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 = 3.00 GPa, natural orthopyroxene _database_code_amcsd 0008021 CELL PARAMETERS: 18.1150 8.7184 5.1472 90.000 90.000 90.000 SPACE GROUP: Pbca X-RAY WAVELENGTH: 1.541838 Cell Volume: 812.917 Density (g/cm3): 3.407 MAX. ABS. INTENSITY / VOLUME**2: 5.784219362 RIR: 0.553 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.10 5.26 6.2813 2 1 0 4 19.60 1.84 4.5287 4 0 0 2 20.37 3.97 4.3592 0 2 0 2 20.63 1.14 4.3054 1 1 1 8 22.12 1.05 4.0189 4 1 0 4 22.33 13.46 3.9812 2 1 1 8 27.26 33.18 3.2718 1 2 1 8 28.17 13.60 3.1677 4 1 1 8 28.42 70.10 3.1406 4 2 0 4 28.59 85.46 3.1226 2 2 1 8 30.69 52.14 2.9136 3 2 1 8 31.35 100.00 2.8529 6 1 0 4 31.90 37.31 2.8051 5 1 1 8 32.35 1.33 2.7672 2 3 0 4 33.42 37.14 2.6810 4 2 1 8 34.86 1.40 2.5736 0 0 2 2 35.22 3.05 2.5480 1 0 2 4 35.83 56.60 2.5063 1 3 1 8 35.99 11.07 2.4953 6 1 1 8 36.19 1.55 2.4820 6 2 0 4 36.29 68.12 2.4756 2 0 2 4 36.68 32.10 2.4503 5 2 1 8 36.75 2.09 2.4459 4 3 0 4 36.88 15.28 2.4373 2 3 1 8 37.78 1.16 2.3815 2 1 2 8 38.01 8.70 2.3675 3 0 2 4 38.57 6.50 2.3340 3 3 1 8 39.44 1.54 2.2848 3 1 2 8 40.31 2.43 2.2375 4 0 2 4 40.36 8.50 2.2348 7 1 1 8 40.85 5.76 2.2091 4 3 1 8 41.67 2.94 2.1673 4 1 2 8 43.11 36.68 2.0981 5 0 2 4 43.21 3.41 2.0938 6 3 0 4 43.50 6.47 2.0805 3 2 2 8 43.63 22.44 2.0746 5 3 1 8 44.35 6.87 2.0426 7 2 1 8 44.41 10.26 2.0399 5 1 2 8 44.95 5.37 2.0165 8 1 1 8 45.12 2.03 2.0094 8 2 0 4 45.47 13.09 1.9949 1 4 1 8 45.57 1.99 1.9906 4 2 2 8 46.22 8.92 1.9640 4 4 0 4 46.33 11.98 1.9595 2 4 1 8 46.84 35.60 1.9394 6 3 1 8 47.58 1.42 1.9110 6 1 2 8 47.75 1.33 1.9046 3 4 1 8 48.64 7.13 1.8719 8 2 1 8 49.67 1.24 1.8355 3 3 2 8 49.98 6.66 1.8248 7 0 2 4 51.13 6.94 1.7865 6 2 2 8 51.53 11.43 1.7736 10 1 0 4 51.55 1.06 1.7729 4 3 2 8 52.09 5.79 1.7557 5 4 1 8 53.52 13.03 1.7122 2 5 0 4 53.90 1.39 1.7011 5 3 2 8 54.37 8.81 1.6875 8 3 1 8 54.51 8.38 1.6833 7 2 2 8 55.03 10.07 1.6686 8 1 2 8 55.48 2.87 1.6563 1 4 2 8 55.52 2.16 1.6551 2 1 3 8 56.23 6.01 1.6359 2 4 2 8 56.65 3.44 1.6247 2 5 1 8 56.77 6.99 1.6216 3 1 3 8 57.47 1.08 1.6035 3 4 2 8 57.75 14.72 1.5965 0 2 3 4 57.99 16.24 1.5904 1 2 3 8 58.19 8.54 1.5855 9 0 2 4 58.25 1.97 1.5838 8 2 2 8 58.60 15.61 1.5753 9 3 1 8 58.80 2.34 1.5703 8 4 0 4 59.24 1.43 1.5599 9 1 2 8 59.59 1.28 1.5515 4 5 1 8 60.66 1.16 1.5267 5 1 3 8 61.40 11.07 1.5099 6 5 0 4 61.42 5.62 1.5096 12 0 0 2 61.59 1.06 1.5057 4 2 3 8 61.73 3.13 1.5027 5 5 1 8 62.32 3.65 1.4900 9 2 2 8 63.12 32.26 1.4730 10 3 1 8 63.14 41.10 1.4726 1 3 3 8 63.24 1.91 1.4703 6 1 3 8 63.70 1.93 1.4610 5 2 3 8 63.83 3.68 1.4582 2 3 3 8 63.90 2.40 1.4568 6 4 2 8 64.08 27.24 1.4531 0 6 0 2 66.61 11.81 1.4040 3 5 2 8 66.69 1.83 1.4026 10 2 2 8 66.87 2.41 1.3992 7 4 2 8 67.14 1.69 1.3943 1 6 1 8 67.20 2.04 1.3932 10 4 0 4 67.25 1.09 1.3922 7 5 1 8 67.53 16.84 1.3871 11 0 2 4 67.91 26.33 1.3803 11 3 1 8 68.22 2.31 1.3747 12 2 1 8 68.49 6.88 1.3699 11 1 2 8 68.60 3.35 1.3681 5 3 3 8 69.13 6.21 1.3588 7 2 3 8 69.76 4.36 1.3482 0 4 3 4 69.98 2.64 1.3444 1 4 3 8 70.18 1.71 1.3410 5 5 2 8 71.03 6.33 1.3271 6 3 3 8 71.73 2.56 1.3158 3 4 3 8 72.61 1.17 1.3021 12 0 2 4 72.97 12.75 1.2964 12 3 1 8 73.26 1.51 1.2921 4 4 3 8 73.31 1.91 1.2913 9 1 3 8 73.54 11.07 1.2878 12 1 2 8 73.71 2.86 1.2853 13 2 1 8 73.83 6.80 1.2836 1 0 4 4 73.86 3.52 1.2831 7 3 3 8 74.07 2.57 1.2799 14 1 0 4 74.76 3.72 1.2699 1 1 4 8 75.71 2.07 1.2563 10 5 0 4 75.93 14.62 1.2531 2 6 2 8 76.47 1.10 1.2456 3 1 4 8 76.73 1.90 1.2421 14 1 1 8 77.00 4.44 1.2384 3 6 2 8 77.04 4.97 1.2378 4 0 4 4 77.39 1.04 1.2332 10 1 3 8 78.16 1.16 1.2229 8 6 0 4 78.59 6.67 1.2172 8 5 2 8 79.00 1.13 1.2120 2 5 3 8 79.86 2.85 1.2010 5 1 4 8 79.88 1.29 1.2009 4 7 0 4 80.06 3.26 1.1986 3 5 3 8 80.38 4.65 1.1946 5 6 2 8 82.17 5.37 1.1731 9 5 2 8 82.58 2.58 1.1682 5 2 4 8 84.36 1.54 1.1482 5 7 1 8 84.65 2.36 1.1449 10 3 3 8 84.89 1.60 1.1423 7 1 4 8 85.41 1.62 1.1367 7 6 2 8 85.83 2.17 1.1322 16 0 0 2 86.98 1.28 1.1201 9 4 3 8 87.11 1.92 1.1188 8 0 4 4 89.30 1.16 1.0970 16 1 1 8 89.42 1.54 1.0958 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.