Lenaz D , Logvinova A M , Princivalle F , Sobolev N V , American Mineralogists , 94 (2009) p.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 UDK5