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 = 200 C _database_code_amcsd 0006679 CELL PARAMETERS: 4.8240 10.4977 6.1515 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 311.516 Density (g/cm3): 3.653 MAX. ABS. INTENSITY / VOLUME**2: 11.58485622 RIR: 1.033 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.89 2.14 5.2488 0 2 0 2 22.26 25.31 3.9929 0 2 1 4 23.44 9.80 3.7960 1 0 1 4 24.94 67.26 3.5698 1 1 1 8 25.07 11.76 3.5518 1 2 0 4 29.03 7.61 3.0759 1 2 1 8 29.03 22.99 3.0758 0 0 2 2 31.59 71.57 2.8325 1 3 0 4 33.78 15.69 2.6537 0 2 2 4 34.16 4.39 2.6244 0 4 0 2 34.87 100.00 2.5729 1 3 1 8 35.66 87.90 2.5177 1 1 2 8 37.25 17.68 2.4139 0 4 1 4 37.28 6.11 2.4120 2 0 0 2 38.29 10.28 2.3507 2 1 0 4 38.73 21.71 2.3251 1 2 2 8 39.07 18.52 2.3053 1 4 0 4 41.11 9.72 2.1959 2 1 1 8 43.43 2.06 2.0836 1 3 2 8 43.85 1.72 2.0645 2 2 1 8 47.21 2.01 1.9251 1 5 0 4 47.93 2.68 1.8980 2 0 2 4 48.76 2.07 1.8677 2 1 2 8 49.05 11.45 1.8573 1 1 3 8 49.62 7.12 1.8372 1 5 1 8 51.18 72.24 1.7849 2 2 2 8 51.46 22.90 1.7759 2 4 0 4 51.46 4.16 1.7758 1 2 3 8 53.72 14.05 1.7062 2 4 1 8 54.53 14.02 1.6829 0 6 1 4 55.31 22.73 1.6610 1 3 3 8 56.38 9.82 1.6318 1 5 2 8 56.99 9.82 1.6158 0 4 3 4 58.03 2.89 1.5895 3 1 0 4 59.85 1.78 1.5452 2 1 3 8 60.13 7.28 1.5389 3 1 1 8 60.17 1.48 1.5379 2 4 2 8 60.17 24.45 1.5379 0 0 4 2 60.19 1.98 1.5375 3 2 0 4 60.35 4.37 1.5336 2 5 1 8 60.92 31.82 1.5208 0 6 2 4 62.24 2.26 1.4916 3 2 1 8 63.69 3.63 1.4611 3 3 0 4 65.14 12.66 1.4321 1 7 0 4 65.68 7.20 1.4216 3 3 1 8 66.18 6.48 1.4121 3 1 2 8 66.64 1.75 1.4035 1 5 3 8 67.92 2.28 1.3801 2 6 1 8 68.19 12.25 1.3752 3 2 2 8 68.43 3.15 1.3711 3 4 0 4 69.56 9.72 1.3515 1 3 4 8 70.10 2.29 1.3424 2 4 3 8 70.35 4.14 1.3383 3 4 1 8 70.79 4.54 1.3310 0 6 3 4 71.04 1.55 1.3268 0 4 4 4 72.86 1.71 1.2982 1 7 2 8 72.96 3.66 1.2967 2 0 4 4 73.60 1.65 1.2869 2 1 4 8 73.64 3.08 1.2864 2 6 2 8 74.11 1.24 1.2793 1 4 4 8 75.71 1.86 1.2562 3 1 3 8 75.92 2.38 1.2533 2 5 3 8 79.47 4.14 1.2060 4 0 0 2 80.12 1.00 1.1978 0 2 5 4 80.76 3.58 1.1899 3 3 3 8 81.21 1.16 1.1845 1 1 5 8 81.66 5.99 1.1791 3 5 2 8 81.86 1.68 1.1767 2 7 2 8 82.36 1.74 1.1709 1 8 2 8 82.84 1.60 1.1653 2 6 3 8 83.07 1.51 1.1626 3 6 1 8 83.08 6.30 1.1626 2 4 4 8 83.95 2.30 1.1527 2 8 0 4 85.12 3.47 1.1398 3 4 3 8 85.76 1.97 1.1330 2 8 1 8 86.18 5.34 1.1284 1 3 5 8 87.35 2.78 1.1164 4 1 2 8 88.46 1.01 1.1052 3 1 4 8 89.20 3.77 1.0979 4 2 2 8 89.32 3.78 1.0967 3 7 0 4 89.42 1.98 1.0958 4 4 0 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.