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 = 610 K on cooling cycle, MgAl2O4 _database_code_amcsd 0002140 CELL PARAMETERS: 8.1056 8.1056 8.1056 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 532.550 Density (g/cm3): 3.548 MAX. ABS. INTENSITY / VOLUME**2: 18.49026204 RIR: 1.697 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.96 32.21 4.6798 1 1 1 8 31.21 33.05 2.8658 2 2 0 12 36.77 100.00 2.4439 3 1 1 24 38.47 1.17 2.3399 2 2 2 8 44.72 56.68 2.0264 4 0 0 6 55.54 9.16 1.6546 4 2 2 24 59.23 3.12 1.5599 3 3 3 8 59.23 42.42 1.5599 5 1 1 24 65.10 70.75 1.4329 4 4 0 12 68.48 3.11 1.3701 5 3 1 48 73.96 2.82 1.2816 6 2 0 24 77.17 9.79 1.2361 5 3 3 24 82.44 6.59 1.1699 4 4 4 8 85.56 2.67 1.1350 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.