Citation: Stepanov, A. V.; Bekenova, G. K.; Levin, V. L.; Hawthorne, F. C. (2012). Natrotitanite, ideally (Na0.5Y0.5)Ti(SiO4)O, a new mineral from the Verkhnee Espe deposit, Akjailyautas mountains, Eastern Kazakhstan district, Kazakhstan: description and crystal structure. Mineralogical Magazine, 76, pp. 37-44.