Spinel
Martignago F, Andreozzi G B, Dal Negro A
American Mineralogist 91 (2006) 306-312
Thermodynamics and kinetics of cation ordering in natural and synthetic
Mg(Al,Fe3+)2O4 spinels from in situ high-temperature X-ray diffraction
Locality: Shishimsk Mountains, Urals, Russia
Sample: 3dis, T = 1050 C
_database_code_amcsd 0004057
8.1678 8.1678 8.1678 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z   occ  Uiso
MgT    .125   .125   .125  .671 .0179
AlT    .125   .125   .125  .283 .0179
FeT    .125   .125   .125  .040 .0179
AlM      .5     .5     .5 .8155 .0177
MgM      .5     .5     .5  .162 .0177
FeM      .5     .5     .5 .0225 .0177
O    .26107 .26107 .26107       .0224