MgMnSiO4 Redfern S A T, Henderson C M B, Knight K S, Wood B J European Journal of Mineralogy 9 (1997) 287-300 High-temperature order-disorder in (Fe0.5Mn0.5)2SiO4 and (Mg0.5Mn0.5)2SiO4 olivines: an in situ neutron diffraction study Sample: T = 500 C _database_code_amcsd 0006683 CELL PARAMETERS: 4.8355 10.5439 6.1727 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 314.716 Density (g/cm3): 3.615 MAX. ABS. INTENSITY / VOLUME**2: 11.20560414 RIR: 1.009 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.82 1.66 5.2719 0 2 0 2 22.17 24.88 4.0088 0 2 1 4 23.37 10.00 3.8066 1 0 1 4 24.87 68.76 3.5804 1 1 1 8 24.99 12.03 3.5635 1 2 0 4 28.93 24.48 3.0863 0 0 2 2 28.93 7.48 3.0862 1 2 1 8 31.47 71.73 2.8430 1 3 0 4 33.65 14.88 2.6635 0 2 2 4 34.01 4.05 2.6360 0 4 0 2 34.74 100.00 2.5823 1 3 1 8 35.54 85.48 2.5258 1 1 2 8 37.09 18.42 2.4242 0 4 1 4 37.19 5.93 2.4178 2 0 0 2 38.19 10.22 2.3566 2 1 0 4 38.59 20.98 2.3330 1 2 2 8 38.91 18.24 2.3144 1 4 0 4 40.99 9.53 2.2016 2 1 1 8 43.27 1.54 2.0910 1 3 2 8 43.72 1.77 2.0704 2 2 1 8 47.01 1.67 1.9330 1 5 0 4 47.79 2.86 1.9033 2 0 2 4 48.61 1.92 1.8730 2 1 2 8 48.87 10.99 1.8635 1 1 3 8 49.41 6.55 1.8446 1 5 1 8 51.02 67.46 1.7902 2 2 2 8 51.27 3.98 1.7819 1 2 3 8 51.27 20.76 1.7818 2 4 0 4 53.53 13.77 1.7119 2 4 1 8 54.27 13.67 1.6902 0 6 1 4 55.10 21.63 1.6668 1 3 3 8 56.15 8.89 1.6382 1 5 2 8 56.76 9.64 1.6219 0 4 3 4 57.87 2.52 1.5933 3 1 0 4 59.66 1.68 1.5499 2 1 3 8 59.94 22.56 1.5432 0 0 4 2 59.95 1.38 1.5431 2 4 2 8 59.96 6.79 1.5428 3 1 1 8 60.02 1.92 1.5414 3 2 0 4 60.12 4.14 1.5390 2 5 1 8 60.64 28.77 1.5271 0 6 2 4 62.06 2.06 1.4955 3 2 1 8 63.50 3.20 1.4651 3 3 0 4 64.83 11.49 1.4381 1 7 0 4 65.48 6.51 1.4255 3 3 1 8 65.98 5.73 1.4158 3 1 2 8 66.35 1.47 1.4088 1 5 3 8 67.63 2.19 1.3852 2 6 1 8 67.98 11.27 1.3790 3 2 2 8 68.20 2.91 1.3751 3 4 0 4 69.28 8.64 1.3563 1 3 4 8 69.83 2.15 1.3469 2 4 3 8 70.11 3.77 1.3422 3 4 1 8 70.47 4.19 1.3363 0 6 3 4 70.74 1.23 1.3317 0 4 4 4 72.51 1.75 1.3035 1 7 2 8 72.69 3.19 1.3008 2 0 4 4 73.32 2.52 1.2911 2 6 2 8 73.33 1.49 1.2910 2 1 4 8 73.80 1.08 1.2839 1 4 4 8 75.46 1.58 1.2598 3 1 3 8 75.60 2.18 1.2577 2 5 3 8 79.24 3.47 1.2089 4 0 0 2 80.47 3.06 1.1935 3 3 3 8 81.35 5.00 1.1828 3 5 2 8 81.49 1.50 1.1811 2 7 2 8 81.95 1.57 1.1757 1 8 2 8 82.47 1.44 1.1695 2 6 3 8 82.73 4.94 1.1665 2 4 4 8 82.74 1.46 1.1664 3 6 1 8 83.55 1.79 1.1572 2 8 0 4 84.80 3.03 1.1433 3 4 3 8 85.34 1.63 1.1374 2 8 1 8 85.81 4.62 1.1324 1 3 5 8 87.07 2.40 1.1193 4 1 2 8 88.91 2.97 1.1008 4 2 2 8 88.93 3.12 1.1005 3 7 0 4 89.11 1.57 1.0988 4 4 0 4 89.97 1.58 1.0906 3 2 4 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.