AM_Periclase_138 Formula: Mg O Name: Periclase Unit cell: 4.261 4.261 4.261 90.0 90.0 90.0 , V=77.36 Space group: FM3M (225)

Fiquet G , Richet P , Montagnac G , Physics and Chemistry of Minerals , 27 (1999) p.103-111, High-temperature thermal expansion of lime, periclase,, corundum and spinel, Sample: IR wire, T = 1120 K