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 = 900 C
_database_code_amcsd 0004028
8.1800 8.1800 8.1800 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z   occ  Uiso
MgT    .125   .125   .125  .685 .0158
AlT    .125   .125   .125  .229 .0158
FeT    .125   .125   .125  .087 .0158
AlM      .5     .5     .5  .784 .0169
MgM      .5     .5     .5 .1585 .0169
FeM      .5     .5     .5 .0575 .0169
O    .26117 .26117 .26117       .0202