Enstatite Yang H, Ghose S American Mineralogist 80 (1995) 9-20 A transitional structural state and anomalous Fe-Mg order-disorder in Mg-rich orthopyroxene, (Mg0.75Fe0.25)2Si2O6 T = 1100 K _database_code_amcsd 0001695 CELL PARAMETERS: 18.4105 8.9691 5.2540 90.000 90.000 90.000 SPACE GROUP: Pbca X-RAY WAVELENGTH: 1.541838 Cell Volume: 867.570 Density (g/cm3): 3.314 MAX. ABS. INTENSITY / VOLUME**2: 6.486615108 RIR: 0.637 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.78 2.56 6.4240 2 1 0 4 19.28 3.05 4.6026 4 0 0 2 19.80 2.95 4.4845 0 2 0 2 21.85 10.24 4.0670 2 1 1 8 26.58 19.49 3.3539 1 2 1 8 27.62 19.41 3.2298 4 1 1 8 27.77 69.97 3.2120 4 2 0 4 27.89 100.00 3.1985 2 2 1 8 29.97 52.95 2.9814 3 2 1 8 30.80 77.72 2.9032 6 1 0 4 31.30 27.49 2.8581 5 1 1 8 31.46 2.09 2.8435 2 3 0 4 32.68 28.53 2.7405 4 2 1 8 34.49 1.23 2.6007 1 0 2 4 34.87 50.01 2.5730 1 3 1 8 35.32 7.82 2.5411 6 1 1 8 35.54 45.18 2.5261 2 0 2 4 35.89 26.36 2.5023 5 2 1 8 35.91 17.18 2.5007 2 3 1 8 37.23 18.23 2.4150 3 0 2 4 39.62 7.06 2.2749 7 1 1 8 39.84 4.83 2.2628 4 3 1 8 40.08 1.06 2.2497 1 2 2 8 40.81 2.67 2.2111 4 1 2 8 42.20 2.43 2.1413 6 3 0 4 42.26 29.60 2.1385 5 0 2 4 42.52 6.17 2.1263 3 2 2 8 42.58 22.67 2.1230 5 3 1 8 43.45 6.70 2.0828 7 2 1 8 43.50 9.06 2.0802 5 1 2 8 44.13 3.83 2.0521 8 1 1 8 44.19 8.08 2.0495 1 4 1 8 44.24 2.93 2.0475 8 2 0 4 44.97 6.04 2.0158 4 4 0 4 45.05 12.37 2.0124 2 4 1 8 45.76 20.60 1.9830 6 3 1 8 46.45 1.37 1.9549 3 4 1 8 47.67 4.94 1.9077 8 2 1 8 48.36 1.06 1.8820 4 4 1 8 48.45 1.50 1.8787 3 3 2 8 49.01 8.45 1.8587 7 0 2 4 50.03 4.34 1.8232 6 2 2 8 50.31 1.43 1.8137 4 3 2 8 50.61 5.92 1.8034 10 1 0 4 50.74 4.92 1.7993 5 4 1 8 51.93 11.32 1.7607 2 5 0 4 53.16 7.00 1.7228 8 3 1 8 53.36 6.90 1.7170 7 2 2 8 53.95 4.85 1.6997 8 1 2 8 54.00 2.39 1.6982 1 4 2 8 54.29 4.25 1.6897 2 1 3 8 54.74 4.89 1.6769 2 4 2 8 55.00 2.49 1.6695 2 5 1 8 55.52 1.80 1.6552 3 1 3 8 55.96 1.37 1.6432 3 4 2 8 56.22 1.00 1.6362 3 5 1 8 56.40 20.80 1.6313 0 2 3 4 56.64 5.36 1.6250 1 2 3 8 57.06 6.84 1.6140 9 0 2 4 57.32 12.64 1.6073 9 3 1 8 57.37 1.41 1.6060 8 4 0 4 57.90 1.33 1.5927 4 5 1 8 58.07 2.30 1.5885 9 1 2 8 59.71 4.69 1.5486 6 5 0 4 60.01 2.70 1.5416 5 5 1 8 60.33 6.45 1.5342 12 0 0 2 61.01 3.59 1.5186 9 2 2 8 61.58 12.28 1.5061 1 3 3 8 61.75 15.75 1.5022 10 3 1 8 62.09 16.86 1.4949 0 6 0 2 62.26 9.12 1.4912 2 3 3 8 64.73 7.15 1.4400 3 5 2 8 65.20 1.44 1.4310 7 4 2 8 65.44 1.55 1.4263 7 5 1 8 66.21 7.54 1.4115 11 0 2 4 66.44 17.88 1.4071 11 3 1 8 66.93 1.27 1.3980 5 3 3 8 67.13 5.09 1.3944 11 1 2 8 67.57 1.25 1.3863 7 2 3 8 67.91 4.75 1.3802 0 4 3 4 69.31 8.78 1.3557 6 3 3 8 71.34 1.67 1.3221 4 4 3 8 71.40 9.24 1.3211 12 3 1 8 72.06 7.03 1.3106 12 1 2 8 72.08 1.30 1.3103 7 3 3 8 72.09 2.46 1.3102 1 0 4 4 72.67 2.41 1.3011 14 1 0 4 72.98 2.87 1.2964 1 1 4 8 73.63 8.52 1.2865 2 6 2 8 73.74 1.15 1.2848 10 5 0 4 73.77 1.75 1.2844 3 0 4 4 74.68 5.57 1.2711 3 6 2 8 75.23 3.77 1.2631 4 0 4 4 75.70 1.60 1.2564 10 1 3 8 75.90 1.00 1.2536 8 6 0 4 76.47 3.11 1.2456 8 5 2 8 76.76 2.09 1.2417 2 5 3 8 77.99 2.48 1.2252 5 6 2 8 79.96 4.41 1.1998 9 5 2 8 80.54 1.14 1.1926 5 2 4 8 82.60 1.12 1.1681 10 3 3 8 82.88 1.18 1.1649 7 6 2 8 84.13 1.06 1.1507 16 0 0 2 85.03 1.42 1.1408 8 0 4 4 87.23 1.04 1.1176 12 2 3 8 88.05 1.68 1.1093 11 5 2 8 89.32 3.18 1.0967 9 6 2 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.