Enstatite
Hugh-Jones D A, Chopelas A, Angel R J
Physics and Chemistry of Minerals 24 (1997) 301-310
Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
Sample: P = 0.00 GPa, synthetic En60 orthopyroxene
_database_code_amcsd 0008009
18.2974 8.9040 5.2092 90 90 90 Pbca
atom     x     y     z  occ Biso
MgM1 .3759 .6547 .8729  .59  .77
FeM1 .3759 .6547 .8729  .41  .77
MgM2 .3782 .4852 .3652  .59  .77
FeM2 .3782 .4852 .3652  .41  .77
SiTA .2713 .3413 .0536       .77
SiTB .4744 .3363 .7946       .83
O1a   .182 .3385  .039       .71
O2a  .3088 .5002  .050       .75
O3a  .3012 .2280  .821      1.17
O1b   .563 .3382  .798      1.48
O2b  .4327 .4839  .692       .77
O3b  .4486 .1995  .596       .90