AM_Periclase_167 Formula: Mg O Name: Periclase Unit cell: 4.1899 4.1899 4.1899 90.0 90.0 90.0 , V=73.55 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 = 300 K, P = 2.65 GPa