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 = 800 C
_database_code_amcsd 0004054
8.1500 8.1500 8.1500 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z   occ  Uiso
MgT    .125   .125   .125  .717 .0143
AlT    .125   .125   .125  .241 .0143
FeT    .125   .125   .125  .035 .0143
AlM      .5     .5     .5 .8425 .0137
MgM      .5     .5     .5 .1375 .0137
FeM      .5     .5     .5  .020 .0137
O    .26166 .26166 .26166       .0182