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 ISIS, Rutherford Appleton Laboratory, U.K. T = 1073 K on heating cycle, MgAl2O4 _database_code_amcsd 0002150 CELL PARAMETERS: 8.1392 8.1392 8.1392 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 539.186 Density (g/cm3): 3.505 MAX. ABS. INTENSITY / VOLUME**2: 17.58677905 RIR: 1.634 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.88 32.30 4.6991 1 1 1 8 31.08 32.81 2.8776 2 2 0 12 36.62 100.00 2.4540 3 1 1 24 38.31 1.06 2.3496 2 2 2 8 44.53 56.19 2.0348 4 0 0 6 55.29 8.45 1.6614 4 2 2 24 58.97 3.05 1.5664 3 3 3 8 58.97 39.34 1.5664 5 1 1 24 64.80 65.34 1.4388 4 4 0 12 68.16 3.13 1.3758 5 3 1 48 73.60 2.41 1.2869 6 2 0 24 76.79 8.68 1.2412 5 3 3 24 82.02 6.00 1.1748 4 4 4 8 85.13 2.40 1.1397 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.