Spinel Martignago F, Andreozzi G B, Dal Negro A American Mineralogist 91 (2006) 306-312 Thermodynamics and kinetics of cation ordering in natural and synthetic Mg(Al,Fe3+)2O4 spinels from in situ high-temperature X-ray diffraction Locality: synthetic Sample: MgFe20, T = 1000 C _database_code_amcsd 0004029 CELL PARAMETERS: 8.1871 8.1871 8.1871 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 548.770 Density (g/cm3): 3.584 MAX. ABS. INTENSITY / VOLUME**2: 20.20019093 RIR: 1.835 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.77 22.82 4.7268 1 1 1 8 30.89 34.81 2.8946 2 2 0 12 36.40 100.00 2.4685 3 1 1 24 44.25 45.35 2.0468 4 0 0 6 54.94 9.26 1.6712 4 2 2 24 58.59 3.34 1.5756 3 3 3 8 58.59 34.95 1.5756 5 1 1 24 64.37 57.02 1.4473 4 4 0 12 67.71 1.76 1.3839 5 3 1 48 73.10 2.74 1.2945 6 2 0 24 76.26 7.84 1.2485 5 3 3 24 81.44 4.20 1.1817 4 4 4 8 84.51 1.37 1.1464 5 5 1 24 89.60 3.76 1.0940 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.