Authors: Popov, VA Pautov, LA Sokolova, E Hawthorne, FC McCammon, C Bazhenova, LF

Citation: Va. Popov et al., Polyakovite-(Ce), (REE,Ca)(4) (Mg,Fe2+) (Cr3+,Fe3+)(2) (Ti,Nb)(2) S4O22, anew metamict mineral species from the Ilmen Mountains, southern Urals, Russia: Mineral description and crystal chemistry, CAN MINERAL, 39, 2001, pp. 1095-1104