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 = 750 C _database_code_amcsd 0006688 CELL PARAMETERS: 4.8530 10.5664 6.1908 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 317.456 Density (g/cm3): 3.584 MAX. ABS. INTENSITY / VOLUME**2: 10.77456026 RIR: 0.979 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.78 2.76 5.2832 0 2 0 2 22.12 35.89 4.0187 0 2 1 4 23.29 7.61 3.8194 1 0 1 4 24.79 60.46 3.5919 1 1 1 8 24.91 11.44 3.5740 1 2 0 4 28.84 20.88 3.0954 0 0 2 2 28.84 9.66 3.0952 1 2 1 8 31.38 62.45 2.8505 1 3 0 4 33.55 15.17 2.6708 0 2 2 4 33.94 5.77 2.6416 0 4 0 2 34.64 100.00 2.5892 1 3 1 8 35.43 83.91 2.5336 1 1 2 8 37.00 11.91 2.4297 0 4 1 4 37.05 5.77 2.4265 2 0 0 2 38.05 12.45 2.3649 2 1 0 4 38.47 20.35 2.3398 1 2 2 8 38.81 18.22 2.3202 1 4 0 4 40.85 9.60 2.2092 2 1 1 8 43.14 4.50 2.0969 1 3 2 8 46.89 3.77 1.9375 1 5 0 4 47.62 1.95 1.9097 2 0 2 4 48.44 2.50 1.8792 2 1 2 8 48.72 9.19 1.8691 1 1 3 8 49.28 8.58 1.8491 1 5 1 8 50.84 62.31 1.7960 2 2 2 8 51.11 4.48 1.7871 1 2 3 8 51.11 20.26 1.7870 2 4 0 4 53.36 9.32 1.7169 2 4 1 8 54.15 9.91 1.6939 0 6 1 4 54.93 20.45 1.6716 1 3 3 8 55.99 5.33 1.6423 1 5 2 8 56.60 7.01 1.6262 0 4 3 4 57.65 2.85 1.5990 3 1 0 4 59.45 1.57 1.5549 2 1 3 8 59.73 4.76 1.5482 3 1 1 8 59.75 20.38 1.5477 0 0 4 2 59.75 1.24 1.5476 2 4 2 8 59.79 1.83 1.5468 3 2 0 4 59.94 3.79 1.5433 2 5 1 8 60.48 29.99 1.5307 0 6 2 4 61.82 2.71 1.5007 3 2 1 8 63.26 2.22 1.4700 3 3 0 4 64.67 8.67 1.4414 1 7 0 4 65.23 5.88 1.4303 3 3 1 8 65.73 5.03 1.4207 3 1 2 8 66.16 1.85 1.4125 1 5 3 8 67.72 9.88 1.3836 3 2 2 8 67.95 2.52 1.3795 3 4 0 4 69.05 6.43 1.3601 1 3 4 8 69.59 1.10 1.3509 2 4 3 8 69.85 4.39 1.3465 3 4 1 8 70.27 2.89 1.3396 0 6 3 4 70.52 1.27 1.3354 0 4 4 4 72.43 2.68 1.3049 2 0 4 4 73.07 1.61 1.2950 2 1 4 8 73.09 3.37 1.2946 2 6 2 8 75.35 1.95 1.2613 2 5 3 8 78.90 2.63 1.2133 4 0 0 2 79.21 1.30 1.2093 1 5 4 8 79.51 1.02 1.2055 0 2 5 4 80.16 2.55 1.1973 3 3 3 8 81.05 2.98 1.1864 3 5 2 8 81.23 1.72 1.1842 2 7 2 8 81.71 1.35 1.1785 1 8 2 8 82.44 4.14 1.1699 2 4 4 8 83.29 2.27 1.1601 2 8 0 4 84.47 3.06 1.1469 3 4 3 8 85.51 3.83 1.1357 1 3 5 8 86.69 2.57 1.1232 4 1 2 8 86.78 1.40 1.1222 1 9 1 8 88.52 2.03 1.1046 4 2 2 8 88.62 2.01 1.1036 3 7 0 4 88.73 1.21 1.1025 4 4 0 4 89.60 1.33 1.0941 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.