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: TS11B3, quenched from T = 1150 C after 5 hours
_database_code_amcsd 0008153
8.1218 8.1218 8.1218 90 90 90 *Fd3m
.125 .125 .125
atom       x      y      z   occ  Uiso
AlT     .125   .125   .125 .2005 .0088
FeT2+   .125   .125   .125 .1530 .0088
FeT3+   .125   .125   .125 .0770 .0088
MgT     .125   .125   .125 .5601 .0088
MnT     .125   .125   .125 .0002 .0088
SiT     .125   .125   .125 .0026 .0088
ZnT     .125   .125   .125 .0067 .0088
AlM       .5     .5     .5 .8193 .0077
FeM2+     .5     .5     .5 .0265 .0077
MgM       .5     .5     .5 .1084 .0077
CrM       .5     .5     .5 .0390 .0077
NiM       .5     .5     .5 .0068 .0077
TiM       .5     .5     .5 .0002 .0077
O     .26174 .26174 .26174       .0122