| Kolisnichenko, S.V., and Popov, V.A. [Колисниченко, С.В., и Попов, В.А.] (2008) "Russian Brazil" in the Southern Urals. Encyclopedia of Ural Stones ["Русская Бразилия" на Южном Урале. Энциклопедия уральского камня]. Sanarka Publishing House [Издательство Санарка], Chelyabinsk, 528 pp. (in Russian). Pavel.M. Kartashov (n.d.) analytical data. |
Ilmen Nature Reserve, Chelyabinsk Oblast, Russia