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: MgFe20, T = 500 C
_database_code_amcsd 0004022
8.1482 8.1482 8.1482 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z   occ  Uiso
MgT    .125   .125   .125  .722 .0101
AlT    .125   .125   .125  .190 .0101
FeT    .125   .125   .125  .088 .0101
AlM      .5     .5     .5  .805 .0113
MgM      .5     .5     .5 .1375 .0113
FeM      .5     .5     .5  .056 .0113
O    .26171 .26171 .26171       .0141