Forsterite Redfern S A T, Artioli G, Rinaldi R, Henderson C M B, Knight K S, Wood B J Physics and Chemistry of Minerals 27 (2000) 630-637 Octahedral cation ordering in olivine at high temperature. II: an in situ neutron powder diffraction study on synthetic MgFeSiO4 (Fa50) Sample: T = 850 C _database_code_amcsd 0008468 CELL PARAMETERS: 4.8341 10.4515 6.1115 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 308.775 Density (g/cm3): 3.704 MAX. ABS. INTENSITY / VOLUME**2: 11.89286195 RIR: 1.045 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.97 9.25 5.2257 0 2 0 2 20.24 1.20 4.3875 1 1 0 4 22.38 26.95 3.9718 0 2 1 4 23.46 12.33 3.7914 1 0 1 4 24.98 48.93 3.5641 1 1 1 8 25.09 11.07 3.5486 1 2 0 4 29.10 4.75 3.0688 1 2 1 8 29.23 12.23 3.0557 0 0 2 2 31.66 87.45 2.8263 1 3 0 4 33.99 18.00 2.6379 0 2 2 4 34.32 3.92 2.6129 0 4 0 2 34.98 75.86 2.5653 1 3 1 8 35.81 100.00 2.5075 1 1 2 8 37.20 7.57 2.4170 2 0 0 2 37.43 13.35 2.4025 0 4 1 4 38.22 8.10 2.3549 2 1 0 4 38.89 19.99 2.3156 1 2 2 8 39.19 15.99 2.2986 1 4 0 4 41.08 11.94 2.1974 2 1 1 8 43.62 4.17 2.0749 1 3 2 8 43.85 1.51 2.0648 2 2 1 8 45.68 1.51 1.9859 2 3 0 4 45.69 1.92 1.9859 0 4 2 4 47.38 3.39 1.9186 1 5 0 4 47.99 1.03 1.8957 2 0 2 4 49.32 7.77 1.8477 1 1 3 8 49.81 6.38 1.8305 1 5 1 8 51.26 67.87 1.7821 2 2 2 8 51.51 20.27 1.7743 2 4 0 4 51.74 2.84 1.7667 1 2 3 8 53.80 11.31 1.7039 2 4 1 8 54.80 14.03 1.6752 0 6 1 4 55.16 1.37 1.6651 2 3 2 8 55.61 16.18 1.6526 1 3 3 8 56.65 10.07 1.6249 1 5 2 8 57.35 7.31 1.6066 0 4 3 4 57.90 3.99 1.5926 3 1 0 4 60.03 5.18 1.5411 3 1 1 8 60.05 2.04 1.5407 2 1 3 8 60.09 1.54 1.5398 3 2 0 4 60.32 3.50 1.5344 2 4 2 8 60.48 3.27 1.5307 2 5 1 8 60.61 21.52 1.5279 0 0 4 2 61.25 25.88 1.5133 0 6 2 4 63.62 4.04 1.4625 3 3 0 4 65.42 10.02 1.4266 1 7 0 4 65.64 5.89 1.4223 3 3 1 8 66.17 7.03 1.4123 3 1 2 8 67.00 1.38 1.3967 1 5 3 8 68.10 2.04 1.3768 2 6 1 8 68.20 9.47 1.3751 3 2 2 8 68.40 2.58 1.3715 3 4 0 4 70.00 10.15 1.3441 1 3 4 8 70.35 3.08 1.3382 3 4 1 8 70.37 1.64 1.3380 2 4 3 8 71.23 4.39 1.3239 0 6 3 4 73.30 3.24 1.2915 2 0 4 4 73.89 2.66 1.2826 2 6 2 8 73.95 1.08 1.2817 2 1 4 8 75.18 1.14 1.2638 3 0 3 4 75.82 1.01 1.2547 3 1 3 8 76.23 1.78 1.2490 2 5 3 8 79.27 3.21 1.2085 4 0 0 2 80.33 1.34 1.1952 1 5 4 8 80.92 2.59 1.1880 3 3 3 8 81.79 5.39 1.1776 3 5 2 8 82.18 1.77 1.1730 2 7 2 8 82.79 1.31 1.1658 1 8 2 8 83.19 1.42 1.1613 3 6 1 8 83.20 1.23 1.1611 2 6 3 8 83.50 4.66 1.1578 2 4 4 8 84.25 1.97 1.1493 2 8 0 4 85.31 2.37 1.1377 3 4 3 8 86.08 1.18 1.1295 2 8 1 8 86.81 3.34 1.1219 1 3 5 8 87.25 1.58 1.1174 4 1 2 8 88.73 1.24 1.1025 3 1 4 8 89.12 3.47 1.0987 4 2 2 8 89.31 1.78 1.0969 4 4 0 4 89.48 3.12 1.0952 3 7 0 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.