Mayenite-supergroup minerals from burned dump of the Chelyabinsk Coal Basin V.V. Sharygin a,b,* a V.S. Sobolev... 630090, Russia b Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia Received...composition) from the dump at the Baturinskaya-Vostochnaya-1-2 mine. These are eltyubyuite Ca12Fe3+ 10...harmunite CaFe2O4, chlorellestadite, fluorapatite, anhydrite, rondorfite Ca8Mg(SiO4)4Cl2, fluorine analog of...burned spoil heaps; Chelyabinsk coal basin Introduction The combustion of coal mine spoil heaps leads |