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 = 296 K _database_code_amcsd 0001693 CELL PARAMETERS: 18.2747 8.8729 5.1988 90.000 90.000 90.000 SPACE GROUP: Pbca X-RAY WAVELENGTH: 1.541838 Cell Volume: 842.983 Density (g/cm3): 3.411 MAX. ABS. INTENSITY / VOLUME**2: 5.865240973 RIR: 0.560 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.91 2.84 6.3655 2 1 0 4 19.43 5.48 4.5687 4 0 0 2 20.01 3.04 4.4365 0 2 0 2 22.08 17.38 4.0265 2 1 1 8 26.87 26.37 3.3186 1 2 1 8 27.87 18.56 3.2008 4 1 1 8 28.03 80.70 3.1828 4 2 0 4 28.19 100.00 3.1657 2 2 1 8 30.28 57.44 2.9520 3 2 1 8 31.04 94.35 2.8808 6 1 0 4 31.58 35.93 2.8334 5 1 1 8 31.80 1.15 2.8139 2 3 0 4 33.00 38.32 2.7145 4 2 1 8 34.86 3.58 2.5735 1 0 2 4 35.26 64.67 2.5457 1 3 1 8 35.63 11.82 2.5198 6 1 1 8 35.92 62.31 2.5002 2 0 2 4 36.18 1.21 2.4828 4 3 0 4 36.23 32.58 2.4794 5 2 1 8 36.30 23.25 2.4747 2 3 1 8 37.62 17.47 2.3908 3 0 2 4 37.99 1.29 2.3685 3 3 1 8 39.02 1.49 2.3085 3 1 2 8 39.96 8.75 2.2563 7 1 1 8 40.25 4.67 2.2404 4 3 1 8 40.52 1.33 2.2261 1 2 2 8 41.23 2.53 2.1894 4 1 2 8 42.61 3.08 2.1218 6 3 0 4 42.68 39.45 2.1183 5 0 2 4 42.97 8.23 2.1047 3 2 2 8 43.02 30.20 2.1027 5 3 1 8 43.84 8.65 2.0649 7 2 1 8 43.94 13.28 2.0604 5 1 2 8 44.51 4.62 2.0356 8 1 1 8 44.62 4.34 2.0309 8 2 0 4 44.69 11.04 2.0277 1 4 1 8 45.45 9.36 1.9955 4 4 0 4 45.56 13.84 1.9912 2 4 1 8 46.21 37.16 1.9645 6 3 1 8 46.97 1.35 1.9346 3 4 1 8 48.10 7.74 1.8917 8 2 1 8 48.89 1.42 1.8629 4 4 1 8 48.99 1.29 1.8593 3 3 2 8 49.48 11.02 1.8420 7 0 2 4 50.54 5.76 1.8060 6 2 2 8 50.86 1.38 1.7954 4 3 2 8 51.02 7.26 1.7899 10 1 0 4 51.28 6.79 1.7815 5 4 1 8 52.53 14.26 1.7420 2 5 0 4 53.19 1.42 1.7222 5 3 2 8 53.68 7.57 1.7076 8 3 1 8 53.89 9.87 1.7012 7 2 2 8 54.46 7.47 1.6847 8 1 2 8 54.62 3.29 1.6802 1 4 2 8 54.91 4.20 1.6721 2 1 3 8 55.37 5.24 1.6593 2 4 2 8 55.64 4.54 1.6518 2 5 1 8 56.15 5.30 1.6381 3 1 3 8 56.60 1.12 1.6261 3 4 2 8 56.87 1.29 1.6190 3 5 1 8 57.06 21.01 1.6142 0 2 3 4 57.30 12.06 1.6079 1 2 3 8 57.60 10.03 1.6002 9 0 2 4 57.87 16.45 1.5934 9 3 1 8 57.95 1.25 1.5914 8 4 0 4 58.56 1.40 1.5763 4 5 1 8 58.62 2.57 1.5748 9 1 2 8 59.99 1.31 1.5420 5 1 3 8 60.37 8.65 1.5333 6 5 0 4 60.69 3.34 1.5260 5 5 1 8 60.82 9.74 1.5229 12 0 0 2 61.61 4.38 1.5053 9 2 2 8 62.31 30.81 1.4902 1 3 3 8 62.34 28.87 1.4895 10 3 1 8 62.55 1.17 1.4850 6 1 3 8 62.84 27.22 1.4788 0 6 0 2 62.95 1.27 1.4766 5 2 3 8 62.97 1.59 1.4760 6 4 2 8 62.99 7.87 1.4756 2 3 3 8 63.23 1.21 1.4707 6 5 1 8 65.51 11.34 1.4249 3 5 2 8 65.91 2.46 1.4171 7 4 2 8 65.93 1.01 1.4167 10 2 2 8 66.16 1.82 1.4124 7 5 1 8 66.83 15.21 1.3999 11 0 2 4 67.08 27.04 1.3953 11 3 1 8 67.47 1.39 1.3881 12 2 1 8 67.71 3.59 1.3839 5 3 3 8 67.77 6.20 1.3828 11 1 2 8 68.32 3.57 1.3729 7 2 3 8 68.74 5.83 1.3656 0 4 3 4 68.96 1.90 1.3618 1 4 3 8 69.04 1.94 1.3603 5 5 2 8 70.11 9.91 1.3422 6 3 3 8 70.70 1.64 1.3325 3 4 3 8 72.08 13.61 1.3102 12 3 1 8 72.20 1.79 1.3084 4 4 3 8 72.49 1.17 1.3038 9 1 3 8 72.75 10.39 1.2998 12 1 2 8 72.76 1.16 1.2997 0 0 4 2 72.89 1.18 1.2977 13 2 1 8 72.91 2.85 1.2975 7 3 3 8 72.98 5.57 1.2964 1 0 4 4 73.30 3.13 1.2914 14 1 0 4 73.88 3.81 1.2828 1 1 4 8 74.54 1.38 1.2731 10 5 0 4 74.55 12.88 1.2728 2 6 2 8 74.67 1.27 1.2711 3 0 4 4 75.61 7.37 1.2577 3 6 2 8 75.92 1.67 1.2533 14 1 1 8 76.15 6.36 1.2501 4 0 4 4 76.52 1.70 1.2450 10 1 3 8 76.78 1.28 1.2414 8 6 0 4 77.36 4.79 1.2336 8 5 2 8 77.73 2.26 1.2286 2 5 3 8 78.77 2.69 1.2149 3 5 3 8 78.91 2.00 1.2131 5 1 4 8 78.95 4.77 1.2126 5 6 2 8 80.89 6.98 1.1884 9 5 2 8 81.19 1.09 1.1847 6 1 4 8 81.55 2.37 1.1804 5 2 4 8 82.69 1.44 1.1670 5 7 1 8 83.55 1.37 1.1572 10 3 3 8 83.87 1.44 1.1536 7 1 4 8 83.91 2.58 1.1532 7 6 2 8 84.90 2.34 1.1422 16 0 0 2 86.07 2.76 1.1297 8 0 4 4 88.21 1.38 1.1077 12 2 3 8 88.37 1.47 1.1061 16 2 0 4 89.08 2.44 1.0991 11 5 2 8 89.53 1.99 1.0947 8 2 4 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.