RRUFF Ideal Chemistry changed from "K2ZrSi3O9·H2O" to "K2Zr4+Si3O9·H2O"
Mineral Comment changed from
Khomyakov A P, Voronkov A A, Polezhaeva L I, Smolyaninova N N (1983) Kostylevite, K4Zr2Si6O18·2H2O, a new mineral, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 112, issue 4, 469-474
Dunn P J, Fleischer M, Francis C A, Langley R H, Kissin S A, Shigley J E, Vanko D A, Zilczer J A (1984) New mineral names, American Mineralogist 69, 810-815
to
Khomyakov A P, Voronkov A A, Polezhaeva L I, Smolyaninova N N (1983) Kostylevite, K4Zr2Si6O18·2H2O, a new mineral, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 112(4), 469-474
