Periclase Zhang J Physics and Chemistry of Minerals 27 (2000) 145-148 Effect of pressure on the thermal expansion of MgO up to 8.2 GPa Sample: Run1 at T = 300 K, P = 0.00 GPa, measured at beginning of the experiments _database_code_amcsd 0008366 4.2131 4.2131 4.2131 90 90 90 Fm3m atom x y z Mg 0 0 0 O .5 .5 .5