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 = 961 K on cooling cycle, MgAl2O4 _database_code_amcsd 0002135 CELL PARAMETERS: 8.1285 8.1285 8.1285 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 537.078 Density (g/cm3): 3.518 MAX. ABS. INTENSITY / VOLUME**2: 17.94424912 RIR: 1.661 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.91 31.94 4.6930 1 1 1 8 31.12 32.94 2.8739 2 2 0 12 36.67 100.00 2.4508 3 1 1 24 38.36 1.16 2.3465 2 2 2 8 44.59 56.31 2.0321 4 0 0 6 55.37 8.82 1.6592 4 2 2 24 59.05 3.09 1.5643 3 3 3 8 59.05 40.51 1.5643 5 1 1 24 64.89 67.66 1.4369 4 4 0 12 68.26 3.02 1.3740 5 3 1 48 73.72 2.62 1.2852 6 2 0 24 76.91 9.11 1.2396 5 3 3 24 82.15 6.19 1.1733 4 4 4 8 85.27 2.45 1.1382 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.