Aegirine McCarthy A C, Downs R T, Thompson R M, Redhammer G J American Mineralogist 93 (2008) 1829-1837 In situ high-pressure single-crystal X-ray study of aegirine, NaFe3+Si2O6, and the role of M1 size in clinopyroxene compressibility Locality: synthetic Note: Pressure = 1.78 GPa _database_code_amcsd 0004760 CELL PARAMETERS: 9.6067 8.7501 5.2698 90.000 107.258 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 423.034 Density (g/cm3): 3.627 MAX. ABS. INTENSITY / VOLUME**2: 18.04969720 RIR: 1.621 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.99 40.54 6.3319 1 1 0 4 19.35 3.48 4.5871 2 0 0 2 20.17 22.31 4.4033 -1 1 1 4 20.30 17.27 4.3751 0 2 0 2 24.75 8.90 3.5973 1 1 1 4 28.19 4.35 3.1659 2 2 0 4 30.11 100.00 2.9676 -2 2 1 4 30.98 46.49 2.8868 3 1 0 4 31.10 4.92 2.8757 -3 1 1 4 32.20 1.72 2.7796 1 3 0 4 35.46 25.36 2.5313 -1 3 1 4 35.59 1.81 2.5224 -1 1 2 4 35.68 38.86 2.5163 0 0 2 2 36.49 39.64 2.4622 2 2 1 4 40.13 2.71 2.2472 3 1 1 4 40.42 1.25 2.2315 -3 1 2 4 41.23 17.70 2.1896 1 1 2 4 41.27 1.05 2.1875 0 4 0 2 41.39 2.35 2.1812 0 2 2 4 42.85 1.64 2.1106 3 3 0 4 42.94 18.44 2.1063 -3 3 1 4 43.44 11.26 2.0832 -4 2 1 4 44.89 9.81 2.0194 -4 0 2 2 45.20 6.78 2.0062 0 4 1 4 45.96 1.09 1.9745 2 4 0 4 46.00 5.47 1.9731 2 0 2 2 47.26 5.63 1.9235 -2 4 1 4 48.63 3.37 1.8721 -5 1 1 4 49.73 2.06 1.8335 -4 2 2 4 50.18 3.27 1.8181 3 3 1 4 50.42 1.39 1.8098 -3 3 2 4 51.86 1.97 1.7631 2 4 1 4 52.85 2.70 1.7323 4 2 1 4 53.29 10.83 1.7190 1 5 0 4 53.57 1.04 1.7106 -1 1 3 4 54.69 3.62 1.6783 3 1 2 4 55.08 1.09 1.6674 -3 1 3 4 55.68 6.94 1.6509 0 4 2 4 56.59 15.42 1.6265 -2 2 3 4 57.54 14.60 1.6017 -5 3 1 4 58.29 7.78 1.5830 4 4 0 4 59.46 1.25 1.5545 5 1 1 4 59.86 1.05 1.5451 1 1 3 4 60.55 3.88 1.5290 6 0 0 2 60.85 4.68 1.5224 -6 0 2 2 61.00 5.53 1.5189 3 5 0 4 61.69 2.75 1.5036 -6 2 1 4 61.78 1.40 1.5016 -4 2 3 4 61.99 10.61 1.4970 -1 3 3 4 62.35 4.81 1.4893 4 0 2 2 62.60 1.18 1.4838 -4 4 2 4 63.37 1.68 1.4678 -3 3 3 4 63.83 4.60 1.4584 0 6 0 2 64.01 1.65 1.4545 -5 1 3 4 66.30 2.29 1.4099 4 2 2 4 67.13 9.38 1.3944 -3 5 2 4 67.42 13.94 1.3890 5 3 1 4 67.70 2.38 1.3840 1 5 2 4 68.45 4.84 1.3707 2 2 3 4 68.63 2.77 1.3675 -2 4 3 4 71.42 7.23 1.3208 -7 1 2 4 71.70 3.66 1.3163 -5 3 3 4 72.99 2.04 1.2961 7 1 0 4 73.09 3.16 1.2947 6 2 1 4 73.16 4.95 1.2937 -3 1 4 4 74.48 1.68 1.2739 -4 0 4 2 75.05 1.06 1.2657 -2 6 2 4 75.32 6.89 1.2618 0 6 2 4 75.58 3.40 1.2581 0 0 4 2 77.54 1.44 1.2311 4 4 2 4 78.15 6.43 1.2231 3 5 2 4 78.84 1.87 1.2140 -1 7 1 4 80.62 2.41 1.1917 1 7 1 4 83.72 1.35 1.1552 -8 2 1 4 83.84 2.96 1.1539 -6 0 4 2 84.48 1.14 1.1468 8 0 0 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.