Svetlanaite Okrugin V M, Vymazalová A, Kozlov V V, Laufek F, Stanley C J, Shkilev I A Mineralogical Magazine 86 (2022) 234-242 Svetlanaite, SnSe, a new mineral from the Ozernovskoe deposit, Kamchatka peninsula, Russia Locality: synthetic _database_code_amcsd 0021060 11.500 4.154 4.445 90 90 90 Pnma atom x y z Biso Sn .11824 .25 .10078 .10 Se .85467 .25 .48780 .10