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 = 25 C
_database_code_amcsd 0004031
8.1082 8.1082 8.1082 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z   occ  Uiso
MgT    .125   .125   .125  .731 .0033
AlT    .125   .125   .125  .207 .0033
FeT    .125   .125   .125  .061 .0033
AlM      .5     .5     .5  .819 .0041
MgM      .5     .5     .5 .1415 .0041
FeM      .5     .5     .5 .0395 .0041
O    .26174 .26174 .26174       .0072