Olivine in the Udachnaya-East kimberlite (Yakutia, Russia): morphology, compositional zoning and origin - Kamenetsky, M.; Kamenetsky, V.; Sobolev, A.; Golovin, A.; Sharygin, V.; Demouchy, S.; Faure, K.; Kuzmin, D. (International Kimberlite Conference: Extended Abstracts, 2008)