Spinel
Nestola F, Boffa Ballaran T, Balic-Zunic T, Princivalle F, Secco L, Dal Negro A
American Mineralogist 92 (2007) 1838-1843
Comparative compressibility and structural behavior of spinel MgAl2O4 at high
pressures: the independency on the degree of cation order
Locality: Sri Lanka
Sample: P = 0.0001 GPa, in air, ordered
_database_code_amcsd 0004464
8.0888 8.0888 8.0888 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z  occ  Uiso
MgA    .125   .125   .125  .85 .0047
AlA    .125   .125   .125  .15 .0047
AlB      .5     .5     .5 .925 .0037
MgB      .5     .5     .5 .075 .0037
O    .26332 .26332 .26332      .0049