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 = 6.59 GPa, synthetic En60 orthopyroxene _database_code_amcsd 0008016 CELL PARAMETERS: 18.0665 8.7060 5.1236 90.000 90.000 90.000 SPACE GROUP: Pbca X-RAY WAVELENGTH: 1.541838 Cell Volume: 805.875 Density (g/cm3): 3.735 MAX. ABS. INTENSITY / VOLUME**2: 7.125492292 RIR: 0.621 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.13 17.74 6.2686 2 1 0 4 19.66 16.81 4.5166 4 0 0 2 20.40 5.24 4.3530 0 2 0 2 22.41 8.32 3.9671 2 1 1 8 26.88 4.24 3.3174 0 2 1 4 27.33 16.45 3.2628 1 2 1 8 28.26 13.33 3.1574 4 1 1 8 28.48 51.41 3.1343 4 2 0 4 28.67 70.47 3.1140 2 2 1 8 29.67 1.61 3.0111 6 0 0 2 30.77 64.78 2.9057 3 2 1 8 31.44 100.00 2.8457 6 1 0 4 32.01 27.87 2.7964 5 1 1 8 33.52 62.32 2.6737 4 2 1 8 35.03 1.74 2.5618 0 0 2 2 35.39 9.16 2.5364 1 0 2 4 35.91 69.13 2.5008 1 3 1 8 36.10 8.64 2.4877 6 1 1 8 36.46 58.68 2.4646 2 0 2 4 36.78 35.84 2.4437 5 2 1 8 36.81 2.14 2.4415 4 3 0 4 36.91 1.24 2.4352 1 1 2 8 36.96 34.60 2.4319 2 3 1 8 38.18 17.35 2.3574 3 0 2 4 39.61 5.22 2.2754 3 1 2 8 40.48 3.04 2.2283 4 0 2 4 40.48 7.24 2.2282 7 1 1 8 40.95 3.57 2.2040 4 3 1 8 41.85 2.49 2.1587 4 1 2 8 43.29 41.82 2.0898 5 0 2 4 43.30 3.65 2.0895 6 3 0 4 43.67 4.99 2.0729 3 2 2 8 43.74 31.13 2.0698 5 3 1 8 44.48 10.37 2.0370 7 2 1 8 44.59 17.29 2.0321 5 1 2 8 45.09 4.05 2.0106 8 1 1 8 45.23 2.64 2.0046 8 2 0 4 45.56 10.26 1.9910 1 4 1 8 45.74 1.32 1.9835 4 2 2 8 46.31 5.91 1.9607 4 4 0 4 46.43 9.89 1.9557 2 4 1 8 46.96 46.04 1.9348 6 3 1 8 47.77 1.68 1.9039 6 1 2 8 47.85 2.26 1.9008 3 4 1 8 48.78 13.23 1.8668 8 2 1 8 49.79 2.66 1.8312 4 4 1 8 50.18 12.78 1.8182 7 0 2 4 51.31 5.80 1.7805 6 2 2 8 51.67 3.50 1.7690 10 1 0 4 51.72 1.20 1.7674 4 3 2 8 52.21 6.86 1.7520 5 4 1 8 53.60 18.51 1.7097 2 5 0 4 54.08 1.42 1.6959 5 3 2 8 54.51 4.62 1.6833 8 3 1 8 54.71 7.09 1.6777 7 2 2 8 55.24 7.68 1.6629 8 1 2 8 55.64 1.29 1.6517 1 4 2 8 55.79 1.80 1.6478 2 1 3 8 56.40 5.62 1.6314 2 4 2 8 56.76 2.69 1.6218 2 5 1 8 57.04 5.14 1.6146 3 1 3 8 57.64 1.33 1.5991 3 4 2 8 58.01 14.57 1.5899 0 2 3 4 58.14 1.07 1.5866 10 2 1 8 58.26 18.78 1.5838 1 2 3 8 58.31 1.18 1.5825 7 4 1 8 58.41 11.69 1.5801 9 0 2 4 58.46 1.67 1.5787 8 2 2 8 58.76 16.26 1.5714 9 3 1 8 58.93 1.94 1.5671 8 4 0 4 59.45 3.47 1.5547 9 1 2 8 61.52 13.29 1.5073 6 5 0 4 61.60 11.43 1.5055 12 0 0 2 61.86 2.41 1.4999 5 5 1 8 62.54 2.35 1.4853 9 2 2 8 63.17 1.27 1.4719 11 2 1 8 63.29 36.90 1.4693 10 3 1 8 63.40 41.38 1.4670 1 3 3 8 63.53 1.53 1.4644 6 1 3 8 63.98 2.37 1.4552 5 2 3 8 64.10 1.44 1.4528 6 4 2 8 64.10 5.11 1.4527 2 3 3 8 64.19 27.55 1.4510 0 6 0 2 64.96 1.52 1.4355 1 5 2 8 65.26 1.51 1.4298 3 3 3 8 65.65 1.27 1.4221 2 5 2 8 66.79 14.93 1.4006 3 5 2 8 66.92 1.12 1.3982 10 2 2 8 67.08 1.28 1.3954 7 4 2 8 67.26 1.41 1.3919 1 6 1 8 67.36 1.24 1.3901 10 4 0 4 67.40 1.35 1.3893 7 5 1 8 67.78 18.60 1.3827 11 0 2 4 68.10 26.73 1.3768 11 3 1 8 68.43 2.25 1.3710 12 2 1 8 68.74 5.14 1.3655 11 1 2 8 68.88 5.90 1.3631 5 3 3 8 69.43 6.92 1.3537 7 2 3 8 70.03 4.26 1.3436 0 4 3 4 70.25 3.05 1.3399 1 4 3 8 70.38 3.97 1.3377 5 5 2 8 71.32 7.12 1.3224 6 3 3 8 72.01 1.91 1.3114 3 4 3 8 72.87 1.12 1.2980 12 0 2 4 73.19 13.03 1.2931 12 3 1 8 73.63 1.64 1.2865 9 1 3 8 73.81 10.73 1.2838 12 1 2 8 73.95 1.69 1.2818 13 2 1 8 74.16 3.97 1.2786 7 3 3 8 74.22 6.46 1.2777 1 0 4 4 74.30 3.93 1.2765 14 1 0 4 75.15 2.86 1.2642 1 1 4 8 75.62 1.40 1.2576 7 5 2 8 76.13 13.57 1.2504 2 6 2 8 76.87 1.03 1.2401 3 1 4 8 76.98 1.41 1.2387 14 1 1 8 77.20 6.61 1.2357 3 6 2 8 77.45 8.20 1.2323 4 0 4 4 78.32 1.75 1.2207 8 6 0 4 78.83 5.35 1.2142 8 5 2 8 80.02 1.06 1.1991 4 7 0 4 80.28 2.74 1.1958 5 1 4 8 80.35 2.42 1.1950 3 5 3 8 80.60 5.47 1.1919 5 6 2 8 82.42 8.45 1.1701 9 5 2 8 82.60 1.12 1.1680 6 1 4 8 83.01 2.13 1.1634 5 2 4 8 85.33 1.66 1.1375 7 1 4 8 85.65 3.35 1.1341 7 6 2 8 85.84 1.08 1.1321 15 2 1 8 86.12 3.31 1.1292 16 0 0 2 87.57 3.27 1.1142 8 0 4 4 89.69 1.31 1.0932 12 2 3 8 89.71 1.03 1.0930 16 2 0 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.