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 UDK1
_database_code_amcsd 0004961
8.33273 8.33273 8.33273 90 90 90 *Fd3m
.125 .125 .125
atom      x     y     z  occ  Uiso
MgT    .125  .125  .125 .567 .0058
MnT    .125  .125  .125 .009 .0058
Fe2+T  .125  .125  .125 .401 .0058
Fe3+T  .125  .125  .125 .022 .0058
AlM      .5    .5    .5 .095 .0037
TiM      .5    .5    .5 .002 .0037
CrM      .5    .5    .5 .875 .0037
Fe2+M    .5    .5    .5 .011 .0037
Fe3+M    .5    .5    .5 .017 .0037
O     .2621 .2621 .2621      .0052