Meionite
Antao S M, Hassan I, Wang J, Lee P L, Toby B H
The Canadian Mineralogist 46 (2008) 1501-1509
State-of-the-art high-resolution powder x-ray diffraction (HRPXRD) illustrated
with Rietveld structure refinement of quartz, sodalite, tremolite, and meionite
Locality: Slyudyanka, Siberia, Russia
_database_code_amcsd 0006213
12.16559 12.16559 7.57446 90 90 90 I4/m
atom     x      y      z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca  .35870 .28284      0 .812 .0237  .0154  .0210  .0346  .0079      0      0
Na  .35870 .28284      0 .188 .0237  .0210  .0210  .0346  .0079      0      0
Si1 .16039 .09216      0  .57 .0117  .0132  .0096 -.0001      0      0      0
Al1 .16039 .09216      0  .43 .0117  .0132  .0096 -.0001      0      0      0
Si2 .16035 .41298 .20649  .57 .0131  .0101  .0153  .0139 -.0028 -.0002 -.0009
Al2 .16035 .41298 .20649  .43 .0131  .0101  .0153  .0139 -.0028 -.0002 -.0009
O1   .0412  .1518      0      .0162   .019   .008   .021   .010      0      0
O2   .1861  .3735      0      .0211   .023   .019   .021   .004      0      0
O3   .4512  .1493  .2063      .0230   .035   .022   .012   .005  .0080  .0011
O4   .2662  .3673  .6745      .0228  .0260  .0126   .030  .0038  .0094 -.0006
O6   .6006  .5152      0 .501 .0720   .089   .106   .022  -.027      0      0
O5   .3931  .4801  .0999 .118  .016
C       .5     .5      0 .668 .0188   .024   .024   .008      0      0      0
S       .5     .5      0 .235 .0188   .024   .024   .008      0      0      0