AM_Periclase_26 Formula: Mg O Name: Periclase Unit cell: 3.952 3.952 3.952 90.0 90.0 90.0 , V=61.72 Space group: FM3M (225)

Jacobsen S D , Holl C M , Adams K A , Fischer R A , Martin E S , Bina C R , Lin J F , Prakapenka V B , Kubo A , Dera P , American Mineralogist , 93 (2008) p.1823-1828, Compression of single-crystal magnesium oxide to 118 GPa and a ruby pressure, gauge for helium pressure media, Note: P = 42.9 GPa using ruby-scale, Note: P = 44.8 GPa using MgO-scale