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 = 18.6 GPa using ruby-scale Note: P = 18.9 GPa using MgO-scale _database_code_amcsd 0004705 CELL PARAMETERS: 4.0780 4.0780 4.0780 90.000 90.000 90.000 SPACE GROUP: Fm3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 67.817 Density (g/cm3): 3.947 MAX. ABS. INTENSITY / VOLUME**2: 36.38701093 RIR: 3.002 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 38.23 11.62 2.3544 1 1 1 8 44.43 100.00 2.0390 2 0 0 6 64.65 49.18 1.4418 2 2 0 12 77.66 6.37 1.2296 3 1 1 24 81.82 13.33 1.1772 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.