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 UDK4 _database_code_amcsd 0004963 8.3266 8.3266 8.3266 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso MgT .125 .125 .125 .563 .0069 AlT .125 .125 .125 .026 .0069 MnT .125 .125 .125 .008 .0069 Fe2+T .125 .125 .125 .402 .0069 MgM .5 .5 .5 .013 .00460 AlM .5 .5 .5 .096 .00460 TiM .5 .5 .5 .006 .00460 CrM .5 .5 .5 .860 .00460 Fe2+M .5 .5 .5 .004 .00460 Fe3+M .5 .5 .5 .021 .00460 O .26198 .26198 .26198 .0063