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 = 1000 C _database_code_amcsd 0006693 CELL PARAMETERS: 4.8691 10.5954 6.2114 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 320.447 Density (g/cm3): 3.551 MAX. ABS. INTENSITY / VOLUME**2: 10.54172201 RIR: 0.967 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.73 3.96 5.2977 0 2 0 2 20.07 1.12 4.4243 1 1 0 4 22.05 51.44 4.0308 0 2 1 4 23.21 12.18 3.8320 1 0 1 4 24.71 56.59 3.6036 1 1 1 8 24.84 9.75 3.5849 1 2 0 4 28.75 18.61 3.1057 0 0 2 2 28.75 6.23 3.1049 1 2 1 8 31.29 49.04 2.8589 1 3 0 4 33.45 15.08 2.6792 0 2 2 4 33.84 7.24 2.6488 0 4 0 2 34.54 100.00 2.5970 1 3 1 8 35.31 76.35 2.5419 1 1 2 8 36.89 5.79 2.4365 0 4 1 4 36.92 5.83 2.4346 2 0 0 2 37.92 8.85 2.3727 2 1 0 4 38.35 20.38 2.3473 1 2 2 8 38.70 15.31 2.3268 1 4 0 4 40.71 10.72 2.2165 2 1 1 8 43.00 9.37 2.1034 1 3 2 8 45.24 1.04 2.0045 2 3 0 4 46.75 7.03 1.9430 1 5 0 4 47.45 1.40 1.9160 2 0 2 4 48.55 8.26 1.8753 1 1 3 8 49.13 10.32 1.8544 1 5 1 8 50.66 59.18 1.8018 2 2 2 8 50.93 3.40 1.7929 1 2 3 8 50.95 20.95 1.7925 2 4 0 4 53.18 5.15 1.7222 2 4 1 8 53.98 5.54 1.6986 0 6 1 4 54.74 19.05 1.6769 1 3 3 8 55.81 2.24 1.6472 1 5 2 8 56.41 4.49 1.6313 0 4 3 4 57.44 3.20 1.6043 3 1 0 4 59.23 1.63 1.5600 2 1 3 8 59.51 4.84 1.5533 3 1 1 8 59.53 17.83 1.5529 0 0 4 2 59.57 1.44 1.5518 3 2 0 4 59.74 2.36 1.5480 2 5 1 8 60.29 29.93 1.5351 0 6 2 4 61.33 1.05 1.5116 2 2 3 8 61.60 1.25 1.5056 3 2 1 8 63.03 1.35 1.4748 3 3 0 4 64.47 5.36 1.4454 1 7 0 4 65.00 5.70 1.4349 3 3 1 8 65.48 3.98 1.4254 3 1 2 8 65.93 2.07 1.4168 1 5 3 8 67.47 7.61 1.3882 3 2 2 8 67.71 2.85 1.3839 3 4 0 4 68.80 4.19 1.3646 1 3 4 8 69.60 2.86 1.3508 3 4 1 8 70.03 1.46 1.3436 0 6 3 4 70.27 1.25 1.3396 0 4 4 4 72.15 2.25 1.3092 2 0 4 4 72.84 3.93 1.2985 2 6 2 8 75.08 1.25 1.2652 2 5 3 8 78.59 2.22 1.2173 4 0 0 2 78.92 1.92 1.2131 1 5 4 8 79.20 1.09 1.2095 0 2 5 4 79.85 2.28 1.2012 3 3 3 8 80.74 1.76 1.1902 3 5 2 8 80.94 1.34 1.1877 2 7 2 8 82.12 3.69 1.1737 2 4 4 8 82.14 1.00 1.1735 3 6 1 8 83.00 2.52 1.1634 2 8 0 4 84.14 1.96 1.1506 3 4 3 8 85.16 3.09 1.1394 1 3 5 8 86.33 1.34 1.1269 4 1 2 8 86.48 2.15 1.1254 1 9 1 8 88.15 1.93 1.1083 4 2 2 8 88.28 1.14 1.1070 3 7 0 4 88.37 1.23 1.1061 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.