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, 3rd run, T = 550 C _database_code_amcsd 0008818 CELL PARAMETERS: 8.1359 8.1359 8.1359 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 538.538 Density (g/cm3): 3.558 MAX. ABS. INTENSITY / VOLUME**2: 18.68754040 RIR: 1.710 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.89 36.27 4.6973 1 1 1 8 31.09 33.65 2.8765 2 2 0 12 36.63 100.00 2.4531 3 1 1 24 44.55 55.48 2.0340 4 0 0 6 55.32 8.62 1.6607 4 2 2 24 58.99 2.76 1.5658 3 3 3 8 58.99 42.93 1.5658 5 1 1 24 64.83 67.13 1.4382 4 4 0 12 68.19 3.37 1.3752 5 3 1 48 73.64 2.45 1.2864 6 2 0 24 76.83 9.29 1.2407 5 3 3 24 77.88 1.02 1.2265 6 2 2 24 82.06 6.10 1.1743 4 4 4 8 85.17 2.84 1.1393 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.