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 = 600 C
_database_code_amcsd 0004037
8.1489 8.1489 8.1489 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z   occ  Uiso
MgT    .125   .125   .125  .731 .0109
AlT    .125   .125   .125  .209 .0109
FeT    .125   .125   .125  .059 .0109
AlM      .5     .5     .5  .817 .0104
MgM      .5     .5     .5  .141 .0104
FeM      .5     .5     .5 .0415 .0104
O    .26173 .26173 .26173       .0139