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 = 1050 C
_database_code_amcsd 0004030
8.1898 8.1898 8.1898 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z   occ  Uiso
MgT    .125   .125   .125  .672 .0180
AlT    .125   .125   .125  .244 .0180
FeT    .125   .125   .125  .084 .0180
AlM      .5     .5     .5 .7765 .0187
MgM      .5     .5     .5  .165 .0187
FeM      .5     .5     .5 .0585 .0187
O    .26102 .26102 .26102       .0230