Spinel
Redfern S A T, Harrison R J, O'Neill H St C, Wood D R R
American Mineralogist 84 (1999) 299-310
Thermodynamics and kinetics of cation ordering in MgAl2O4 spinel up to 1600 C
from in situ neutron diffraction
Data collected at ISIS, Rutherford Appleton Laboratory, U.K.
T = 873 K on heating cycle, MgAl2O4
_database_code_amcsd 0002148
8.12443 8.12443 8.12443 90 90 90 *Fd3m
.125 .125 .125
atom       x       y       z   occ  Biso
Mg      .125    .125    .125  .869 1.072
Al      .125    .125    .125  .131 1.072
Al        .5      .5      .5 .9345  .758
Mg        .5      .5      .5 .0655  .756
O    .262150 .262150 .262150       1.044