Spinel
Andreozzi G B, Lucchesi S
American Mineralogist 87 (2002) 1113-1120
Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) -
hercynite series by single-crystal X-ray diffraction
Sample: SP3/10a
_database_code_amcsd 0002872
8.0855 8.0855 8.0855 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z  occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Al       .5     .5     .5 .882  .0043  .0043  .0043  .0000  .0000  .0000
Mg       .5     .5     .5 .118  .0043  .0043  .0043  .0000  .0000  .0000
Mg     .125   .125   .125 .765  .0042  .0042  .0042      0      0      0
Al     .125   .125   .125 .235  .0042  .0042  .0042      0      0      0
O    .26213 .26213 .26213       .0075  .0075  .0075  .0000  .0000  .0000