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 = 1473 K on heating cycle, MgAl2O4 _database_code_amcsd 0002154 CELL PARAMETERS: 8.1701 8.1701 8.1701 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 545.369 Density (g/cm3): 3.465 MAX. ABS. INTENSITY / VOLUME**2: 16.81917350 RIR: 1.581 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.81 30.33 4.7170 1 1 1 8 30.96 32.50 2.8886 2 2 0 12 36.47 100.00 2.4634 3 1 1 24 38.16 1.06 2.3585 2 2 2 8 44.35 54.79 2.0425 4 0 0 6 55.07 8.05 1.6677 4 2 2 24 58.72 3.10 1.5723 3 3 3 8 58.72 35.52 1.5723 5 1 1 24 64.52 59.95 1.4443 4 4 0 12 67.87 2.73 1.3810 5 3 1 48 73.28 2.21 1.2918 6 2 0 24 76.45 7.61 1.2459 5 3 3 24 81.65 5.21 1.1793 4 4 4 8 84.73 1.88 1.1440 5 5 1 24 89.84 3.00 1.0918 6 4 2 48 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.