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 = 650 C _database_code_amcsd 0006686 CELL PARAMETERS: 4.8459 10.5566 6.1830 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 316.299 Density (g/cm3): 3.597 MAX. ABS. INTENSITY / VOLUME**2: 11.02058725 RIR: 0.998 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.80 1.96 5.2783 0 2 0 2 22.14 32.60 4.0144 0 2 1 4 23.32 7.73 3.8141 1 0 1 4 24.82 62.94 3.5871 1 1 1 8 24.94 11.64 3.5697 1 2 0 4 28.88 22.13 3.0915 0 0 2 2 28.88 9.47 3.0914 1 2 1 8 31.42 64.18 2.8473 1 3 0 4 33.60 15.07 2.6676 0 2 2 4 33.97 5.43 2.6391 0 4 0 2 34.68 100.00 2.5863 1 3 1 8 35.48 82.62 2.5303 1 1 2 8 37.04 13.24 2.4273 0 4 1 4 37.11 5.63 2.4230 2 0 0 2 38.11 12.83 2.3615 2 1 0 4 38.52 20.03 2.3369 1 2 2 8 38.86 18.69 2.3177 1 4 0 4 40.91 9.57 2.2061 2 1 1 8 43.20 3.59 2.0944 1 3 2 8 46.94 3.06 1.9356 1 5 0 4 47.69 2.11 1.9070 2 0 2 4 48.51 2.64 1.8767 2 1 2 8 48.78 9.89 1.8667 1 1 3 8 49.33 8.39 1.8472 1 5 1 8 50.91 63.82 1.7936 2 2 2 8 51.18 4.58 1.7849 1 2 3 8 51.18 20.52 1.7848 2 4 0 4 53.43 10.20 1.7148 2 4 1 8 54.20 10.77 1.6923 0 6 1 4 55.00 20.92 1.6695 1 3 3 8 56.06 6.13 1.6406 1 5 2 8 56.67 7.73 1.6244 0 4 3 4 57.74 2.84 1.5967 3 1 0 4 59.53 1.58 1.5528 2 1 3 8 59.82 5.26 1.5460 3 1 1 8 59.83 21.00 1.5458 0 0 4 2 59.83 1.14 1.5457 2 4 2 8 59.88 1.95 1.5446 3 2 0 4 60.01 4.14 1.5415 2 5 1 8 60.55 30.31 1.5291 0 6 2 4 61.92 2.87 1.4985 3 2 1 8 63.36 2.34 1.4680 3 3 0 4 64.74 9.40 1.4400 1 7 0 4 65.33 5.96 1.4283 3 3 1 8 65.83 5.16 1.4187 3 1 2 8 66.01 1.04 1.4152 2 5 2 8 66.24 1.85 1.4109 1 5 3 8 67.51 1.22 1.3874 2 6 1 8 67.83 10.41 1.3817 3 2 2 8 68.05 2.56 1.3777 3 4 0 4 69.15 6.99 1.3585 1 3 4 8 69.69 1.26 1.3492 2 4 3 8 69.96 4.50 1.3447 3 4 1 8 70.35 3.25 1.3381 0 6 3 4 70.62 1.32 1.3338 0 4 4 4 72.54 2.81 1.3031 2 0 4 4 73.18 1.73 1.2933 2 1 4 8 73.19 3.16 1.2931 2 6 2 8 73.66 1.01 1.2860 1 4 4 8 75.29 1.01 1.2622 3 1 3 8 75.46 2.16 1.2598 2 5 3 8 79.04 2.77 1.2115 4 0 0 2 79.32 1.13 1.2079 1 5 4 8 79.63 1.02 1.2040 0 2 5 4 80.29 2.66 1.1957 3 3 3 8 81.17 3.52 1.1849 3 5 2 8 81.34 1.78 1.1829 2 7 2 8 81.81 1.45 1.1773 1 8 2 8 82.56 4.49 1.1685 2 4 4 8 83.40 2.30 1.1589 2 8 0 4 84.61 3.24 1.1454 3 4 3 8 85.64 4.11 1.1342 1 3 5 8 86.84 2.78 1.1216 4 1 2 8 86.88 1.24 1.1211 1 9 1 8 88.68 2.25 1.1031 4 2 2 8 88.75 2.27 1.1023 3 7 0 4 88.88 1.33 1.1010 4 4 0 4 89.75 1.46 1.0926 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.