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 = 1025 C
_database_code_amcsd 0009065
18.4125 8.9408 5.2577 90 90 90 Pbca
atom      x     y      z  occ   Uiso
MgM1  .3806 .6516  .8829 .929 .03836
FeM1  .3806 .6516  .8829 .061 .03836
MgM2  .3738 .4853  .3643 .891 .04045
FeM2  .3738 .4853  .3643 .089 .04045
SiA   .2708 .3471  .0603      .01337
SiB   .4745 .3387  .7781  .97 .01337
AlB   .4745 .3387  .7781  .03 .01337
O1A   .1849 .3416  .0481      .01520
O1B   .5624 .3400  .7888      .01520
O2A   .3105 .5057  .0452      .01520
O2B   .4319 .4922  .7018      .01520
O3A   .3023 .2340 -.1701      .01520
O3B   .4498 .2041  .5818      .01520