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 = 550 C _database_code_amcsd 0006684 CELL PARAMETERS: 4.8388 10.5478 6.1761 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 315.221 Density (g/cm3): 3.610 MAX. ABS. INTENSITY / VOLUME**2: 11.44263472 RIR: 1.032 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.81 2.06 5.2739 0 2 0 2 22.16 27.39 4.0106 0 2 1 4 23.35 11.23 3.8090 1 0 1 4 24.85 66.41 3.5826 1 1 1 8 24.97 11.05 3.5655 1 2 0 4 28.91 22.72 3.0880 0 0 2 2 28.91 6.29 3.0879 1 2 1 8 31.45 66.71 2.8444 1 3 0 4 33.63 15.29 2.6648 0 2 2 4 34.00 4.75 2.6370 0 4 0 2 34.72 100.00 2.5835 1 3 1 8 35.52 83.74 2.5273 1 1 2 8 37.07 16.06 2.4251 0 4 1 4 37.16 6.16 2.4194 2 0 0 2 38.16 8.50 2.3582 2 1 0 4 38.57 21.01 2.3343 1 2 2 8 38.90 16.69 2.3155 1 4 0 4 40.97 9.71 2.2030 2 1 1 8 43.24 2.43 2.0921 1 3 2 8 43.69 1.42 2.0717 2 2 1 8 45.51 1.16 1.9931 2 3 0 4 46.99 2.23 1.9338 1 5 0 4 47.76 2.64 1.9045 2 0 2 4 48.58 1.31 1.8742 2 1 2 8 48.85 10.78 1.8645 1 1 3 8 49.38 7.44 1.8454 1 5 1 8 50.98 67.58 1.7913 2 2 2 8 51.24 3.52 1.7828 1 2 3 8 51.24 21.84 1.7827 2 4 0 4 53.50 12.31 1.7128 2 4 1 8 54.25 12.28 1.6908 0 6 1 4 55.07 21.72 1.6677 1 3 3 8 56.12 8.15 1.6389 1 5 2 8 56.73 8.68 1.6227 0 4 3 4 57.83 2.72 1.5944 3 1 0 4 59.62 1.72 1.5509 2 1 3 8 59.91 22.14 1.5440 0 0 4 2 59.91 1.14 1.5439 2 4 2 8 59.92 7.00 1.5438 3 1 1 8 59.97 1.69 1.5424 3 2 0 4 60.09 3.44 1.5398 2 5 1 8 60.61 29.87 1.5278 0 6 2 4 62.02 1.55 1.4965 3 2 1 8 63.45 3.10 1.4660 3 3 0 4 64.80 11.07 1.4387 1 7 0 4 65.43 6.82 1.4264 3 3 1 8 65.93 5.62 1.4167 3 1 2 8 66.32 1.75 1.4095 1 5 3 8 67.59 1.84 1.3859 2 6 1 8 67.93 10.31 1.3799 3 2 2 8 68.15 3.09 1.3760 3 4 0 4 69.24 8.15 1.3570 1 3 4 8 69.79 1.89 1.3477 2 4 3 8 70.06 3.27 1.3430 3 4 1 8 70.43 3.74 1.3369 0 6 3 4 70.70 1.44 1.3324 0 4 4 4 72.48 1.44 1.3041 1 7 2 8 72.64 3.31 1.3016 2 0 4 4 73.28 3.22 1.2918 2 6 2 8 73.28 1.21 1.2918 2 1 4 8 75.41 1.70 1.2606 3 1 3 8 75.56 1.83 1.2584 2 5 3 8 79.18 3.55 1.2097 4 0 0 2 80.42 3.22 1.1942 3 3 3 8 81.29 4.87 1.1835 3 5 2 8 81.44 1.42 1.1817 2 7 2 8 81.90 1.39 1.1762 1 8 2 8 82.42 1.25 1.1701 2 6 3 8 82.68 5.38 1.1671 2 4 4 8 82.68 1.46 1.1671 3 6 1 8 83.50 2.11 1.1577 2 8 0 4 84.74 2.66 1.1440 3 4 3 8 85.30 1.57 1.1379 2 8 1 8 85.75 4.65 1.1330 1 3 5 8 86.99 1.94 1.1200 4 1 2 8 88.83 3.34 1.1015 4 2 2 8 88.88 3.06 1.1011 3 7 0 4 89.04 1.78 1.0995 4 4 0 4 89.90 1.40 1.0912 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.