Spinel Nestola F, Boffa Ballaran T, Balic-Zunic T, Princivalle F, Secco L, Dal Negro A American Mineralogist 92 (2007) 1838-1843 Comparative compressibility and structural behavior of spinel MgAl2O4 at high pressures: the independency on the degree of cation order Locality: Sri Lanka Sample: P = 7.342 GPa, disordered _database_code_amcsd 0004474 CELL PARAMETERS: 7.9928 7.9928 7.9928 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 510.619 Density (g/cm3): 3.701 MAX. ABS. INTENSITY / VOLUME**2: 19.97394918 RIR: 1.757 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.23 28.18 4.6146 1 1 1 8 31.66 32.49 2.8259 2 2 0 12 37.31 100.00 2.4099 3 1 1 24 39.04 1.08 2.3073 2 2 2 8 45.39 54.95 1.9982 4 0 0 6 56.40 9.58 1.6315 4 2 2 24 60.16 3.55 1.5382 3 3 3 8 60.16 41.16 1.5382 5 1 1 24 66.13 71.30 1.4129 4 4 0 12 69.59 2.77 1.3510 5 3 1 48 75.18 3.19 1.2638 6 2 0 24 78.47 10.26 1.2189 5 3 3 24 83.86 6.60 1.1537 4 4 4 8 87.07 2.37 1.1192 5 5 1 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.