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 = 1.54 GPa, synthetic En60 orthopyroxene _database_code_amcsd 0008010 CELL PARAMETERS: 18.2351 8.8492 5.1839 90.000 90.000 90.000 SPACE GROUP: Pbca X-RAY WAVELENGTH: 1.541838 Cell Volume: 836.505 Density (g/cm3): 3.599 MAX. ABS. INTENSITY / VOLUME**2: 7.038677737 RIR: 0.637 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.95 21.55 6.3501 2 1 0 4 19.47 15.27 4.5588 4 0 0 2 20.07 4.36 4.4246 0 2 0 2 22.14 6.92 4.0157 2 1 1 8 26.48 4.13 3.3654 0 2 1 4 26.94 15.41 3.3095 1 2 1 8 27.95 15.40 3.1928 4 1 1 8 28.10 57.17 3.1750 4 2 0 4 28.27 74.29 3.1572 2 2 1 8 30.36 62.16 2.9443 3 2 1 8 31.11 100.00 2.8744 6 1 0 4 31.65 24.66 2.8266 5 1 1 8 31.89 1.60 2.8065 2 3 0 4 33.09 49.33 2.7076 4 2 1 8 34.97 7.17 2.5662 1 0 2 4 35.35 65.68 2.5388 1 3 1 8 35.72 7.20 2.5138 6 1 1 8 36.02 51.57 2.4932 2 0 2 4 36.27 1.20 2.4765 4 3 0 4 36.32 32.53 2.4733 5 2 1 8 36.40 31.45 2.4680 2 3 1 8 36.46 1.48 2.4646 1 1 2 8 37.73 19.14 2.3842 3 0 2 4 39.13 3.89 2.3021 3 1 2 8 40.05 6.30 2.2511 7 1 1 8 40.36 3.63 2.2346 4 3 1 8 41.35 2.20 2.1835 4 1 2 8 42.72 2.26 2.1167 6 3 0 4 42.80 39.59 2.1127 5 0 2 4 43.10 5.94 2.0989 3 2 2 8 43.13 30.45 2.0974 5 3 1 8 43.95 10.25 2.0600 7 2 1 8 44.07 15.25 2.0550 5 1 2 8 44.62 3.71 2.0309 8 1 1 8 44.72 2.37 2.0263 8 2 0 4 44.82 6.69 2.0222 1 4 1 8 45.16 1.01 2.0079 4 2 2 8 45.58 4.98 1.9903 4 4 0 4 45.68 10.56 1.9859 2 4 1 8 46.33 40.88 1.9596 6 3 1 8 47.10 1.88 1.9295 3 4 1 8 48.22 10.37 1.8873 8 2 1 8 49.03 2.35 1.8581 4 4 1 8 49.13 1.24 1.8543 3 3 2 8 49.62 12.47 1.8374 7 0 2 4 50.68 5.26 1.8013 6 2 2 8 51.00 1.20 1.7906 4 3 2 8 51.14 3.76 1.7860 10 1 0 4 51.42 6.37 1.7769 5 4 1 8 52.68 16.42 1.7374 2 5 0 4 53.34 1.05 1.7176 5 3 2 8 53.82 4.88 1.7035 8 3 1 8 54.04 7.23 1.6969 7 2 2 8 54.61 6.34 1.6805 8 1 2 8 54.79 1.61 1.6756 1 4 2 8 55.08 2.44 1.6673 2 1 3 8 55.53 4.27 1.6548 2 4 2 8 55.81 3.35 1.6473 2 5 1 8 56.32 3.74 1.6335 3 1 3 8 56.77 1.62 1.6217 3 4 2 8 57.23 17.30 1.6096 0 2 3 4 57.48 13.50 1.6033 1 2 3 8 57.76 9.02 1.5963 9 0 2 4 58.02 16.30 1.5896 9 3 1 8 58.11 2.21 1.5875 8 4 0 4 58.73 1.12 1.5722 4 5 1 8 58.78 3.54 1.5709 9 1 2 8 60.54 9.93 1.5294 6 5 0 4 60.86 2.78 1.5221 5 5 1 8 60.97 9.32 1.5196 12 0 0 2 61.78 3.14 1.5016 9 2 2 8 62.45 1.43 1.4871 11 2 1 8 62.50 31.15 1.4860 1 3 3 8 62.50 28.49 1.4860 10 3 1 8 62.74 1.68 1.4810 6 1 3 8 63.03 24.51 1.4749 0 6 0 2 63.14 1.78 1.4725 5 2 3 8 63.16 1.43 1.4721 6 4 2 8 63.19 7.15 1.4714 2 3 3 8 63.89 1.31 1.4569 1 5 2 8 64.33 1.22 1.4480 3 3 3 8 65.71 11.78 1.4211 3 5 2 8 66.11 1.26 1.4135 7 4 2 8 66.12 1.14 1.4133 10 2 2 8 66.35 1.35 1.4088 7 5 1 8 67.01 15.66 1.3965 11 0 2 4 67.26 23.75 1.3921 11 3 1 8 67.65 1.84 1.3850 12 2 1 8 67.92 4.25 1.3801 5 3 3 8 67.95 5.62 1.3795 11 1 2 8 68.53 4.30 1.3693 7 2 3 8 68.96 4.60 1.3618 0 4 3 4 69.18 2.05 1.3580 1 4 3 8 69.25 2.78 1.3567 5 5 2 8 70.33 8.96 1.3386 6 3 3 8 71.79 1.03 1.3148 8 2 3 8 72.28 11.28 1.3072 12 3 1 8 72.95 8.12 1.2968 12 1 2 8 73.00 1.27 1.2960 0 0 4 2 73.09 1.68 1.2947 13 2 1 8 73.13 3.13 1.2940 7 3 3 8 73.22 4.98 1.2927 1 0 4 4 73.49 3.05 1.2886 14 1 0 4 74.13 2.91 1.2791 1 1 4 8 74.79 10.64 1.2694 2 6 2 8 75.85 6.84 1.2543 3 6 2 8 76.40 6.58 1.2466 4 0 4 4 77.01 1.76 1.2383 8 6 0 4 77.59 4.03 1.2304 8 5 2 8 77.99 1.60 1.2252 2 5 3 8 79.03 2.27 1.2116 3 5 3 8 79.18 1.94 1.2097 5 1 4 8 79.21 4.93 1.2093 5 6 2 8 81.14 7.06 1.1854 9 5 2 8 81.46 1.29 1.1814 6 1 4 8 81.82 1.98 1.1772 5 2 4 8 84.15 1.31 1.1505 7 1 4 8 84.18 3.06 1.1502 7 6 2 8 85.13 2.54 1.1397 16 0 0 2 86.36 2.88 1.1266 8 0 4 4 88.48 1.26 1.1050 12 2 3 8 88.61 1.05 1.1037 16 2 0 4 89.37 2.28 1.0963 11 5 2 8 89.84 1.45 1.0918 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.