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 = 975 C
_database_code_amcsd 0009067
18.3995 8.9329 5.2519 90 90 90 Pbca
atom      x     y      z  occ   Uiso
MgM1  .3803 .6520  .8821 .927 .03589
FeM1  .3803 .6520  .8821 .063 .03589
MgM2  .3743 .4852  .3617 .893 .03947
FeM2  .3743 .4852  .3617 .087 .03947
SiA   .2707 .3472  .0590      .01273
SiB   .4744 .3376  .7791  .97 .01273
AlB   .4744 .3376  .7791  .03 .01273
O1A   .1849 .3408  .0471      .01450
O1B   .5622 .3409  .7890      .01450
O2A   .3104 .5058  .0446      .01450
O2B   .4320 .4916  .7012      .01450
O3A   .3022 .2333 -.1700      .01450
O3B   .4494 .2033  .5835      .01450