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 = 800 C
_database_code_amcsd 0004040
8.1648 8.1648 8.1648 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z  occ  Uiso
MgT    .125   .125   .125 .717 .0137
AlT    .125   .125   .125 .220 .0137
FeT    .125   .125   .125 .062 .0137
AlM      .5     .5     .5 .812 .0132
MgM      .5     .5     .5 .149 .0132
FeM      .5     .5     .5 .039 .0132
O    .26158 .26158 .26158      .0178