| Pekov, Igor V. (1998) Minerals first discovered on the territory of the former Soviet Union. Ocean Pictures, Moscow. 369pp. Khomyakov, A. P., Menshikov, Y. P., Rastsvetaeva, R. K., Necheljustov, G. N. (1993) Ershovite Na4K3(Fe,Mn,Ti)2Si8O20(OH)4·4H2O — a new mineral. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 122 (1) 116-120 World of Stones 95:5-6, p64. |
Koashva Open Pit, Koashva Mt, Khibiny Massif, Murmansk Oblast, Russia