Enstatite
Nestola F, Gatta G D, Ballaran T B
American Mineralogist 91 (2006) 809-815
The effect of Ca substitution on the elastic and
structural behavior of orthoenstatite
Locality: synthetic sample
Sample: P = 3.94 GPa
_database_code_amcsd 0004156
18.108 8.7215 5.120 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)
MgM2 .3772 .4828 .3549 .93 .0112   .004   .013   .016   .004  -.002  -.003
CaM2 .3772 .4828 .3549 .07 .0112   .004   .013   .016   .004  -.002  -.003
MgM1 .3761 .6564 .8616     .0079   .004   .006   .013  -.004  -.000   .002
SiA  .2711 .3423 .0408     .0054
SiB  .4739 .3388 .8008     .0061
O1A  .1826 .3409 .0298      .009
O2A  .3097 .5068 .0371      .008
O3A  .3036 .2258 .8208      .006
O1B  .5618 .3396 .8011      .007
O2B  .4327 .4856 .6908      .008
O3B  .4459 .1942 .6057      .006