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 = 770 K on cooling cycle, MgAl2O4
_database_code_amcsd 0002138
8.11468 8.11468 8.11468 90 90 90 *Fd3m
.125 .125 .125
atom       x       y       z  occ Biso
Mg      .125    .125    .125 .874 .772
Al      .125    .125    .125 .126 .772
Al        .5      .5      .5 .937 .720
Mg        .5      .5      .5 .063 .720
O    .262104 .262104 .262104      .820