Citation: Camara, F.; Sokolova, E.; Abdu, Y.; Hawthorne, F. C.; Khomyakov, A. P. (2013). Kolskyite, (Ca[_])Na2Ti4(Si2O7)2O4(H2O)7, a group-IV Ti-disilicate mineral from the Khibiny alkaline massif, Kola Peninsula, Russia: Description and crystal structure. The Canadian Mineralogist, 51, pp. 921-936.