Spessartine
Rodehorst U, Geiger C A, Armbruster T
American Mineralogist 87 (2002) 542-549
The crystal structures of grossular and spessartine between 100 and 600 K
and the crystal chemistry of grossular-spessartine solid solutions
Sample: T = 156 K
_database_code_amcsd 0002777
11.608 11.608 11.608 90 90 90 Ia-3d
atom      x      y      z U(1,1) U(2,2) U(3,3) U(1,2)  U(1,3) U(2,3)
O    .03498 .04795 .65234  .0037  .0044  .0033  .0001 -.0004  .0003
Mn        0    .25    1/8  .0052  .0052  .0029  .0011      0      0
Al        0      0      0  .0029  .0029  .0029  .0001  .0001  .0001
Si      3/8      0    .25  .0026  .0024  .0024      0      0      0