Spinel Redfern S A T, Harrison R J, O'Neill H St C, Wood D R R American Mineralogist 84 (1999) 299-310 Thermodynamics and kinetics of cation ordering in MgAl2O4 spinel up to 1600 C from in situ neutron diffraction Data collected at IPNS, Argonne National Laboratory, T = 420 K on heating cycle, Mg.99Al2O4 _database_code_amcsd 0002161 CELL PARAMETERS: 8.0992 8.0992 8.0992 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 531.292 Density (g/cm3): 3.557 MAX. ABS. INTENSITY / VOLUME**2: 18.97862159 RIR: 1.737 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.98 30.09 4.6761 1 1 1 8 31.24 32.75 2.8635 2 2 0 12 36.80 100.00 2.4420 3 1 1 24 38.50 1.21 2.3380 2 2 2 8 44.76 56.42 2.0248 4 0 0 6 55.59 9.52 1.6533 4 2 2 24 59.29 3.34 1.5587 3 3 3 8 59.29 42.62 1.5587 5 1 1 24 65.16 72.81 1.4318 4 4 0 12 68.54 2.97 1.3690 5 3 1 48 74.03 3.09 1.2806 6 2 0 24 77.24 10.27 1.2351 5 3 3 24 82.52 6.80 1.1690 4 4 4 8 85.65 2.60 1.1341 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.