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 IPNS, Argonne National Laboratory,
T = 898 K on cooling cycle, MgAl2O4
_database_code_amcsd 0002136
8.12390 8.12390 8.12390 90 90 90 *Fd3m
.125 .125 .125
atom       x       y       z  occ Biso
Mg      .125    .125    .125 .868 .919
Al      .125    .125    .125 .132 .919
Al        .5      .5      .5 .934 .807
Mg        .5      .5      .5 .066 .807
O    .262026 .262026 .262026      .946