Periclase_117 Formula: Mg O Name: Periclase Unit cell: 4.1655 4.1655 4.1655 90.0 90.0 90.0 , V=72.28 Space group: FM3M (225)
Zhang J , Physics and Chemistry of Minerals , 27 (2000) p.145-148, Effect of pressure on the thermal expansion of MgO up to 8.2 GPa, Sample: Run3 at T = 773 K, P = 8.20 GPa