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 = 500 C, Data collected on cooling _database_code_amcsd 0006674 CELL PARAMETERS: 4.8798 10.6376 6.2060 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 322.149 Density (g/cm3): 4.182 MAX. ABS. INTENSITY / VOLUME**2: 21.42493155 RIR: 1.668 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.67 12.34 5.3188 0 2 0 2 20.02 6.07 4.4354 1 1 0 4 22.01 4.74 4.0385 0 2 1 4 23.19 1.60 3.8360 1 0 1 4 24.67 48.53 3.6085 1 1 1 8 24.76 8.31 3.5957 1 2 0 4 28.69 7.46 3.1112 1 2 1 8 28.77 5.49 3.1030 0 0 2 2 31.18 98.48 2.8685 1 3 0 4 33.43 27.60 2.6802 0 2 2 4 33.70 6.33 2.6594 0 4 0 2 34.44 47.94 2.6038 1 3 1 8 35.30 100.00 2.5426 1 1 2 8 36.77 17.14 2.4444 0 4 1 4 36.84 11.79 2.4399 2 0 0 2 37.83 10.87 2.3781 2 1 0 4 38.31 7.94 2.3492 1 2 2 8 38.55 12.72 2.3351 1 4 0 4 40.63 4.04 2.2207 2 1 1 8 42.94 3.16 2.1064 1 3 2 8 43.33 2.82 2.0884 2 2 1 8 44.89 4.24 2.0193 0 4 2 4 46.57 1.67 1.9502 1 5 0 4 48.21 2.69 1.8876 2 1 2 8 48.56 8.22 1.8748 1 1 3 8 48.96 1.36 1.8605 1 5 1 8 50.59 55.70 1.8043 2 2 2 8 50.78 14.68 1.7979 2 4 0 4 50.93 3.32 1.7931 1 2 3 8 51.55 1.55 1.7729 0 6 0 2 53.03 11.98 1.7269 2 4 1 8 53.77 11.87 1.7047 0 6 1 4 54.70 10.68 1.6779 1 3 3 8 55.66 17.66 1.6512 1 5 2 8 56.35 8.11 1.6328 0 4 3 4 57.30 3.72 1.6079 3 1 0 4 59.38 3.32 1.5565 3 1 1 8 59.41 5.41 1.5556 2 4 2 8 59.42 1.94 1.5555 3 2 0 4 59.54 4.19 1.5525 2 5 1 8 59.59 17.25 1.5515 0 0 4 2 60.11 15.13 1.5394 0 6 2 4 61.45 2.67 1.5088 3 2 1 8 62.86 5.05 1.4785 3 3 0 4 64.19 11.09 1.4509 1 7 0 4 64.83 3.19 1.4382 3 3 1 8 65.37 8.16 1.4276 3 1 2 8 66.14 1.79 1.4128 1 7 1 8 66.96 2.41 1.3974 2 6 1 8 67.34 7.43 1.3906 3 2 2 8 68.79 12.42 1.3647 1 3 4 8 69.24 2.23 1.3570 2 4 3 8 69.40 2.92 1.3542 3 4 1 8 69.87 4.08 1.3462 0 6 3 4 70.24 1.48 1.3401 0 4 4 4 72.15 4.16 1.3092 2 0 4 4 72.62 1.90 1.3019 2 6 2 8 72.78 1.62 1.2994 2 1 4 8 74.93 2.25 1.2674 2 5 3 8 78.21 2.18 1.2222 0 8 2 4 78.38 2.53 1.2199 4 0 0 2 79.72 1.49 1.2028 3 3 3 8 80.52 6.09 1.1929 3 5 2 8 80.93 1.13 1.1879 1 7 3 8 81.12 1.05 1.1856 1 8 2 8 81.70 1.36 1.1787 2 6 3 8 81.85 1.03 1.1768 3 6 1 8 82.04 3.86 1.1746 2 4 4 8 83.98 2.07 1.1524 3 4 3 8 85.18 2.35 1.1391 1 3 5 8 86.14 2.88 1.1289 4 1 2 8 87.34 1.24 1.1165 3 1 4 8 87.93 3.06 1.1104 3 7 0 4 87.94 2.89 1.1103 4 2 2 8 88.09 1.23 1.1088 4 4 0 4 89.14 1.36 1.0985 3 2 4 8 89.74 2.81 1.0928 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.