90 C2/m
atom     x     y     z occ Biso
KA   .0183    .5 .0304  .5  2.3
MgM1     0 .0900    .5       .6
MgM2     0 .1808     0       .6
MgM3     0     0     0       .6
NaM4     0 .2778    .5  .5   .9
CaM4     0 .2778    .5 .25   .9
SrM4     0 .2778    .5 .25   .4
SiT1 .2735 .0854 .3046       .4
SiT2 .2842 .1708 .8042       .8
O1   .1026 .0888 .2143       .8
O2   .1150 .1705 .7215       .8
OH3  .1061     0 .7291       .8
O4   .3538 .2479 .8008      1.1
O5   .3381 .1298 .0999      1.1
O6   .3346 .1137 .5963      1.2
O7   .3275     0 .2998