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 = 800 C _database_code_amcsd 0008467 CELL PARAMETERS: 4.8321 10.4453 6.1078 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 308.277 Density (g/cm3): 3.710 MAX. ABS. INTENSITY / VOLUME**2: 12.07084988 RIR: 1.059 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.98 10.13 5.2227 0 2 0 2 20.25 1.42 4.3856 1 1 0 4 22.40 26.57 3.9694 0 2 1 4 23.48 12.33 3.7896 1 0 1 4 25.00 47.47 3.5624 1 1 1 8 25.11 10.85 3.5469 1 2 0 4 29.11 4.62 3.0672 1 2 1 8 29.24 11.64 3.0539 0 0 2 2 31.67 87.12 2.8248 1 3 0 4 34.01 17.83 2.6363 0 2 2 4 34.34 3.90 2.6113 0 4 0 2 35.00 74.61 2.5639 1 3 1 8 35.83 100.00 2.5061 1 1 2 8 37.21 7.54 2.4160 2 0 0 2 37.46 13.23 2.4011 0 4 1 4 38.24 7.89 2.3539 2 1 0 4 38.92 20.10 2.3143 1 2 2 8 39.21 15.87 2.2973 1 4 0 4 41.10 11.84 2.1964 2 1 1 8 43.65 4.33 2.0737 1 3 2 8 43.87 1.46 2.0638 2 2 1 8 45.71 1.55 1.9850 2 3 0 4 45.71 1.98 1.9847 0 4 2 4 47.41 3.47 1.9175 1 5 0 4 49.35 7.66 1.8466 1 1 3 8 49.84 6.18 1.8295 1 5 1 8 51.29 67.88 1.7812 2 2 2 8 51.53 20.31 1.7734 2 4 0 4 51.77 2.81 1.7657 1 2 3 8 53.83 11.40 1.7031 2 4 1 8 54.83 13.90 1.6742 0 6 1 4 55.19 1.40 1.6643 2 3 2 8 55.65 16.06 1.6517 1 3 3 8 56.68 10.18 1.6239 1 5 2 8 57.39 7.29 1.6056 0 4 3 4 57.93 4.00 1.5919 3 1 0 4 60.06 5.13 1.5404 3 1 1 8 60.08 2.03 1.5399 2 1 3 8 60.11 1.51 1.5392 3 2 0 4 60.36 3.63 1.5336 2 4 2 8 60.52 3.23 1.5299 2 5 1 8 60.65 21.60 1.5270 0 0 4 2 61.29 26.04 1.5124 0 6 2 4 63.65 4.09 1.4619 3 3 0 4 65.46 10.14 1.4258 1 7 0 4 65.67 5.94 1.4217 3 3 1 8 66.20 7.20 1.4116 3 1 2 8 67.05 1.35 1.3959 1 5 3 8 68.14 2.03 1.3761 2 6 1 8 68.23 9.50 1.3745 3 2 2 8 68.44 2.64 1.3709 3 4 0 4 70.05 10.26 1.3433 1 3 4 8 70.39 3.02 1.3376 3 4 1 8 70.41 1.68 1.3372 2 4 3 8 71.27 4.38 1.3231 0 6 3 4 71.59 1.01 1.3181 0 4 4 4 73.35 3.27 1.2908 2 0 4 4 73.94 2.68 1.2820 2 6 2 8 74.00 1.07 1.2810 2 1 4 8 75.22 1.15 1.2632 3 0 3 4 75.87 1.01 1.2541 3 1 3 8 76.28 1.77 1.2483 2 5 3 8 79.31 3.30 1.2080 4 0 0 2 80.39 1.36 1.1945 1 5 4 8 80.97 2.65 1.1875 3 3 3 8 81.83 5.47 1.1770 3 5 2 8 82.24 1.76 1.1723 2 7 2 8 82.85 1.33 1.1651 1 8 2 8 83.24 1.45 1.1607 3 6 1 8 83.26 1.25 1.1605 2 6 3 8 83.55 4.75 1.1571 2 4 4 8 84.31 1.99 1.1487 2 8 0 4 85.37 2.36 1.1371 3 4 3 8 86.14 1.19 1.1289 2 8 1 8 86.88 3.38 1.1212 1 3 5 8 87.30 1.57 1.1169 4 1 2 8 88.79 1.26 1.1020 3 1 4 8 89.17 3.54 1.0982 4 2 2 8 89.36 1.81 1.0964 4 4 0 4 89.54 3.20 1.0946 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.