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Russia | |
| Pekov, I. V., & Nikolaev, A. P. (2007) Minerals of the Pegmatites and Hydrothermal Assemblages of the Koashva Deposit. Lisitsin, D. & Bosio, P. (2001): An interesting find of thorosteenstrupine and steenstrupine-(Ce) at Mt. Koashva, Khibiny massif (Kola Peninsula, Russia). Rivista Mineralogica Italiana 2001 (4), 218-229 (in Italian). |
| Pekov, Igor V. (1998) Minerals first discovered on the territory of the former Soviet Union. Ocean Pictures, Moscow. 369pp. |
| Pekov, I.V. (2005) The Palitra pegmatite, Lovozero massif, Kola Peninsula, Russia. The Mineralogical Record: 36: 397-416. |
Palitra pegmatite, Karnasurt mine, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia