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 = 1075 C
_database_code_amcsd 0009063
18.4244 8.9481 5.2639 90 90 90 Pbca
atom      x     y      z  occ   Uiso
MgM1  .3807 .6519  .8876 .924 .03851
FeM1  .3807 .6519  .8876 .066 .03851
MgM2  .3740 .4848  .3645 .896 .04247
FeM2  .3740 .4848  .3645 .084 .04247
SiA   .2712 .3473  .0599      .01460
SiB   .4751 .3385  .7767  .97 .01460
AlB   .4751 .3385  .7767  .03 .01460
O1A   .1851 .3403  .0497      .01656
O1B   .5626 .3420  .7869      .01656
O2A   .3112 .5046  .0470      .01656
O2B   .4321 .4929  .7024      .01656
O3A   .3025 .2344 -.1702      .01656
O3B   .4499 .2054  .5800      .01656