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 = 0 GPa, in air
_database_code_amcsd 0004556
18.2889 8.8662 5.2175 90 90 90 Pbca
atom        x      y      z  occ  Uiso
Fe2+M2 .37965 .48140 .36168 .818 .0084
MgM2   .37965 .48140 .36168 .156 .0084
CaM2   .37965 .48140 .36168 .010 .0084
MnM2   .37965 .48140 .36168 .016 .0084
Fe2+M1 .37580 .65423  .8690 .081 .0074
MgM1   .37580 .65423  .8690 .767 .0074
AlM1   .37580 .65423  .8690 .084 .0074
Fe3+M1 .37580 .65423  .8690 .068 .0074
SiTA   .27129 .34091  .0482      .0056
SiTB   .47336 .33616  .8012 .848 .0060
AlTB   .47336 .33616  .8012 .152 .0060
O1A    .18322  .3375  .0412      .0081
O2A    .31104  .5017  .0506      .0092
O3A    .30213  .2314 -.1800      .0090
O1B    .56311  .3355  .8031      .0082
O2B    .43341  .4855  .6953      .0096
O3B    .44655  .3027  .1038      .0101