FeMnSiO4 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 0006661 CELL PARAMETERS: 4.8829 10.6447 6.2107 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 322.813 Density (g/cm3): 4.174 MAX. ABS. INTENSITY / VOLUME**2: 21.31429220 RIR: 1.663 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.66 13.06 5.3224 0 2 0 2 20.01 5.80 4.4382 1 1 0 4 21.99 4.09 4.0414 0 2 1 4 24.65 46.55 3.6110 1 1 1 8 24.74 9.78 3.5981 1 2 0 4 28.67 9.59 3.1133 1 2 1 8 28.75 5.53 3.1053 0 0 2 2 31.16 98.78 2.8704 1 3 0 4 33.41 26.83 2.6822 0 2 2 4 33.68 5.62 2.6612 0 4 0 2 34.42 44.50 2.6056 1 3 1 8 35.27 100.00 2.5444 1 1 2 8 36.74 17.74 2.4461 0 4 1 4 36.81 10.58 2.4415 2 0 0 2 37.81 13.36 2.3797 2 1 0 4 38.29 6.91 2.3509 1 2 2 8 38.53 14.04 2.3367 1 4 0 4 40.60 3.62 2.2221 2 1 1 8 40.66 1.14 2.2191 2 2 0 4 42.91 2.91 2.1079 1 3 2 8 43.30 2.68 2.0897 2 2 1 8 44.85 4.62 2.0207 0 4 2 4 46.54 1.64 1.9515 1 5 0 4 47.52 1.09 1.9135 2 3 1 8 47.72 1.10 1.9060 1 0 3 4 48.18 4.00 1.8888 2 1 2 8 48.52 7.76 1.8762 1 1 3 8 50.55 51.89 1.8055 2 2 2 8 50.75 13.42 1.7990 2 4 0 4 50.89 3.83 1.7944 1 2 3 8 51.51 1.76 1.7741 0 6 0 2 52.99 11.14 1.7280 2 4 1 8 53.73 11.66 1.7059 0 6 1 4 54.66 9.80 1.6791 1 3 3 8 55.62 17.26 1.6523 1 5 2 8 56.30 8.18 1.6340 0 4 3 4 57.26 3.80 1.6089 3 1 0 4 59.33 2.29 1.5575 3 1 1 8 59.37 5.96 1.5567 2 4 2 8 59.38 2.27 1.5565 3 2 0 4 59.50 5.30 1.5536 2 5 1 8 59.54 16.83 1.5527 0 0 4 2 60.06 13.96 1.5404 0 6 2 4 61.41 3.46 1.5098 3 2 1 8 62.81 4.50 1.4794 3 3 0 4 64.14 10.43 1.4519 1 7 0 4 64.78 2.43 1.4391 3 3 1 8 65.32 7.56 1.4286 3 1 2 8 66.09 2.13 1.4138 1 7 1 8 66.91 2.02 1.3984 2 6 1 8 67.29 8.08 1.3915 3 2 2 8 68.73 12.09 1.3657 1 3 4 8 69.18 2.00 1.3579 2 4 3 8 69.35 3.08 1.3551 3 4 1 8 69.82 3.93 1.3471 0 6 3 4 70.18 1.30 1.3411 0 4 4 4 72.09 3.72 1.3102 2 0 4 4 72.56 1.54 1.3028 2 6 2 8 72.72 2.00 1.3004 2 1 4 8 73.19 1.02 1.2932 1 4 4 8 74.87 2.72 1.2682 2 5 3 8 76.58 1.02 1.2441 3 2 3 8 78.15 2.33 1.2230 0 8 2 4 78.33 1.98 1.2207 4 0 0 2 79.66 1.12 1.2037 3 3 3 8 80.46 5.14 1.1937 3 5 2 8 80.86 1.29 1.1887 1 7 3 8 81.05 1.13 1.1864 1 8 2 8 81.63 1.14 1.1795 2 6 3 8 81.79 1.11 1.1776 3 6 1 8 81.97 3.36 1.1754 2 4 4 8 83.91 2.15 1.1532 3 4 3 8 85.10 2.12 1.1400 1 3 5 8 86.07 3.23 1.1297 4 1 2 8 87.26 1.24 1.1173 3 1 4 8 87.86 2.53 1.1112 3 7 0 4 87.87 2.11 1.1111 4 2 2 8 89.07 1.52 1.0992 3 2 4 8 89.66 2.77 1.0935 2 8 2 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.