Citation: Zubkova, N. V.; Pekov, I. V.; Pushcharovsky, D. Y.; Chukanov, N. V. (2009). The crystal structure and refined formula of mountainite, KNa2Ca2[Si8O19(OH)]*6H2O Locality: Yubileinaya pegmatite, Lovozero alkaline complex, Kola Peninsula, Russia. Zeitschrift fur Kristallographie, 224, pp. 389-396.