Chromite
Lenaz D, Logvinova A M, Princivalle F, Sobolev N V
American Mineralogist 94 (2009) 1067-1070
Structural parameters of chromite included in diamond and kimberlites
from Siberia: A new tool for discriminating ultramafic source
Locality: Udachnaya mine, Daldyn kimberlitic field, close to Arctic Circle, Russia
Note: sample UDK3
_database_code_amcsd 0004962
8.3264 8.3264 8.3264 90 90 90 *Fd3m
.125 .125 .125
atom       x      y      z  occ   Uiso
MgT     .125   .125   .125 .587  .0051
AlT     .125   .125   .125 .039  .0051
MnT     .125   .125   .125 .007  .0051
Fe2+T   .125   .125   .125 .366  .0051
MgM       .5     .5     .5 .007 .00323
AlM       .5     .5     .5 .092 .00323
TiM       .5     .5     .5 .001 .00323
CrM       .5     .5     .5 .861 .00323
Fe2+M     .5     .5     .5 .011 .00323
Fe3+M     .5     .5     .5 .028 .00323
O     .26175 .26175 .26175       .0048