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 = 0.0001 GPa _database_code_amcsd 0004759 CELL PARAMETERS: 9.6539 8.7928 5.2935 90.000 107.436 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 428.692 Density (g/cm3): 3.579 MAX. ABS. INTENSITY / VOLUME**2: 18.41056561 RIR: 1.675 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.92 39.06 6.3599 1 1 0 4 19.27 3.29 4.6052 2 0 0 2 20.06 21.93 4.4261 -1 1 1 4 20.20 16.80 4.3964 0 2 0 2 24.67 9.03 3.6081 1 1 1 4 28.06 4.59 3.1800 2 2 0 4 29.95 100.00 2.9837 -2 2 1 4 30.85 46.42 2.8985 3 1 0 4 30.92 4.82 2.8918 -3 1 1 4 32.05 1.87 2.7929 1 3 0 4 35.28 24.10 2.5439 -1 3 1 4 35.43 1.59 2.5336 -1 1 2 4 35.55 38.03 2.5251 0 0 2 2 36.37 37.42 2.4703 2 2 1 4 40.01 2.74 2.2537 3 1 1 4 40.18 1.27 2.2442 -3 1 2 4 41.10 17.23 2.1962 1 1 2 4 41.23 2.51 2.1897 0 2 2 4 42.65 1.48 2.1200 3 3 0 4 42.70 18.09 2.1173 -3 3 1 4 43.20 11.22 2.0942 -4 2 1 4 44.61 9.57 2.0312 -4 0 2 2 44.98 6.91 2.0155 0 4 1 4 45.74 1.25 1.9838 2 4 0 4 45.87 5.28 1.9783 2 0 2 2 47.00 5.99 1.9333 -2 4 1 4 48.37 3.58 1.8817 -5 1 1 4 49.43 1.98 1.8439 -4 2 2 4 49.99 3.28 1.8246 3 3 1 4 50.13 1.58 1.8196 -3 3 2 4 50.63 1.04 1.8029 5 1 0 4 51.63 1.72 1.7703 2 4 1 4 52.67 2.77 1.7379 4 2 1 4 53.01 11.02 1.7274 1 5 0 4 53.34 1.19 1.7177 -1 1 3 4 54.53 3.81 1.6827 3 1 2 4 54.77 1.10 1.6761 -3 1 3 4 55.42 6.86 1.6580 0 4 2 4 56.30 15.35 1.6342 -2 2 3 4 57.23 15.23 1.6098 -5 3 1 4 58.01 7.91 1.5900 4 4 0 4 59.26 1.32 1.5593 5 1 1 4 59.65 1.13 1.5500 1 1 3 4 60.29 3.99 1.5351 6 0 0 2 60.47 4.81 1.5310 -6 0 2 2 60.69 5.47 1.5260 3 5 0 4 61.36 2.69 1.5110 -6 2 1 4 61.40 1.45 1.5099 -4 2 3 4 61.70 10.98 1.5034 -1 3 3 4 62.17 4.87 1.4932 4 0 2 2 62.23 1.25 1.4918 -4 4 2 4 63.00 1.72 1.4754 -3 3 3 4 63.48 4.69 1.4655 0 6 0 2 63.60 1.67 1.4629 -5 1 3 4 66.08 2.38 1.4139 4 2 2 4 66.73 9.63 1.4017 -3 5 2 4 67.16 13.99 1.3938 5 3 1 4 67.38 2.39 1.3898 1 5 2 4 68.21 5.05 1.3748 2 2 3 4 68.26 2.69 1.3740 -2 4 3 4 70.97 7.50 1.3280 -7 1 2 4 71.24 3.68 1.3237 -5 3 3 4 72.66 2.10 1.3013 7 1 0 4 72.74 5.27 1.3000 -3 1 4 4 72.81 3.29 1.2990 6 2 1 4 74.03 1.76 1.2806 -4 0 4 2 74.61 1.17 1.2720 -2 6 2 4 74.92 7.27 1.2675 0 6 2 4 75.27 3.52 1.2626 0 0 4 2 77.24 1.52 1.2352 4 4 2 4 77.80 6.75 1.2276 3 5 2 4 78.38 2.07 1.2200 -1 7 1 4 80.17 2.42 1.1972 1 7 1 4 83.24 1.45 1.1607 -8 2 1 4 83.25 3.15 1.1605 -6 0 4 2 84.07 1.13 1.1513 8 0 0 2 88.33 1.01 1.1065 -4 4 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.