Spinel
Menegazzo G, Carbonin S
Physics and Chemistry of Minerals 25 (1998) 541-547
Oxidation mechanisms in Al-Mg-Fe spinels.
A second stage: alpha-Fe2O3 exsolution
Sample: LE20A3, quenched from T = 1150 C after 0.5 hours
_database_code_amcsd 0008159
8.1171 8.1171 8.1171 90 90 90 *Fd3m
.125 .125 .125
atom       x      y      z   occ  Uiso
AlT     .125   .125   .125 .2631 .0088
FeT2+   .125   .125   .125 .0024 .0088
FeT3+   .125   .125   .125 .1504 .0088
MgT     .125   .125   .125 .5845 .0088
MnT     .125   .125   .125 .0001 .0088
SiT     .125   .125   .125 .0014 .0088
ZnT     .125   .125   .125 .0019 .0088
AlM       .5     .5     .5 .7692 .0085
FeM2+     .5     .5     .5 .0039 .0085
FeM3+     .5     .5     .5 .0292 .0085
MgM       .5     .5     .5 .1118 .0085
CrM       .5     .5     .5 .0623 .0085
NiM       .5     .5     .5 .0041 .0085
TiM       .5     .5     .5 .0019 .0085
O     .26106 .26106 .26106       .0130