Insignificant quiantities of
emerald were found in the area of Neiva-Shaitanka settlement at the western endo-contact of the Murzinka granite Massif, where the glimmerite veins occur in xenoliths of talc-tremolite and chlorite-actinolite schists within gneissic-granites.
Ref: E.Ya. Kievlenko, Geology of gems, 2003, p. 84
Gemstone List