Pyroxene-ideal Thompson R M, Downs R T American Mineralogist 89 (2004) 614-628 Model pyroxenes II: Structural variation as a function of tetrahedral rotation model sodium vanadium px with O3-O3-O3 angle = 173.0 and model oxygen radius = 1.300 _database_code_amcsd 0003500 CELL PARAMETERS: 9.7120 8.9920 5.1920 90.000 109.700 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 426.881 Density (g/cm3): 3.518 MAX. ABS. INTENSITY / VOLUME**2: 12.38000372 RIR: 1.146 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.81 32.26 6.4112 1 1 0 4 19.42 4.80 4.5718 2 0 0 2 19.75 33.96 4.4960 0 2 0 2 20.07 4.32 4.4239 -1 1 1 4 25.39 15.29 3.5079 1 1 1 4 26.94 14.49 3.3091 0 2 1 4 27.83 5.87 3.2056 2 2 0 4 29.49 100.00 3.0289 -2 2 1 4 30.53 13.25 2.9283 -3 1 1 4 30.98 72.82 2.8865 3 1 0 4 31.41 4.12 2.8482 1 3 0 4 34.75 35.76 2.5817 -1 3 1 4 36.10 6.82 2.4878 -1 1 2 4 36.77 48.87 2.4441 0 0 2 2 36.99 22.79 2.4301 2 2 1 4 38.21 7.37 2.3557 1 3 1 4 40.01 1.64 2.2535 -3 1 2 4 41.08 4.41 2.1973 3 1 1 4 41.95 29.05 2.1539 -3 3 1 4 42.29 2.15 2.1371 3 3 0 4 42.59 15.21 2.1228 1 1 2 4 42.63 8.55 2.1207 -4 2 1 4 44.19 14.28 2.0493 -4 0 2 2 44.35 2.95 2.0424 0 4 1 4 46.05 23.36 1.9710 -2 4 1 4 47.75 6.67 1.9049 2 0 2 2 47.95 1.90 1.8972 -5 1 1 4 48.84 2.88 1.8647 -4 2 2 4 49.58 1.69 1.8385 -3 3 2 4 50.49 2.63 1.8076 3 3 1 4 51.51 8.77 1.7740 2 4 1 4 51.78 1.39 1.7654 1 3 2 4 51.81 6.19 1.7646 1 5 0 4 52.15 2.65 1.7540 2 2 2 4 53.68 7.50 1.7074 4 2 1 4 54.50 1.56 1.6836 -2 4 2 4 55.54 2.58 1.6546 0 4 2 4 55.99 3.20 1.6423 -4 4 1 4 56.48 20.30 1.6292 -5 3 1 4 56.58 10.01 1.6266 3 1 2 4 57.03 17.30 1.6148 -2 2 3 4 57.50 2.45 1.6028 4 4 0 4 59.43 1.18 1.5552 -3 5 1 4 59.70 2.44 1.5489 3 5 0 4 59.71 7.19 1.5486 -6 0 2 2 60.78 8.68 1.5239 6 0 0 2 61.92 11.74 1.4987 0 6 0 2 61.99 1.18 1.4970 1 1 3 4 62.64 8.10 1.4830 -1 3 3 4 62.93 1.00 1.4770 -1 5 2 4 63.04 4.42 1.4746 -3 3 3 4 63.19 1.70 1.4715 -5 1 3 4 65.43 3.49 1.4265 4 4 1 4 65.60 5.09 1.4231 -3 5 2 4 66.36 1.03 1.4087 3 5 1 4 68.11 19.47 1.3767 5 3 1 4 68.42 9.07 1.3712 -2 4 3 4 69.39 3.76 1.3543 1 3 3 4 70.08 9.53 1.3427 -7 1 2 4 70.52 4.63 1.3354 -5 3 3 4 73.22 2.41 1.2927 7 1 0 4 73.34 1.32 1.2908 -2 6 2 4 73.95 2.94 1.2818 -3 1 4 4 74.23 14.16 1.2776 0 6 2 4 74.61 1.27 1.2721 1 7 0 4 74.73 5.19 1.2703 -4 0 4 2 75.43 1.02 1.2602 5 1 2 4 75.71 1.34 1.2563 -1 1 4 4 75.92 1.15 1.2533 4 6 0 4 78.23 1.96 1.2220 0 0 4 2 78.58 4.30 1.2174 3 5 2 4 79.18 1.81 1.2097 -4 6 2 4 81.27 1.14 1.1837 3 7 0 4 81.77 2.71 1.1778 2 6 2 4 82.82 2.14 1.1655 -8 2 1 4 82.96 2.32 1.1639 -6 0 4 2 85.75 1.51 1.1330 6 0 2 2 86.54 2.03 1.1247 -3 7 2 4 87.09 1.32 1.1191 4 2 3 4 89.20 2.40 1.0979 -8 2 3 4 89.79 2.01 1.0923 2 0 4 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.