Enstatite
Jacob D, Palatinus L, Cuvillier P, Leroux H, Domeneghetti C, Camara F
American Mineralogist 98 (2013) 1526-1534
Ordering state in orthopyroxene as determined by precession electron diffraction
Locality: Wilson Terrane, North Victoria Land, Antarctica
_database_code_amcsd 0020252
18.2810 8.8732 5.2070 90 90 90 Pbca
atom       x      y       z  occ   Uiso U(1,1) U(2,2) U(3,3)  U(1,2)  U(1,3)  U(2,3)
FeM1 .375580 .65446  .87128 .029 .00754 .00830 .00771 .00660 -.00008 -.00062  .00032
MgM1 .375580 .65446  .87128 .971 .00754 .00830 .00771 .00660 -.00008 -.00062  .00032
MgM2 .378034 .48345  .36509 .446 .00981 .01094 .01019 .00829 -.00110 -.00206  .00005
FeM2 .378034 .48345  .36509 .554 .00981 .01094 .01019 .00829 -.00110 -.00206  .00005
SiA  .271544 .34092  .05148      .00664 .00659 .00693 .00640 -.00052  .00020 -.00010
SiB  .473884 .33679  .79705      .00664 .00663 .00670 .00658  .00035 -.00044  .00014
O1A   .18346 .33838  .04147      .00799  .0065  .0090  .0085 -.00012   .0005  -.0003
O1B   .56251 .33764  .79832      .00814  .0069  .0091  .0085  .00013  -.0003   .0001
O2A   .31114 .50118  .05038      .00948  .0100  .0086  .0099  -.0025  -.0009   .0006
O2B   .43369 .48497  .69471      .00976  .0108  .0093  .0092   .0022  -.0007   .0013
O3A   .30269 .22822 -.17338      .01049  .0092  .0133  .0090   .0004  -.0001  -.0039
O3B   .44727 .19933  .59741      .01011  .0094  .0112  .0097  -.0012   .0001  -.0030