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 = 1200 C
_database_code_amcsd 0009058
18.4588 8.9638 5.2848 90 90 90 Pbca
atom      x     y      z  occ   Uiso
MgM1  .3814 .6504  .8953 .919 .04519
FeM1  .3814 .6504  .8953 .071 .04519
MgM2  .3723 .4848  .3715 .901 .05034
FeM2  .3723 .4848  .3715 .079 .05034
SiA   .2710 .3464  .0655      .01735
SiB   .4757 .3423  .7714  .97 .01735
AlB   .4757 .3423  .7714  .03 .01735
O1A   .1854 .3383  .0582      .01959
O1B   .5632 .3427  .7823      .01959
O2A   .3113 .5029  .0474      .01959
O2B   .4324 .4964  .7068      .01959
O3A   .3027 .2368 -.1691      .01959
O3B   .4503 .2093  .5739      .01959