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 = 516 K on cooling cycle, MgAl2O4 _database_code_amcsd 0002141 CELL PARAMETERS: 8.0970 8.0970 8.0970 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 530.853 Density (g/cm3): 3.560 MAX. ABS. INTENSITY / VOLUME**2: 18.72606787 RIR: 1.713 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.98 32.05 4.6748 1 1 1 8 31.24 33.09 2.8627 2 2 0 12 36.82 100.00 2.4413 3 1 1 24 38.52 1.18 2.3374 2 2 2 8 44.77 56.77 2.0243 4 0 0 6 55.61 9.31 1.6528 4 2 2 24 59.30 3.15 1.5583 3 3 3 8 59.30 43.12 1.5583 5 1 1 24 65.18 72.02 1.4314 4 4 0 12 68.56 3.13 1.3686 5 3 1 48 74.05 2.91 1.2802 6 2 0 24 77.27 10.07 1.2348 5 3 3 24 82.54 6.75 1.1687 4 4 4 8 85.68 2.75 1.1338 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.