Enstatite Hugh-Jones D A, Chopelas A, Angel R J Physics and Chemistry of Minerals 24 (1997) 301-310 Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes Sample: P = 1.04 GPa, natural orthopyroxene _database_code_amcsd 0008019 CELL PARAMETERS: 18.1890 8.7765 5.1723 90.000 90.000 90.000 SPACE GROUP: Pbca X-RAY WAVELENGTH: 1.541838 Cell Volume: 825.684 Density (g/cm3): 3.354 MAX. ABS. INTENSITY / VOLUME**2: 5.536106116 RIR: 0.537 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.02 2.70 6.3154 2 1 0 4 19.52 2.10 4.5472 4 0 0 2 20.24 4.62 4.3882 0 2 0 2 22.22 15.42 4.0015 2 1 1 8 27.10 36.30 3.2910 1 2 1 8 28.04 17.74 3.1827 4 1 1 8 28.26 66.23 3.1577 4 2 0 4 28.42 97.70 3.1404 2 2 1 8 29.46 2.14 3.0315 6 0 0 2 30.51 53.86 2.9296 3 2 1 8 31.21 100.00 2.8654 6 1 0 4 31.75 36.40 2.8180 5 1 1 8 32.14 1.22 2.7850 2 3 0 4 33.24 35.78 2.6951 4 2 1 8 34.69 1.17 2.5861 0 0 2 2 35.05 1.89 2.5604 1 0 2 4 35.60 62.66 2.5218 1 3 1 8 35.83 9.99 2.5065 6 1 1 8 36.11 69.40 2.4875 2 0 2 4 36.48 33.19 2.4628 5 2 1 8 36.52 2.38 2.4603 4 3 0 4 36.65 14.90 2.4521 2 3 1 8 37.82 10.90 2.3788 3 0 2 4 38.34 4.78 2.3477 3 3 1 8 39.24 1.91 2.2959 3 1 2 8 40.11 2.22 2.2480 4 0 2 4 40.17 10.68 2.2447 7 1 1 8 40.61 5.80 2.2218 4 3 1 8 41.46 3.31 2.1777 4 1 2 8 42.91 38.87 2.1078 5 0 2 4 42.96 2.55 2.1051 6 3 0 4 43.26 7.71 2.0913 3 2 2 8 43.38 29.71 2.0861 5 3 1 8 44.13 7.72 2.0523 7 2 1 8 44.19 14.20 2.0495 5 1 2 8 44.75 6.18 2.0252 8 1 1 8 44.90 3.10 2.0188 8 2 0 4 45.16 12.68 2.0076 1 4 1 8 45.33 1.73 2.0008 4 2 2 8 45.92 9.21 1.9761 4 4 0 4 46.03 13.78 1.9718 2 4 1 8 46.58 34.97 1.9498 6 3 1 8 47.35 1.55 1.9198 6 1 2 8 47.44 1.18 1.9163 3 4 1 8 48.40 6.24 1.8806 8 2 1 8 49.37 1.52 1.8460 4 4 1 8 49.38 1.18 1.8456 3 3 2 8 49.74 6.87 1.8330 7 0 2 4 50.86 6.17 1.7953 6 2 2 8 51.25 1.39 1.7825 4 3 2 8 51.30 9.31 1.7811 10 1 0 4 51.77 7.23 1.7659 5 4 1 8 53.14 13.32 1.7235 2 5 0 4 53.59 1.42 1.7102 5 3 2 8 54.07 10.38 1.6960 8 3 1 8 54.23 10.55 1.6914 7 2 2 8 54.60 1.02 1.6809 6 4 1 8 54.77 10.27 1.6761 8 1 2 8 55.13 3.14 1.6661 1 4 2 8 55.23 3.31 1.6632 2 1 3 8 55.87 5.99 1.6455 2 4 2 8 56.26 4.83 1.6351 2 5 1 8 56.47 