Zincochromite
Levy D, Diella V, Pavese A, Dapiaggi M, Sani A
American Mineralogist 90 (2005) 1157-1162
P-V equation of state, thermal expansion, and P-T stability of
synthetic zincochromite (ZnCr2O4 spinel)
Sample: T = 393 K
8.3330 8.3330 8.3330 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z  Uiso
Zn     .125   .125   .125 .0093
Cr       .5     .5     .5 .0096
O     .2666  .2666  .2666 .0100