Citation: Stepanov, A. V.; Bekenova, G. K.; Levin, V. L.; Sokolova, E.; Hawthorne, F. C.; Dobrovol'skaya, E. A. (2012). Tarbagataite, (K,_)2(Ca,Na)(Fe2+,Mn)7Ti2(Si4O12)2O2(OH)4(OH,F), a new astrophyllite-group mineral species from the Verkhnee Espe Deposit, Akjailyautas Mountains, Kazakhstan: Description and crystal structure. The Canadian Mineralogist, 50, pp. 159-168.