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 = 700 C _database_code_amcsd 0008466 CELL PARAMETERS: 4.8276 10.4332 6.1001 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 307.246 Density (g/cm3): 3.723 MAX. ABS. INTENSITY / VOLUME**2: 12.42319636 RIR: 1.087 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.00 12.46 5.2166 0 2 0 2 20.27 2.13 4.3813 1 1 0 4 22.43 26.07 3.9646 0 2 1 4 23.50 12.38 3.7856 1 0 1 4 25.02 44.88 3.5586 1 1 1 8 25.13 10.38 3.5432 1 2 0 4 29.15 4.26 3.0638 1 2 1 8 29.28 10.65 3.0501 0 0 2 2 31.71 85.49 2.8218 1 3 0 4 34.05 17.02 2.6330 0 2 2 4 34.38 4.24 2.6083 0 4 0 2 35.04 72.62 2.5610 1 3 1 8 35.87 100.00 2.5032 1 1 2 8 37.25 7.47 2.4138 2 0 0 2 37.50 13.29 2.3983 0 4 1 4 38.27 7.45 2.3517 2 1 0 4 38.96 20.07 2.3116 1 2 2 8 39.26 16.00 2.2948 1 4 0 4 41.14 11.67 2.1943 2 1 1 8 43.70 4.70 2.0713 1 3 2 8 43.91 1.29 2.0617 2 2 1 8 45.76 1.66 1.9830 2 3 0 4 45.77 2.02 1.9823 0 4 2 4 47.47 3.65 1.9154 1 5 0 4 49.41 7.48 1.8444 1 1 3 8 49.90 5.73 1.8274 1 5 1 8 51.35 68.40 1.7793 2 2 2 8 51.59 20.13 1.7716 2 4 0 4 51.84 2.80 1.7636 1 2 3 8 53.89 11.61 1.7013 2 4 1 8 54.90 13.27 1.6723 0 6 1 4 55.25 1.53 1.6625 2 3 2 8 55.72 16.04 1.6497 1 3 3 8 56.75 10.37 1.6221 1 5 2 8 57.47 7.47 1.6036 0 4 3 4 57.99 3.83 1.5904 3 1 0 4 60.12 4.99 1.5390 3 1 1 8 60.16 2.06 1.5381 2 1 3 8 60.18 1.47 1.5377 3 2 0 4 60.43 3.85 1.5319 2 4 2 8 60.59 3.20 1.5282 2 5 1 8 60.73 21.78 1.5250 0 0 4 2 61.37 26.68 1.5106 0 6 2 4 63.72 4.24 1.4604 3 3 0 4 65.55 10.54 1.4241 1 7 0 4 65.75 6.22 1.4203 3 3 1 8 66.28 7.61 1.4102 3 1 2 8 67.14 1.28 1.3942 1 5 3 8 68.23 2.05 1.3746 2 6 1 8 68.31 9.60 1.3731 3 2 2 8 68.51 2.88 1.3695 3 4 0 4 70.15 10.35 1.3416 1 3 4 8 70.47 2.90 1.3363 3 4 1 8 70.50 1.76 1.3357 2 4 3 8 71.37 4.31 1.3215 0 6 3 4 71.69 1.11 1.3165 0 4 4 4 73.45 3.36 1.2893 2 0 4 4 74.03 2.80 1.2805 2 6 2 8 74.10 1.04 1.2795 2 1 4 8 75.32 1.17 1.2619 3 0 3 4 75.96 1.03 1.2527 3 1 3 8 76.38 1.78 1.2469 2 5 3 8 79.40 3.53 1.2069 4 0 0 2 80.51 1.39 1.1931 1 5 4 8 81.07 2.84 1.1862 3 3 3 8 81.94 5.53 1.1758 3 5 2 8 82.35 1.73 1.1710 2 7 2 8 82.97 1.36 1.1638 1 8 2 8 83.34 1.55 1.1595 3 6 1 8 83.37 1.27 1.1592 2 6 3 8 83.67 4.86 1.1558 2 4 4 8 84.43 2.11 1.1474 2 8 0 4 85.48 2.35 1.1359 3 4 3 8 86.26 1.23 1.1276 2 8 1 8 87.01 3.53 1.1198 1 3 5 8 87.40 1.54 1.1158 4 1 2 8 88.91 1.22 1.1007 3 1 4 8 89.28 3.61 1.0971 4 2 2 8 89.47 1.88 1.0953 4 4 0 4 89.66 3.39 1.0935 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.