Periclase
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) 1823-1828
Compression of single-crystal magnesium oxide to 118 GPa and a ruby pressure
gauge for helium pressure media
Note: P = 53.0 GPa using ruby-scale
Note: P = 55.1 GPa using MgO-scale
_database_code_amcsd 0004695
3.913 3.913 3.913 90 90 90 Fm3m
atom  x  y  z
Mg    0  0  0
O    .5 .5 .5