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 = 400 C _database_code_amcsd 0008461 CELL PARAMETERS: 4.8147 10.3971 6.0760 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 304.158 Density (g/cm3): 3.761 MAX. ABS. INTENSITY / VOLUME**2: 13.15431540 RIR: 1.139 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.06 13.59 5.1986 0 2 0 2 20.33 3.01 4.3690 1 1 0 4 22.51 26.15 3.9501 0 2 1 4 23.58 12.03 3.7736 1 0 1 4 25.10 40.84 3.5472 1 1 1 8 25.21 9.27 3.5324 1 2 0 4 29.24 3.86 3.0538 1 2 1 8 29.40 9.18 3.0380 0 0 2 2 31.81 83.61 2.8128 1 3 0 4 34.18 16.86 2.6229 0 2 2 4 34.51 4.54 2.5993 0 4 0 2 35.16 70.56 2.5525 1 3 1 8 36.01 100.00 2.4943 1 1 2 8 37.35 7.57 2.4074 2 0 0 2 37.64 12.09 2.3898 0 4 1 4 38.38 6.94 2.3453 2 1 0 4 39.11 20.31 2.3033 1 2 2 8 39.39 15.98 2.2872 1 4 0 4 41.26 11.31 2.1880 2 1 1 8 43.86 5.56 2.0640 1 3 2 8 44.05 1.04 2.0557 2 2 1 8 45.90 1.65 1.9772 2 3 0 4 45.95 2.35 1.9750 0 4 2 4 47.64 4.17 1.9090 1 5 0 4 49.61 7.24 1.8375 1 1 3 8 50.09 5.88 1.8212 1 5 1 8 51.53 69.85 1.7736 2 2 2 8 51.76 20.72 1.7662 2 4 0 4 52.05 2.77 1.7570 1 2 3 8 54.07 11.57 1.6960 2 4 1 8 55.11 13.02 1.6664 0 6 1 4 55.45 1.60 1.6571 2 3 2 8 55.94 16.29 1.6436 1 3 3 8 56.97 10.44 1.6164 1 5 2 8 57.70 7.33 1.5976 0 4 3 4 58.16 4.00 1.5861 3 1 0 4 60.31 4.95 1.5347 3 1 1 8 60.36 1.47 1.5335 3 2 0 4 60.39 2.06 1.5329 2 1 3 8 60.65 3.98 1.5269 2 4 2 8 60.80 3.08 1.5234 2 5 1 8 61.00 22.48 1.5190 0 0 4 2 61.62 28.39 1.5052 0 6 2 4 63.92 4.45 1.4563 3 3 0 4 65.80 11.08 1.4193 1 7 0 4 65.96 6.73 1.4162 3 3 1 8 66.50 8.32 1.4060 3 1 2 8 67.41 1.40 1.3892 1 5 3 8 68.48 2.04 1.3702 2 6 1 8 68.55 9.88 1.3690 3 2 2 8 68.74 3.12 1.3656 3 4 0 4 70.45 10.93 1.3366 1 3 4 8 70.71 2.93 1.3323 3 4 1 8 70.78 1.80 1.3311 2 4 3 8 71.68 4.51 1.3167 0 6 3 4 72.01 1.27 1.3115 0 4 4 4 73.75 3.65 1.2846 2 0 4 4 74.32 3.23 1.2763 2 6 2 8 74.41 1.03 1.2749 2 1 4 8 75.07 1.06 1.2654 1 4 4 8 75.60 1.27 1.2579 3 0 3 4 76.25 1.06 1.2488 3 1 3 8 76.69 1.80 1.2426 2 5 3 8 79.65 4.00 1.2037 4 0 0 2 80.87 1.62 1.1886 1 5 4 8 81.39 3.20 1.1824 3 3 3 8 82.25 6.01 1.1721 3 5 2 8 82.69 1.83 1.1671 2 7 2 8 83.33 1.37 1.1597 1 8 2 8 83.66 1.65 1.1560 3 6 1 8 83.73 1.29 1.1552 2 6 3 8 84.04 5.52 1.1517 2 4 4 8 84.77 2.56 1.1436 2 8 0 4 85.82 2.45 1.1322 3 4 3 8 86.62 1.33 1.1239 2 8 1 8 87.43 3.89 1.1155 1 3 5 8 87.72 1.62 1.1126 4 1 2 8 89.29 1.38 1.0971 3 1 4 8 89.61 4.08 1.0940 4 2 2 8 89.79 2.13 1.0922 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.