Forsterite Kudoh Y, Takeuchi Y Zeitschrift fur Kristallographie 171 (1985) 291-302 The crystal structure of forsterite Mg2SiO4 under high pressure up to 149 kb Sample: P = 79 kbar _database_code_amcsd 0010931 CELL PARAMETERS: 4.6880 9.9330 5.8610 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 272.923 Density (g/cm3): 3.424 MAX. ABS. INTENSITY / VOLUME**2: 7.853473912 RIR: 0.747 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.86 21.06 4.9665 0 2 0 2 20.95 2.46 4.2395 1 1 0 4 23.48 69.25 3.7891 0 2 1 4 24.31 24.23 3.6610 1 0 1 4 25.94 14.84 3.4351 1 1 1 8 26.14 15.38 3.4091 1 2 0 4 30.33 6.04 2.9469 1 2 1 8 30.50 18.20 2.9305 0 0 2 2 33.12 63.27 2.7045 1 3 0 4 36.59 82.58 2.4557 1 3 1 8 37.30 100.00 2.4106 1 1 2 8 39.41 12.13 2.2865 0 4 1 4 39.50 10.48 2.2813 2 1 0 4 40.60 43.57 2.2223 1 2 2 8 41.14 29.99 2.1944 1 4 0 4 42.52 20.99 2.1260 2 1 1 8 45.65 4.67 1.9875 1 3 2 8 47.53 3.91 1.9131 2 3 0 4 48.02 2.52 1.8945 0 4 2 4 49.82 1.99 1.8305 2 0 2 4 49.85 6.81 1.8291 1 5 0 4 51.50 3.62 1.7743 1 1 3 8 52.40 4.18 1.7461 1 5 1 8 53.34 69.10 1.7175 2 2 2 8 53.78 19.76 1.7046 2 4 0 4 54.10 4.77 1.6951 1 2 3 8 56.20 14.22 1.6367 2 4 1 8 57.53 3.98 1.6020 2 3 2 8 57.88 13.64 1.5932 0 6 1 4 58.26 20.63 1.5837 1 3 3 8 59.19 1.16 1.5610 1 6 0 4 59.58 3.06 1.5517 1 5 2 8 59.92 3.32 1.5437 3 1 0 4 60.28 9.95 1.5354 0 4 3 4 61.40 2.00 1.5099 3 0 1 4 62.19 3.48 1.4928 3 1 1 8 62.29 2.66 1.4906 3 2 0 4 62.60 4.23 1.4839 2 1 3 8 63.10 5.00 1.4734 2 4 2 8 63.39 5.71 1.4673 2 5 1 8 63.49 29.83 1.4653 0 0 4 2 64.50 1.14 1.4446 3 2 1 8 64.67 42.10 1.4414 0 6 2 4 64.91 2.12 1.4366 2 2 3 8 66.12 2.91 1.4132 3 3 0 4 66.54 1.16 1.4054 0 2 4 4 68.27 8.14 1.3738 3 3 1 8 68.73 8.19 1.3658 3 1 2 8 69.17 10.69 1.3581 1 7 0 4 70.93 21.73 1.3286 3 2 2 8 71.31 8.17 1.3226 3 4 0 4 71.62 1.00 1.3176 2 6 1 8 73.39 4.93 1.2901 3 4 1 8 73.51 9.37 1.2883 1 3 4 8 73.77 1.70 1.2844 2 4 3 8 75.23 4.93 1.2630 0 6 3 4 76.70 1.93 1.2425 2 0 4 4 77.41 1.78 1.2329 2 1 4 8 77.46 1.06 1.2322 1 7 2 8 77.79 1.48 1.2278 2 6 2 8 78.36 3.21 1.2203 3 0 3 4 78.42 1.52 1.2195 1 6 3 8 78.49 2.31 1.2186 1 4 4 8 79.51 1.62 1.2055 3 4 2 8 80.15 3.47 1.1975 2 5 3 8 82.26 5.32 1.1720 4 0 0 2 83.02 1.58 1.1633 2 3 4 8 84.64 4.17 1.1450 3 3 3 8 84.77 3.02 1.1436 1 5 4 8 85.02 2.85 1.1409 0 2 5 4 85.36 1.74 1.1372 1 0 5 4 85.78 4.64 1.1328 3 5 2 8 86.85 3.21 1.1215 2 7 2 8 87.42 3.99 1.1156 3 6 1 8 87.86 5.53 1.1111 2 4 4 8 87.91 2.54 1.1107 1 8 2 8 89.28 3.42 1.0972 2 8 0 4 89.48 4.77 1.0952 3 4 3 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.