Opal from Kola Peninsula, Murmansk Oblast, Russia
Russia | |
| 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 |
| Pavel.M. Kartashov (n.d.) analytical data. |
| Pavel M. Kartashov analytical data (2013) |
| Pekov, I.V. (2005) The Palitra pegmatite, Lovozero massif, Kola Peninsula, Russia. The Mineralogical Record: 36: 397-416. |
| Yakovenchuk, V.N., Pakhomovsky, Ya.A., Men’shikov, Yu.P., Mikhailova, J.A., and Ivanyuk, G.Yu. (2007): Canadian Mineralogist 45, 451-456. |
My own collection |
Umbozero North quarry, Alluaiv Mountain, Lovozersky District, Murmansk Oblast, Russia