AM_Periclase_172 Formula: Mg O Name: Periclase Unit cell: 4.2143 4.2143 4.2143 90.0 90.0 90.0 , V=74.85 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: Run1 at T = 773 K, P = 2.61 GPa