Urumova, G.I. 1995. “Morphogenesis of Pyropes, Picroilmenites and Chromian Spinels from Kimberlites, Kimberlite-Like Rocks and Alkaline Basaltoids”. International Kimberlite Conference: Extended Abstracts 6 (1):646-47. https://doi.org/10.29173/ikc1997.