Emeralds of the Ural mountains (Russia) : geology, fluid inclusions and oxygen isotopes Proceedings of 28 international gemmological conference Gavrilenko, E. /Giuliani, Gaston Popov, M. France-Lanord, C. PETROGRAPHIE MINERALOGIE BERYLIUM GENESE ANALYSE ISOTOPIQUE OXYGENE IGC Sapalski, C. (ed.) 2001 text https://www.documentation.ird.fr/hor/fdi:010038123 fdi:010038123 Gavrilenko E., Giuliani Gaston, Popov M., France-Lanord C.. Emeralds of the Ural mountains (Russia) : geology, fluid inclusions and oxygen isotopes. In : Sapalski C. (ed.), . Proceedings of 28 international gemmological conference IGC, 2001, 36-40 International Gemmological Conference, 28., Madrid (ESP), 2001/10/08-11 EN RUSSIE