Structural characterization and composition of Y-rich hainite from Sakharjok nepheline syenite pegmatite (Kola Peninsula, Russia) - Lyalina, L.; Zolotarev, A.; Selivanova, E.; Savchenko, Ye.; Zozulya, D.; Krivovichev, S.; Mikhailova, Yu. (Mineralogy and Petrology, 2015)