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 = 1773 K on heating cycle, MgAl2O4
_database_code_amcsd 0002157
8.20091 8.20091 8.20091 90 90 90 *Fd3m
.125 .125 .125
atom       x       y       z  occ  Biso
Mg      .125    .125    .125 .664 2.326
Al      .125    .125    .125 .336 2.326
Al        .5      .5      .5 .832 1.996
Mg        .5      .5      .5 .168 1.996
O    .260542 .260542 .260542      2.501