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 = 3.36 GPa
_database_code_amcsd 0004155
18.093 8.750 5.127 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 .4823 .3548 .93  .010   .008   .013   .009  -.003   .001  -.006
CaM2 .3772 .4823 .3548 .07  .010   .008   .013   .009  -.003   .001  -.006
MgM1 .3758 .6558 .8619      .008   .006   .009   .007  -.001   -.00   .004
SiA  .2710 .3427 .0428     .0057
SiB  .4736 .3382 .8019     .0070
O1A  .1824 .3398 .0278      .007
O2A  .3099 .5042 .0344      .009
O3A  .3030 .2255 .8201      .007
O1B  .5625 .3396 .8059      .010
O2B  .4337 .4846 .6886      .006
O3B  .4467 .1945 .6052      .010