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 = 700 C
_database_code_amcsd 0004026
8.1643 8.1643 8.1643 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z   occ  Uiso
MgT    .125   .125   .125  .710 .0131
AlT    .125   .125   .125  .197 .0131
FeT    .125   .125   .125  .094 .0131
AlM      .5     .5     .5 .8005 .0140
MgM      .5     .5     .5  .146 .0140
FeM      .5     .5     .5 .0535 .0140
O    .26161 .26161 .26161       .0167