Forsterite Redfern S A T, Artioli G, Rinaldi R, Henderson C M B, Knight K S, Wood B J Physics and Chemistry of Minerals 27 (2000) 630-637 Octahedral cation ordering in olivine at high temperature. II: an in situ neutron powder diffraction study on synthetic MgFeSiO4 (Fa50) Sample: T = 450 C _database_code_amcsd 0008462 CELL PARAMETERS: 4.8168 10.4029 6.0800 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 304.661 Density (g/cm3): 3.754 MAX. ABS. INTENSITY / VOLUME**2: 13.10625530 RIR: 1.137 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.05 14.03 5.2014 0 2 0 2 20.32 2.99 4.3710 1 1 0 4 22.50 25.98 3.9524 0 2 1 4 23.56 11.92 3.7755 1 0 1 4 25.09 40.73 3.5490 1 1 1 8 25.20 9.43 3.5342 1 2 0 4 29.23 3.98 3.0555 1 2 1 8 29.38 9.18 3.0400 0 0 2 2 31.80 83.60 2.8142 1 3 0 4 34.16 16.80 2.6246 0 2 2 4 34.49 4.45 2.6007 0 4 0 2 35.14 70.19 2.5539 1 3 1 8 35.99 100.00 2.4957 1 1 2 8 37.34 7.51 2.4084 2 0 0 2 37.62 12.23 2.3912 0 4 1 4 38.36 7.05 2.3463 2 1 0 4 39.08 20.14 2.3047 1 2 2 8 39.37 15.90 2.2885 1 4 0 4 41.24 11.28 2.1890 2 1 1 8 43.84 5.47 2.0652 1 3 2 8 44.03 1.05 2.0567 2 2 1 8 45.87 1.62 1.9781 2 3 0 4 45.92 2.32 1.9762 0 4 2 4 47.61 4.13 1.9100 1 5 0 4 49.58 7.18 1.8386 1 1 3 8 50.06 5.72 1.8222 1 5 1 8 51.50 69.18 1.7745 2 2 2 8 51.73 20.54 1.7671 2 4 0 4 52.02 2.78 1.7581 1 2 3 8 54.04 11.55 1.6969 2 4 1 8 55.08 12.95 1.6673 0 6 1 4 55.42 1.55 1.6580 2 3 2 8 55.91 16.12 1.6446 1 3 3 8 56.94 10.42 1.6173 1 5 2 8 57.66 7.31 1.5986 0 4 3 4 58.13 3.97 1.5868 3 1 0 4 60.28 4.89 1.5354 3 1 1 8 60.33 1.48 1.5342 3 2 0 4 60.35 2.05 1.5337 2 1 3 8 60.61 4.01 1.5277 2 4 2 8 60.77 3.13 1.5242 2 5 1 8 60.95 22.27 1.5200 0 0 4 2 61.58 28.00 1.5061 0 6 2 4 63.89 4.42 1.4570 3 3 0 4 65.76 10.99 1.4201 1 7 0 4 65.93 6.58 1.4169 3 3 1 8 66.46 8.18 1.4067 3 1 2 8 67.37 1.35 1.3900 1 5 3 8 68.44 2.02 1.3709 2 6 1 8 68.51 9.84 1.3696 3 2 2 8 68.70 3.05 1.3662 3 4 0 4 70.40 10.79 1.3374 1 3 4 8 70.67 2.94 1.3330 3 4 1 8 70.73 1.81 1.3319 2 4 3 8 71.63 4.43 1.3175 0 6 3 4 71.95 1.24 1.3123 0 4 4 4 73.70 3.59 1.2854 2 0 4 4 74.27 3.15 1.2770 2 6 2 8 74.36 1.04 1.2757 2 1 4 8 75.02 1.04 1.2662 1 4 4 8 75.55 1.23 1.2585 3 0 3 4 76.20 1.05 1.2494 3 1 3 8 76.64 1.81 1.2433 2 5 3 8 79.61 3.90 1.2042 4 0 0 2 80.81 1.59 1.1894 1 5 4 8 81.33 3.13 1.1830 3 3 3 8 82.20 5.90 1.1727 3 5 2 8 82.63 1.80 1.1677 2 7 2 8 83.27 1.37 1.1604 1 8 2 8 83.61 1.62 1.1565 3 6 1 8 83.67 1.28 1.1558 2 6 3 8 83.98 5.37 1.1523 2 4 4 8 84.71 2.46 1.1442 2 8 0 4 85.77 2.44 1.1328 3 4 3 8 86.56 1.30 1.1245 2 8 1 8 87.36 3.83 1.1163 1 3 5 8 87.67 1.63 1.1131 4 1 2 8 89.23 1.34 1.0977 3 1 4 8 89.56 3.98 1.0945 4 2 2 8 89.74 2.08 1.0927 4 4 0 4 89.96 3.71 1.0906 3 7 0 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.