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Grayish-white frolovite is encased in the thumbnail matrix, from Solongo B deposit, Vitim Plateau, Buriatia Republic, Transbaikalia, Eastern-Siberian Region, Russia
Brick-red sample of gagarinite-(Y), showing crystalline shape, embeded in cryolite and sugar fluoraluminates like thomsenolite or gearksutite, from Katugin, Chitinskaya Oblast', Transbaikalia, Eastern Siberia, Russian Federation