1. Sоbоlеv Institute of Geology and Mineralogy; Siberian Вrаnсh Russian Academy of Sciences; Koptyuga Pr. 3 Novosibirsk 630090 Russia
2. Novosibirsk State University; Pirogova st. 2 Novosibirsk 630090 Russia
3. Diamond and Precious Metal Geology Institute; Siberian Branch Russian Academy of Sciences; Lenina Pr. 39 Yakutsk 677007 Russia
4. Department of Mineralogy; St. Petersburg State University; University Emb. 7/9 St. Petersburg 199034 Russia
5. Department of Earth Sciences; Natural History Museum; Cromwell Road London SW7 5BD UK
6. Laboratoire Magmas et Volcans (UCA, UJM, IRD, CNRS); Université de Lyon, Univ. J. Monnet; Saint-Etienne France