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...analog Ca12Fe3+ 10 Si4O30F10, and chlormayenite–wadalite Ca12(Al,Fe)14O32Cl2–Ca12(Al,Fe)10Si4O32Cl2. The...Ca10(Si2O7)3Cl2). Assemblages of zoned chlormayenite–wadalite crystals are found in grained aggregates of fluorellestadite– |