Spinel Andreozzi G B, Princivalle F American Mineralogist 87 (2002) 838-844 Kinetics of cation ordering in synthetic MgAl2O4 spinel Sample: annealed at 1000 deg C for 12h, then isothermally ordered at 700 deg C for 57600 min _database_code_amcsd 0002847 CELL PARAMETERS: 8.0850 8.0850 8.0850 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 528.494 Density (g/cm3): 3.576 MAX. ABS. INTENSITY / VOLUME**2: 19.02428804 RIR: 1.732 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.01 32.19 4.6679 1 1 1 8 31.29 33.46 2.8585 2 2 0 12 36.87 100.00 2.4377 3 1 1 24 38.57 1.09 2.3339 2 2 2 8 44.84 56.52 2.0213 4 0 0 6 55.70 9.47 1.6503 4 2 2 24 59.40 3.15 1.5560 3 3 3 8 59.40 44.51 1.5560 5 1 1 24 65.28 73.25 1.4292 4 4 0 12 68.68 3.25 1.3666 5 3 1 48 74.18 3.00 1.2784 6 2 0 24 77.40 10.54 1.2330 5 3 3 24 78.47 1.00 1.2189 6 2 2 24 82.69 6.88 1.1670 4 4 4 8 85.84 2.92 1.1321 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.