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 = 7.50 GPa, synthetic En60 orthopyroxene _database_code_amcsd 0008017 CELL PARAMETERS: 18.0350 8.6820 5.1138 90.000 90.000 90.000 SPACE GROUP: Pbca X-RAY WAVELENGTH: 1.541838 Cell Volume: 800.718 Density (g/cm3): 3.760 MAX. ABS. INTENSITY / VOLUME**2: 6.722139135 RIR: 0.582 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.16 19.26 6.2543 2 1 0 4 19.69 15.47 4.5087 4 0 0 2 20.46 5.12 4.3410 0 2 0 2 20.75 1.03 4.2804 1 1 1 8 22.46 9.22 3.9589 2 1 1 8 26.94 5.29 3.3094 0 2 1 4 27.40 17.16 3.2551 1 2 1 8 28.32 13.67 3.1513 4 1 1 8 28.54 53.10 3.1272 4 2 0 4 28.73 74.55 3.1068 2 2 1 8 29.72 1.75 3.0058 6 0 0 2 30.84 67.04 2.8991 3 2 1 8 31.50 100.00 2.8404 6 1 0 4 32.07 29.39 2.7911 5 1 1 8 33.59 68.67 2.6679 4 2 1 8 35.10 2.29 2.5569 0 0 2 2 35.46 10.48 2.5316 1 0 2 4 36.00 71.02 2.4944 1 3 1 8 36.17 8.65 2.4831 6 1 1 8 36.53 63.79 2.4599 2 0 2 4 36.86 39.91 2.4385 5 2 1 8 36.91 2.09 2.4355 4 3 0 4 36.99 1.34 2.4304 1 1 2 8 37.06 35.59 2.4258 2 3 1 8 38.25 18.25 2.3529 3 0 2 4 39.69 5.47 2.2710 3 1 2 8 40.54 1.28 2.2250 6 2 1 8 40.56 3.63 2.2241 4 0 2 4 40.56 7.50 2.2241 7 1 1 8 41.05 3.60 2.1988 4 3 1 8 41.93 2.77 2.1546 4 1 2 8 43.38 43.46 2.0860 5 0 2 4 43.40 3.57 2.0848 6 3 0 4 43.76 5.21 2.0686 3 2 2 8 43.84 32.29 2.0650 5 3 1 8 44.57 9.48 2.0330 7 2 1 8 44.68 19.23 2.0282 5 1 2 8 45.18 3.95 2.0070 8 1 1 8 45.33 2.77 2.0007 8 2 0 4 45.69 10.69 1.9858 1 4 1 8 45.84 1.60 1.9795 4 2 2 8 46.43 6.66 1.9557 4 4 0 4 46.56 10.47 1.9507 2 4 1 8 47.07 51.20 1.9305 6 3 1 8 47.87 2.00 1.9004 6 1 2 8 47.98 2.04 1.8960 3 4 1 8 48.88 13.47 1.8632 8 2 1 8 49.93 2.88 1.8267 4 4 1 8 50.27 13.16 1.8149 7 0 2 4 51.42 5.77 1.7769 6 2 2 8 51.77 3.13 1.7658 10 1 0 4 51.84 1.22 1.7635 4 3 2 8 52.35 6.71 1.7478 5 4 1 8 53.76 18.26 1.7051 2 5 0 4 54.20 1.53 1.6922 5 3 2 8 54.64 4.01 1.6798 8 3 1 8 54.83 7.09 1.6744 7 2 2 8 55.35 7.15 1.6598 8 1 2 8 55.79 1.33 1.6478 1 4 2 8 55.91 1.75 1.6446 2 1 3 8 56.55 5.83 1.6275 2 4 2 8 56.93 2.78 1.6175 2 5 1 8 57.16 5.58 1.6115 3 1 3 8 57.79 1.35 1.5954 3 4 2 8 58.14 14.18 1.5867 0 2 3 4 58.26 1.17 1.5836 10 2 1 8 58.39 19.67 1.5806 1 2 3 8 58.45 1.22 1.5789 7 4 1 8 58.52 11.33 1.5772 9 0 2 4 58.59 1.69 1.5757 8 2 2 8 58.89 15.73 1.5681 9 3 1 8 59.08 2.10 1.5636 8 4 0 4 59.57 3.17 1.5518 9 1 2 8 59.88 1.02 1.5447 4 5 1 8 61.69 14.11 1.5036 6 5 0 4 61.72 12.03 1.5029 12 0 0 2 62.03 1.92 1.4961 5 5 1 8 62.67 2.27 1.4824 9 2 2 8 63.30 1.54 1.4691 11 2 1 8 63.44 37.66 1.4663 10 3 1 8 63.55 42.71 1.4639 1 3 3 8 63.67 1.40 1.4616 6 1 3 8 64.12 2.46 1.4524 5 2 3 8 64.25 4.81 1.4497 2 3 3 8 64.26 1.76 1.4496 6 4 2 8 64.39 27.82 1.4470 0 6 0 2 65.15 1.79 1.4319 1 5 2 8 65.41 1.45 1.4268 3 3 3 8 65.84 1.59 1.4186 2 5 2 8 66.98 15.10 1.3971 3 5 2 8 67.07 1.08 1.3955 10 2 2 8 67.24 1.27 1.3923 7 4 2 8 67.47 1.82 1.3882 1 6 1 8 67.53 1.33 1.3871 10 4 0 4 67.59 1.07 1.3860 7 5 1 8 67.91 18.91 1.3802 11 0 2 4 68.26 26.33 1.3741 11 3 1 8 68.58 2.24 1.3684 12 2 1 8 68.89 4.86 1.3631 11 1 2 8 69.04 6.02 1.3603 5 3 3 8 69.59 7.47 1.3510 7 2 3 8 70.21 3.99 1.3406 0 4 3 4 70.43 3.11 1.3369 1 4 3 8 70.57 4.36 1.3345 5 5 2 8 71.49 6.20 1.3196 6 3 3 8 72.20 2.12 1.3085 3 4 3 8 73.02 1.36 1.2957 12 0 2 4 73.36 12.89 1.2906 12 3 1 8 73.79 1.66 1.2841 9 1 3 8 73.97 10.58 1.2815 12 1 2 8 74.10 1.72 1.2794 13 2 1 8 74.34 4.21 1.2760 7 3 3 8 74.39 6.51 1.2752 1 0 4 4 74.46 4.18 1.2743 14 1 0 4 75.33 2.57 1.2617 1 1 4 8 75.82 1.32 1.2546 7 5 2 8 76.36 13.13 1.2472 2 6 2 8 77.05 1.10 1.2377 3 1 4 8 77.14 1.48 1.2365 14 1 1 8 77.43 6.22 1.2326 3 6 2 8 77.63 8.19 1.2300 4 0 4 4 78.55 1.74 1.2177 8 6 0 4 79.04 4.97 1.2114 8 5 2 8 80.28 1.19 1.1959 4 7 0 4 80.47 2.89 1.1936 5 1 4 8 80.57 2.40 1.1923 3 5 3 8 80.84 5.48 1.1889 5 6 2 8 82.65 8.05 1.1675 9 5 2 8 82.79 1.21 1.1658 6 1 4 8 83.20 1.97 1.1611 5 2 4 8 84.81 1.04 1.1432 5 7 1 8 85.53 1.47 1.1354 7 1 4 8 85.90 3.27 1.1314 7 6 2 8 86.03 1.08 1.1301 15 2 1 8 86.30 3.42 1.1272 16 0 0 2 87.77 3.15 1.1121 8 0 4 4 89.91 1.17 1.0911 12 2 3 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.