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 = 8.033 GPa
_database_code_amcsd 0004561
18.0221 8.6456 5.1327 90 90 90 Pbca
atom        x     y     z  occ  Uiso
Fe2+M2 .37954 .4777 .3544 .818 .0089
MgM2   .37954 .4777 .3544 .156 .0089
CaM2   .37954 .4777 .3544 .010 .0089
MnM2   .37954 .4777 .3544 .016 .0089
Fe2+M1 .37601 .6572 .8612 .081 .0094
MgM1   .37601 .6572 .8612 .767 .0094
AlM1   .37601 .6572 .8612 .084 .0094
Fe3+M1 .37601 .6572 .8612 .068 .0094
SiTA   .27097 .3430 .0350      .0056
SiTB   .47284 .3374 .8057 .848 .0063
AlTB   .47284 .3374 .8057 .152 .0063
O1A     .1821 .3376 .0286       .008
O2A     .3090 .5085 .0390       .010
O3A     .3037 .2328 -.195       .008
O1B     .5625 .3355 .8118       .009
O2B     .4344 .4897 .6886       .011
O3B     .4447 .3066 .1090       .009