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 5000 min _database_code_amcsd 0002846 CELL PARAMETERS: 8.0848 8.0848 8.0848 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 528.455 Density (g/cm3): 3.576 MAX. ABS. INTENSITY / VOLUME**2: 19.05583484 RIR: 1.735 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.01 32.04 4.6678 1 1 1 8 31.29 33.45 2.8584 2 2 0 12 36.87 100.00 2.4377 3 1 1 24 38.58 1.10 2.3339 2 2 2 8 44.84 56.46 2.0212 4 0 0 6 55.70 9.50 1.6503 4 2 2 24 59.40 3.16 1.5559 3 3 3 8 59.40 44.51 1.5559 5 1 1 24 65.29 73.35 1.4292 4 4 0 12 68.68 3.22 1.3666 5 3 1 48 74.18 3.03 1.2783 6 2 0 24 77.41 10.58 1.2329 5 3 3 24 82.70 6.88 1.1669 4 4 4 8 85.84 2.90 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.