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 = 150 C
_database_code_amcsd 0009068
18.2513 8.8274 5.1929 90 90 90 Pbca
atom      x     y      z  occ   Uiso
MgM1  .3793 .6526  .8682 .972 .00709
FeM1  .3793 .6526  .8682 .018 .00709
MgM2  .3745 .4876  .3531 .848 .00974
FeM2  .3745 .4876  .3531 .132 .00974
SiA   .2694 .3475  .0505      .00361
SiB   .4729 .3354  .7952  .97 .00361
AlB   .4729 .3354  .7952  .03 .00361
O1A   .1832 .3374  .0381      .00447
O1B   .5617 .3426  .7963      .00447
O2A   .3094 .5056  .0372      .00447
O2B   .4318 .4858  .6893      .00447
O3A   .3044 .2255 -.1702      .00447
O3B   .4474 .1976  .6020      .00447