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 = 66.5 GPa using ruby-scale Note: P = 69.4 GPa using MgO-scale _database_code_amcsd 0004722 CELL PARAMETERS: 3.8650 3.8650 3.8650 90.000 90.000 90.000 SPACE GROUP: Fm3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 57.736 Density (g/cm3): 4.636 MAX. ABS. INTENSITY / VOLUME**2: 41.15599349 RIR: 2.891 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 40.42 12.78 2.2315 1 1 1 8 47.02 100.00 1.9325 2 0 0 6 68.69 47.24 1.3665 2 2 0 12 82.83 6.45 1.1653 3 1 1 24 87.41 13.04 1.1157 2 2 2 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.