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 kosmochlor after Cameron et al. (1973) with O3-O3-O3 angle = 172.0 and model oxygen radius = 1.294 _database_code_amcsd 0003483 CELL PARAMETERS: 9.6530 8.9440 5.1640 90.000 109.600 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 420.008 Density (g/cm3): 3.592 MAX. ABS. INTENSITY / VOLUME**2: 13.27196326 RIR: 1.203 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.89 38.51 6.3766 1 1 0 4 19.52 6.60 4.5468 2 0 0 2 19.85 34.55 4.4720 0 2 0 2 20.19 5.69 4.3987 -1 1 1 4 25.51 15.97 3.4919 1 1 1 4 27.08 11.20 3.2923 0 2 1 4 27.99 4.61 3.1883 2 2 0 4 29.67 100.00 3.0111 -2 2 1 4 30.72 11.28 2.9100 -3 1 1 4 31.15 74.38 2.8708 3 1 0 4 31.58 3.87 2.8330 1 3 0 4 34.95 39.04 2.5676 -1 3 1 4 36.30 7.88 2.4748 -1 1 2 4 36.96 48.59 2.4324 0 0 2 2 37.18 24.54 2.4185 2 2 1 4 38.40 8.16 2.3439 1 3 1 4 40.27 2.31 2.2397 -3 1 2 4 41.28 3.69 2.1869 3 1 1 4 42.20 29.90 2.1413 -3 3 1 4 42.53 2.00 2.1255 3 3 0 4 42.79 16.20 2.1132 1 1 2 4 42.91 9.46 2.1078 -4 2 1 4 44.49 14.72 2.0363 -4 0 2 2 44.60 2.22 2.0317 0 4 1 4 46.32 23.28 1.9600 -2 4 1 4 47.97 7.07 1.8964 2 0 2 2 48.26 2.04 1.8856 -5 1 1 4 49.16 3.08 1.8532 -4 2 2 4 49.90 1.58 1.8277 -3 3 2 4 50.76 2.98 1.7987 3 3 1 4 51.79 9.46 1.7651 2 4 1 4 52.05 1.28 1.7570 1 3 2 4 52.11 6.53 1.7552 1 5 0 4 52.41 2.20 1.7459 2 2 2 4 53.97 7.73 1.6991 4 2 1 4 54.83 1.19 1.6743 -2 4 2 4 55.85 2.78 1.6461 0 4 2 4 56.35 3.58 1.6328 -4 4 1 4 56.85 20.22 1.6196 -5 3 1 4 56.86 10.10 1.6194 3 1 2 4 57.37 17.34 1.6061 -2 2 3 4 57.84 2.51 1.5942 4 4 0 4 60.06 2.71 1.5406 3 5 0 4 60.13 7.46 1.5387 -6 0 2 2 61.15 8.67 1.5156 6 0 0 2 62.28 11.74 1.4907 0 6 0 2 62.31 1.21 1.4901 1 1 3 4 63.00 8.59 1.4754 -1 3 3 4 63.30 1.03 1.4692 -1 5 2 4 63.44 4.41 1.4662 -3 3 3 4 63.63 1.80 1.4624 -5 1 3 4 65.80 3.60 1.4193 4 4 1 4 66.02 5.32 1.4151 -3 5 2 4 68.50 19.51 1.3699 5 3 1 4 68.84 9.15 1.3638 -2 4 3 4 69.77 3.92 1.3479 1 3 3 4 70.59 9.43 1.3342 -7 1 2 4 71.02 4.90 1.3273 -5 3 3 4 73.69 2.53 1.2856 7 1 0 4 74.43 3.34 1.2747 -3 1 4 4 74.68 14.11 1.2710 0 6 2 4 75.08 1.37 1.2653 1 7 0 4 75.24 4.97 1.2630 -4 0 4 2 76.16 1.28 1.2500 -1 1 4 4 76.40 1.27 1.2466 4 6 0 4 78.67 2.14 1.2162 0 0 4 2 79.04 4.46 1.2115 3 5 2 4 79.72 1.87 1.2028 -4 6 2 4 81.80 1.26 1.1774 3 7 0 4 82.27 2.72 1.1720 2 6 2 4 83.42 2.23 1.1587 -8 2 1 4 83.59 2.45 1.1567 -6 0 4 2 86.25 1.51 1.1277 6 0 2 2 87.14 2.14 1.1185 -3 7 2 4 87.58 1.34 1.1140 4 2 3 4 89.93 2.56 1.0909 -8 2 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.