MgAl2O4 Kojitani H, Hisatomi R, Akaogi M American Mineralogist 92 (2007) 1112-1118 High-pressure relations and crystal chemistry of calcium ferrite-type solid solutions in the system MgAl2O4-Mg2SiO4 Note: synthesized from MgAl2O4 spinel at 27 GPa and 2200 C Note: data collected at room conditinos _database_code_amcsd 0004381 CELL PARAMETERS: 9.9498 8.6468 2.7901 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 240.043 Density (g/cm3): 3.936 MAX. ABS. INTENSITY / VOLUME**2: 6.632398096 RIR: 0.549 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.83 4.20 4.9749 2 0 0 2 20.54 24.41 4.3234 0 2 0 2 20.60 2.31 4.3121 2 1 0 4 27.33 10.44 3.2633 2 2 0 4 28.83 2.67 3.0966 3 1 0 4 32.34 4.24 2.7684 1 3 0 4 33.35 8.68 2.6865 1 0 1 4 34.07 1.27 2.6315 3 2 0 4 34.97 2.90 2.5655 1 1 1 8 36.01 100.00 2.4939 2 3 0 4 36.11 58.39 2.4874 4 0 0 2 37.63 1.16 2.3905 4 1 0 4 38.40 20.64 2.3443 0 2 1 4 38.43 48.67 2.3425 2 1 1 8 39.49 1.79 2.2818 1 2 1 8 41.51 7.02 2.1755 3 3 0 4 42.33 17.96 2.1351 3 0 1 4 42.63 6.16 2.1207 2 2 1 8 42.81 16.22 2.1124 1 4 0 4 43.67 81.61 2.0728 3 1 1 8 45.76 28.61 1.9826 2 4 0 4 46.19 56.34 1.9652 1 3 1 8 46.85 8.79 1.9393 5 1 0 4 47.49 12.27 1.9144 3 2 1 8 48.33 3.03 1.8831 4 3 0 4 48.99 7.85 1.8594 2 3 1 8 50.26 20.82 1.8153 4 1 1 8 50.49 3.33 1.8077 5 2 0 4 53.40 16.03 1.7156 3 3 1 8 53.63 30.62 1.7088 0 4 1 4 53.73 56.89 1.7060 4 2 1 8 53.80 1.81 1.7038 1 5 0 4 54.48 30.23 1.6842 1 4 1 8 56.17 2.71 1.6376 5 3 0 4 56.32 3.43 1.6335 2 5 0 4 56.39 1.66 1.6317 4 4 0 4 56.50 1.35 1.6286 6 1 0 4 56.83 11.44 1.6201 5 0 1 4 56.98 6.07 1.6161 2 4 1 8 59.72 20.40 1.5483 6 2 0 4 60.99 11.20 1.5191 3 4 1 8 61.08 1.29 1.5171 5 2 1 8 64.68 15.89 1.4411 0 6 0 2 64.87 20.81 1.4374 6 3 0 4 65.44 1.39 1.4263 1 6 0 4 65.77 2.12 1.4199 4 5 0 4 66.17 1.96 1.4123 5 3 1 8 66.31 20.38 1.4097 2 5 1 8 66.37 32.60 1.4085 4 4 1 8 66.47 21.82 1.4065 6 1 1 8 67.09 37.90 1.3951 0 0 2 2 67.69 1.08 1.3842 2 6 0 4 69.42 15.40 1.3538 6 2 1 8 69.63 2.22 1.3503 7 2 0 4 70.99 1.02 1.3276 0 2 2 4 71.36 2.67 1.3217 3 6 0 4 71.74 3.73 1.3157 6 4 0 4 74.22 4.92 1.2778 6 3 1 8 75.93 5.05 1.2531 7 1 1 8 76.37 11.70 1.2470 4 6 0 4 76.61 1.48 1.2437 8 0 0 2 76.88 3.41 1.2400 2 6 1 8 77.54 4.71 1.2311 8 1 0 4 78.57 21.90 1.2175 2 3 2 8 78.63 10.90 1.2168 4 0 2 4 80.04 3.86 1.1989 2 7 0 4 80.75 3.96 1.1901 6 4 1 8 82.67 2.99 1.1672 5 6 0 4 82.94 1.75 1.1641 1 4 2 8 83.34 2.95 1.1595 7 3 1 8 84.92 2.20 1.1419 8 3 0 4 85.02 4.77 1.1409 2 4 2 8 85.25 1.44 1.1384 4 6 1 8 85.80 1.22 1.1325 5 1 2 8 86.39 1.21 1.1263 8 1 1 8 86.77 1.47 1.1223 1 7 1 8 88.84 3.03 1.1015 2 7 1 8 88.99 1.91 1.1000 6 5 1 8 89.12 2.13 1.0987 8 2 1 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.