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 = 1214 K on cooling cycle, MgAl2O4
_database_code_amcsd 0002131
8.14730 8.14730 8.14730 90 90 90 *Fd3m
.125 .125 .125
atom       x       y       z   occ  Biso
Mg      .125    .125    .125  .793 1.275
Al      .125    .125    .125  .207 1.275
Al        .5      .5      .5 .8965 1.073
Mg        .5      .5      .5 .1035 1.073
O    .261054 .261054 .261054       1.400