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 = 1.76 GPa
_database_code_amcsd 0004154
18.201 8.768 5.154 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 .3768 .4829 .3597 .93  .014   .012   .013   .016  -.003  -.004  -.005
CaM2 .3768 .4829 .3597 .07  .014   .012   .013   .016  -.003  -.004  -.005
MgM1 .3762 .6560 .8650      .007   .008   .005   .009   .002  -.001  -.000
SiA  .2710 .3411 .0448     .0064
SiB  .4740 .3376 .7999     .0064
O1A  .1830 .3406 .0340      .005
O2A  .3102 .5041 .0368      .007
O3A  .3035 .2255 .8270      .005
O1B  .5619 .3396 .8023      .010
O2B  .4337 .4864 .6852      .009
O3B  .4472 .1970 .6067      .009