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 = 1088 K on cooling cycle, MgAl2O4 _database_code_amcsd 0002133 CELL PARAMETERS: 8.1378 8.1378 8.1378 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 538.910 Density (g/cm3): 3.499 MAX. ABS. INTENSITY / VOLUME**2: 9.140941656 RIR: 0.851 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.89 16.92 4.6983 1 1 1 8 31.08 24.34 2.8771 2 2 0 12 36.62 11.89 2.4536 3 1 1 24 38.32 100.00 2.3492 2 2 2 8 44.54 36.06 2.0344 4 0 0 6 48.78 11.58 1.8669 3 3 1 24 55.30 1.42 1.6611 4 2 2 24 58.98 7.49 1.5661 5 1 1 24 64.81 22.43 1.4386 4 4 0 12 77.86 14.38 1.2268 6 2 2 24 82.04 3.22 1.1746 4 4 4 8 85.15 1.29 1.1395 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.