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: synthetic
Sample: MgFe14, T = 400 C
_database_code_amcsd 0004033
8.1328 8.1328 8.1328 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z   occ  Uiso
MgT    .125   .125   .125  .728 .0082
AlT    .125   .125   .125  .206 .0082
FeT    .125   .125   .125  .065 .0082
AlM      .5     .5     .5  .819 .0080
MgM      .5     .5     .5  .142 .0080
FeM      .5     .5     .5 .0385 .0080
O    .26178 .26178 .26178       .0109