6.14 1.6295 3 1 3 8 57.11 1.13 1.6128 3 4 2 8 57.43 17.98 1.6047 0 2 3 4 57.49 1.06 1.6030 3 5 1 8 57.67 16.03 1.5985 1 2 3 8 57.91 11.55 1.5924 9 0 2 4 57.95 1.18 1.5913 8 2 2 8 58.29 15.04 1.5830 9 3 1 8 58.46 1.93 1.5788 8 4 0 4 58.95 1.69 1.5668 9 1 2 8 59.18 1.42 1.5612 4 5 1 8 60.34 1.24 1.5340 5 1 3 8 61.00 10.35 1.5190 6 5 0 4 61.14 6.67 1.5157 12 0 0 2 61.25 1.03 1.5132 4 2 3 8 61.32 3.05 1.5118 5 5 1 8 62.00 3.73 1.4969 9 2 2 8 62.76 40.37 1.4804 1 3 3 8 62.78 36.12 1.4801 10 3 1 8 62.91 1.90 1.4773 6 1 3 8 63.35 1.74 1.4682 5 2 3 8 63.46 4.94 1.4659 2 3 3 8 63.51 1.90 1.4648 6 4 2 8 63.61 30.17 1.4627 0 6 0 2 66.16 11.88 1.4124 3 5 2 8 66.34 1.81 1.4090 10 2 2 8 66.46 2.58 1.4067 7 4 2 8 66.64 1.64 1.4034 1 6 1 8 66.81 1.50 1.4003 10 4 0 4 66.81 1.84 1.4002 7 5 1 8 67.20 18.84 1.3931 11 0 2 4 67.54 26.61 1.3868 11 3 1 8 67.88 2.50 1.3807 12 2 1 8 68.15 7.18 1.3759 11 1 2 8 68.20 4.08 1.3751 5 3 3 8 68.76 5.43 1.3653 7 2 3 8 69.32 5.33 1.3556 0 4 3 4 69.54 2.74 1.3519 1 4 3 8 69.72 1.73 1.3488 5 5 2 8 70.62 7.39 1.3338 6 3 3 8 71.28 2.42 1.3230 3 4 3 8 72.58 15.78 1.3025 12 3 1 8 72.80 1.65 1.2991 4 4 3 8 72.92 1.66 1.2972 9 1 3 8 73.17 12.43 1.2934 12 1 2 8 73.34 1.81 1.2909 13 2 1 8 73.41 7.46 1.2898 1 0 4 4 73.43 3.05 1.2895 7 3 3 8 73.72 3.00 1.2852 14 1 0 4 74.33 4.16 1.2761 1 1 4 8 75.12 1.22 1.2646 3 0 4 4 75.23 2.47 1.2631 10 5 0 4 75.38 15.03 1.2609 2 6 2 8 76.03 1.11 1.2517 3 1 4 8 76.35 2.01 1.2473 14 1 1 8 76.44 5.84 1.2460 3 6 2 8 76.61 5.81 1.2438 4 0 4 4 76.97 1.53 1.2388 10 1 3 8 77.61 1.12 1.2302 8 6 0 4 77.91 1.12 1.2262 13 3 1 8 78.08 6.73 1.2240 8 5 2 8 78.46 1.75 1.2189 2 5 3 8 79.26 1.22 1.2087 4 7 0 4 79.41 2.95 1.2068 5 1 4 8 79.51 3.50 1.2054 3 5 3 8 79.81 5.36 1.2017 5 6 2 8 81.63 6.14 1.1794 9 5 2 8 81.70 1.13 1.1786 6 1 4 8 82.09 2.65 1.1740 5 2 4 8 83.71 1.93 1.1554 5 7 1 8 84.15 1.95 1.1505 10 3 3 8 84.40 1.89 1.1477 7 1 4 8 84.80 2.03 1.1433 7 6 2 8 85.40 2.82 1.1368 16 0 0 2 85.98 1.04 1.1306 6 7 1 8 86.43 1.41 1.1258 9 4 3 8 86.61 2.18 1.1240 8 0 4 4 88.94 1.29 1.1005 16 2 0 4 89.90 3.19 1.0912 11 5 2 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.