| References: | Pekov, I.V. & Podlesnyi, A.S. (2004): Kukisvumchorr Deposit: Mineralogy of Alkaline Pegmatites and Hydrotermalites. Mineralogical Almanac, vol. 7, 140 pages + xxiv photo's pages; Krivovichev, S.V., Pakhomovsky, Ya.A., Ivanyuk, G.Yu., Mikhailova, J.A., Men’shikov, Yu.P., Armbruster, Th., Selivanova, E.A., Meisser, N. (2007): Yakovenchukite-(Y), K3NaCaY2(Si12O30)(H2O)4, a new mineral from the Khibiny massif, Kola Peninsula, Russia: A novel type of octahedral-tetrahedral open-framework structure. American Mineralogist, 92, 1525-1530. |