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 = 1150 C
_database_code_amcsd 0009060
18.4450 8.9589 5.2749 90 90 90 Pbca
atom      x     y      z  occ   Uiso
MgM1  .3812 .6516  .8913 .927 .04139
FeM1  .3812 .6516  .8913 .063 .04139
MgM2  .3731 .4852  .3673 .893 .04650
FeM2  .3731 .4852  .3673 .087 .04650
SiA   .2710 .3473  .0621      .01572
SiB   .4753 .3398  .7761  .97 .01572
AlB   .4753 .3398  .7761  .03 .01572
O1A   .1852 .3395  .0535      .01780
O1B   .5626 .3430  .7859      .01780
O2A   .3115 .5039  .0470      .01780
O2B   .4321 .4944  .7045      .01780
O3A   .3024 .2353 -.1706      .01780
O3B   .4499 .2071  .5776      .01780