Orthopyroxene
Nestola F, Ballaran T B, Balic-Zunic T, Secco L, Dal Negro A
American Mineralogist 93 (2008) 644-652
The high-pressure behavior of an Al- and Fe-rich natural orthopyroxene
Sample: P = 9.562 GPa
_database_code_amcsd 0004562
17.9770 8.6100 5.1227 90 90 90 Pbca
atom        x     y     z  occ  Uiso
Fe2+M2 .37946 .4772 .3536 .818 .0085
MgM2   .37946 .4772 .3536 .156 .0085
CaM2   .37946 .4772 .3536 .010 .0085
MnM2   .37946 .4772 .3536 .016 .0085
Fe2+M1  .3762 .6579 .8598 .081 .0095
MgM1    .3762 .6579 .8598 .767 .0095
AlM1    .3762 .6579 .8598 .084 .0095
Fe3+M1  .3762 .6579 .8598 .068 .0095
SiTA    .2709 .3431 .0337      .0058
SiTB    .4728 .3375 .8059 .848 .0064
AlTB    .4728 .3375 .8059 .152 .0064
O1A     .1819 .3376 .0312       .006
O2A     .3088 .5093 .0368       .010
O3A     .3037 .2336 -.197       .009
O1B     .5627 .3352 .8118       .008
O2B     .4347 .4898 .6876       .011
O3B     .4447 .3072 .1107       .008