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 = 1175 C
_database_code_amcsd 0009059
18.4517 8.9612 5.2797 90 90 90 Pbca
atom      x     y      z  occ   Uiso
MgM1  .3814 .6514  .8937 .928 .04322
FeM1  .3814 .6514  .8937 .062 .04322
MgM2  .3729 .4850  .3692 .892 .04855
FeM2  .3729 .4850  .3692 .088 .04855
SiA   .2712 .3464  .0647      .01682
SiB   .4756 .3417  .7733  .97 .01682
AlB   .4756 .3417  .7733  .03 .01682
O1A   .1856 .3390  .0562      .01900
O1B   .5629 .3435  .7843      .01900
O2A   .3119 .5031  .0477      .01900
O2B   .4321 .4956  .7053      .01900
O3A   .3028 .2363 -.1702      .01900
O3B   .4503 .2082  .5758      .01900