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 = 700 C _database_code_amcsd 0006687 CELL PARAMETERS: 4.8495 10.5610 6.1873 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 316.886 Density (g/cm3): 3.591 MAX. ABS. INTENSITY / VOLUME**2: 11.26248287 RIR: 1.021 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.79 2.74 5.2805 0 2 0 2 22.13 35.56 4.0166 0 2 1 4 23.31 12.23 3.8168 1 0 1 4 24.80 61.51 3.5896 1 1 1 8 24.93 9.94 3.5718 1 2 0 4 28.86 19.95 3.0937 0 0 2 2 28.86 5.13 3.0934 1 2 1 8 31.40 61.12 2.8489 1 3 0 4 33.57 16.34 2.6693 0 2 2 4 33.95 6.01 2.6402 0 4 0 2 34.66 100.00 2.5877 1 3 1 8 35.45 82.33 2.5321 1 1 2 8 37.02 11.06 2.4284 0 4 1 4 37.08 6.66 2.4248 2 0 0 2 38.08 7.66 2.3633 2 1 0 4 38.50 21.04 2.3385 1 2 2 8 38.84 16.02 2.3189 1 4 0 4 40.88 10.21 2.2077 2 1 1 8 43.17 4.86 2.0957 1 3 2 8 45.42 1.27 1.9969 2 3 0 4 46.92 3.97 1.9365 1 5 0 4 47.65 2.19 1.9084 2 0 2 4 48.75 10.03 1.8680 1 1 3 8 49.31 9.70 1.8481 1 5 1 8 50.88 66.92 1.7948 2 2 2 8 51.14 3.16 1.7861 1 2 3 8 51.15 22.64 1.7859 2 4 0 4 53.40 9.33 1.7158 2 4 1 8 54.18 9.81 1.6930 0 6 1 4 54.71 1.11 1.6777 2 3 2 8 54.96 21.28 1.6706 1 3 3 8 56.02 5.98 1.6414 1 5 2 8 56.63 6.80 1.6253 0 4 3 4 57.69 3.00 1.5979 3 1 0 4 59.49 1.71 1.5539 2 1 3 8 59.77 6.36 1.5471 3 1 1 8 59.79 21.01 1.5468 0 0 4 2 59.83 1.47 1.5457 3 2 0 4 59.98 2.81 1.5424 2 5 1 8 60.52 31.51 1.5299 0 6 2 4 61.87 1.13 1.4996 3 2 1 8 63.31 2.61 1.4690 3 3 0 4 64.71 9.14 1.4406 1 7 0 4 65.28 7.28 1.4293 3 3 1 8 65.78 5.57 1.4197 3 1 2 8 66.20 2.31 1.4117 1 5 3 8 67.47 1.12 1.3881 2 6 1 8 67.77 8.96 1.3827 3 2 2 8 68.00 3.03 1.3786 3 4 0 4 69.10 7.05 1.3594 1 3 4 8 69.64 1.18 1.3501 2 4 3 8 69.91 2.87 1.3456 3 4 1 8 70.31 2.94 1.3389 0 6 3 4 70.57 1.63 1.3346 0 4 4 4 72.48 3.34 1.3041 2 0 4 4 73.14 4.32 1.2939 2 6 2 8 75.22 1.44 1.2631 3 1 3 8 75.41 1.51 1.2606 2 5 3 8 78.97 3.36 1.2124 4 0 0 2 79.27 1.39 1.2086 1 5 4 8 80.23 3.32 1.1965 3 3 3 8 81.11 3.78 1.1857 3 5 2 8 81.29 1.40 1.1835 2 7 2 8 81.77 1.11 1.1778 1 8 2 8 82.50 5.37 1.1692 2 4 4 8 82.51 1.28 1.1691 3 6 1 8 83.35 2.80 1.1594 2 8 0 4 84.54 2.24 1.1461 3 4 3 8 85.57 4.31 1.1350 1 3 5 8 86.76 1.53 1.1224 4 1 2 8 86.84 1.61 1.1216 1 9 1 8 88.60 3.32 1.1039 4 2 2 8 88.69 2.53 1.1030 3 7 0 4 88.81 1.85 1.1018 4 4 0 4 89.67 1.16 1.0934 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.