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 = 450 C
_database_code_amcsd 0004048
8.1219 8.1219 8.1219 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z   occ  Uiso
MgT    .125   .125   .125  .714 .0093
AlT    .125   .125   .125  .251 .0093
FeT    .125   .125   .125  .028 .0093
AlM      .5     .5     .5 .8365 .0098
MgM      .5     .5     .5 .1375 .0098
FeM      .5     .5     .5 .0255 .0098
O    .26159 .26159 .26159       .0130