AM_Periclase_182 Formula: Mg O Name: Periclase Unit cell: 4.1842 4.1842 4.1842 90.0 90.0 90.0 , V=73.25 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: Run2 at T = 673 K, P = 5.44 GPa