Tveitite-(Y) and rare-earth enriched fluorite from amazonite pegmatites of Western Keivy, Kola Peninsula, Russia. Genetic crystal-chemistry of natural Ca,REE-fluorides

Pekov I. V., Chukanov N. V., Kononkova N. N., Yakubovich O. V., Massa W., Voloshin A. V.

Zapiski RMO (Proceedings of the Russian Mineralogical Society). 2008. V. 137. N 3. P.76–93

 Language: Russian