Spinel Martignago F, Dal Negro A, Carbonin S Physics and Chemistry of Minerals 30 (2003) 401-408 How Cr3+ and Fe3+ affect Mg-Al order-disorder transformation at high temperature in natural spinels Sample: L-Fe, 2nd run, T = 500 C _database_code_amcsd 0008816 CELL PARAMETERS: 8.1318 8.1318 8.1318 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 537.725 Density (g/cm3): 3.564 MAX. ABS. INTENSITY / VOLUME**2: 18.76739504 RIR: 1.714 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.90 37.51 4.6949 1 1 1 8 31.11 33.14 2.8750 2 2 0 12 36.65 100.00 2.4518 3 1 1 24 44.57 56.30 2.0329 4 0 0 6 55.35 8.53 1.6599 4 2 2 24 59.02 43.33 1.5650 5 1 1 24 59.02 2.77 1.5650 3 3 3 8 64.86 67.88 1.4375 4 4 0 12 68.23 3.54 1.3745 5 3 1 48 73.68 2.43 1.2858 6 2 0 24 76.88 9.42 1.2401 5 3 3 24 77.93 1.07 1.2259 6 2 2 24 82.11 6.29 1.1737 4 4 4 8 85.22 2.96 1.1387 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.