Enstatite
Gatta G D, Rinaldi R, Knight K S, Molin G, Artioli G
Physics and Chemistry of Minerals 34 (2007) 185-200
High temperature structural and thermoelastic behaviour of mantle
orthopyroxene: an in situ neutron powder diffraction study
Sample: T = 1100 C
_database_code_amcsd 0009062
18.4314 8.9520 5.2674 90 90 90 Pbca
atom      x     y      z  occ   Uiso
MgM1  .3809 .6518  .8889 .925 .04020
FeM1  .3809 .6518  .8889 .065 .04020
MgM2  .3736 .4855  .3648 .895 .04412
FeM2  .3736 .4855  .3648 .085 .04412
SiA   .2712 .3475  .0612      .01488
SiB   .4751 .3392  .7769  .97 .01488
AlB   .4751 .3392  .7769  .03 .01488
O1A   .1853 .3386  .0516      .01687
O1B   .5627 .3429  .7863      .01687
O2A   .3112 .5045  .0467      .01687
O2B   .4321 .4934  .7026      .01687
O3A   .3026 .2348 -.1702      .01687
O3B   .4499 .2061  .5792      .01687