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 = 850 C _database_code_amcsd 0006690 CELL PARAMETERS: 4.8592 10.5772 6.1988 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 318.598 Density (g/cm3): 3.571 MAX. ABS. INTENSITY / VOLUME**2: 10.84471339 RIR: 0.989 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.76 3.16 5.2886 0 2 0 2 22.09 39.80 4.0233 0 2 1 4 23.26 11.04 3.8243 1 0 1 4 24.76 58.67 3.5964 1 1 1 8 24.88 10.16 3.5782 1 2 0 4 28.80 19.13 3.0994 0 0 2 2 28.81 6.30 3.0989 1 2 1 8 31.35 60.43 2.8537 1 3 0 4 33.51 16.25 2.6740 0 2 2 4 33.90 6.17 2.6443 0 4 0 2 34.60 100.00 2.5922 1 3 1 8 35.38 82.01 2.5368 1 1 2 8 36.96 9.39 2.4322 0 4 1 4 37.00 6.33 2.4296 2 0 0 2 38.00 9.27 2.3679 2 1 0 4 38.42 21.00 2.3427 1 2 2 8 38.77 16.54 2.3227 1 4 0 4 40.79 10.12 2.2120 2 1 1 8 43.09 6.02 2.0994 1 3 2 8 46.84 4.82 1.9396 1 5 0 4 47.55 1.78 1.9121 2 0 2 4 48.37 1.11 1.8816 2 1 2 8 48.65 9.28 1.8715 1 1 3 8 49.22 10.04 1.8511 1 5 1 8 50.77 64.73 1.7982 2 2 2 8 51.04 3.45 1.7893 1 2 3 8 51.05 22.03 1.7891 2 4 0 4 53.29 7.94 1.7189 2 4 1 8 54.08 8.85 1.6956 0 6 1 4 54.86 20.45 1.6736 1 3 3 8 55.92 4.73 1.6442 1 5 2 8 56.52 6.02 1.6281 0 4 3 4 57.57 3.19 1.6011 3 1 0 4 59.36 1.62 1.5569 2 1 3 8 59.64 5.67 1.5502 3 1 1 8 59.66 20.20 1.5497 0 0 4 2 59.71 1.60 1.5487 3 2 0 4 59.86 2.91 1.5451 2 5 1 8 60.41 31.15 1.5323 0 6 2 4 61.74 1.44 1.5025 3 2 1 8 63.17 2.13 1.4718 3 3 0 4 64.59 7.86 1.4429 1 7 0 4 65.14 6.44 1.4320 3 3 1 8 65.63 5.10 1.4225 3 1 2 8 66.07 2.25 1.4142 1 5 3 8 67.62 8.81 1.3854 3 2 2 8 67.86 2.80 1.3812 3 4 0 4 68.96 6.28 1.3618 1 3 4 8 69.76 3.30 1.3482 3 4 1 8 70.18 2.57 1.3411 0 6 3 4 70.42 1.42 1.3370 0 4 4 4 72.32 2.86 1.3065 2 0 4 4 72.96 1.12 1.2967 2 1 4 8 73.00 4.02 1.2961 2 6 2 8 75.05 1.12 1.2656 3 1 3 8 75.25 1.54 1.2628 2 5 3 8 78.78 2.86 1.2148 4 0 0 2 79.10 1.55 1.2107 1 5 4 8 79.39 1.03 1.2070 0 2 5 4 80.04 2.80 1.1988 3 3 3 8 80.93 3.11 1.1879 3 5 2 8 81.12 1.52 1.1855 2 7 2 8 81.61 1.07 1.1797 1 8 2 8 82.32 4.73 1.1714 2 4 4 8 82.33 1.04 1.1712 3 6 1 8 83.18 2.74 1.1613 2 8 0 4 84.34 2.37 1.1483 3 4 3 8 85.37 3.81 1.1371 1 3 5 8 86.55 1.74 1.1246 4 1 2 8 86.67 1.69 1.1234 1 9 1 8 88.38 2.67 1.1060 4 2 2 8 88.49 1.99 1.1049 3 7 0 4 88.59 1.57 1.1039 4 4 0 4 89.46 1.14 1.0955 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.