Periclase Dubrovinsky L S, Lazor P, Saxena S K, Haggkvist P, Weber H P, Le Bihan T, Hausermann D Physics and Chemistry of Minerals 26 (1999) 539-545 Study of laser heated iron using third generation synchrotron X-ray radiation facility with imaging plate at high pressures Sample: P = 61 GPa, T = 300 K _database_code_amcsd 0008231 3.899 3.899 3.899 90 90 90 Fm3m atom x y z Mg 0 0 0 O .5 .5 .5