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 = 8.63 GPa _database_code_amcsd 0004764 CELL PARAMETERS: 9.4426 8.5727 5.1740 90.000 106.482 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 401.618 Density (g/cm3): 3.820 MAX. ABS. INTENSITY / VOLUME**2: 17.76577788 RIR: 1.514 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.23 43.19 6.2252 1 1 0 4 19.61 4.30 4.5273 2 0 0 2 20.60 20.36 4.3114 -1 1 1 4 20.72 17.86 4.2863 0 2 0 2 25.04 9.12 3.5565 1 1 1 4 28.68 2.60 3.1126 2 2 0 4 30.79 100.00 2.9040 -2 2 1 4 31.42 49.23 2.8469 3 1 0 4 31.78 5.15 2.8159 -3 1 1 4 32.87 1.77 2.7251 1 3 0 4 36.21 40.26 2.4807 0 0 2 2 36.23 29.78 2.4795 -1 3 1 4 36.27 2.67 2.4766 -1 1 2 4 36.97 45.91 2.4318 2 2 1 4 40.53 3.28 2.2255 3 1 1 4 41.39 1.30 2.1817 -3 1 2 4 41.74 18.43 2.1639 1 1 2 4 42.08 1.81 2.1471 0 2 2 4 42.16 1.90 2.1432 0 4 0 2 43.62 2.29 2.0751 3 3 0 4 43.89 19.54 2.0630 -3 3 1 4 44.35 12.58 2.0426 -4 2 1 4 45.97 11.88 1.9741 -4 0 2 2 46.14 6.93 1.9675 0 4 1 4 46.46 6.75 1.9544 2 0 2 2 46.90 1.09 1.9371 2 4 0 4 47.40 1.17 1.9178 -1 3 2 4 48.32 5.18 1.8836 -2 4 1 4 49.60 4.32 1.8380 -5 1 1 4 50.90 2.84 1.7939 3 3 1 4 50.93 1.90 1.7931 -4 2 2 4 52.78 2.54 1.7345 2 4 1 4 53.49 2.77 1.7131 4 2 1 4 54.47 10.70 1.6846 1 5 0 4 55.24 3.98 1.6628 3 1 2 4 56.77 8.43 1.6218 0 4 2 4 57.81 17.06 1.5950 -2 2 3 4 58.75 13.73 1.5716 -5 3 1 4 59.39 7.81 1.5563 4 4 0 4 60.13 1.55 1.5388 5 1 1 4 60.68 1.11 1.5262 1 1 3 4 61.44 4.19 1.5091 6 0 0 2 62.28 6.78 1.4908 3 5 0 4 62.28 5.21 1.4907 -6 0 2 2 62.92 3.35 1.4770 -6 2 1 4 62.95 5.31 1.4765 4 0 2 2 63.23 11.31 1.4706 -1 3 3 4 63.33 1.56 1.4686 -4 2 3 4 64.88 1.37 1.4371 -3 3 3 4 65.31 4.73 1.4288 0 6 0 2 65.67 2.15 1.4218 -5 1 3 4 67.04 2.46 1.3960 4 2 2 4 68.37 15.40 1.3721 5 3 1 4 68.77 9.60 1.3650 -3 5 2 4 68.88 1.05 1.3631 1 3 3 4 69.02 2.45 1.3607 1 5 2 4 69.35 5.21 1.3550 2 2 3 4 70.03 1.19 1.3435 -2 6 1 4 70.20 3.50 1.3407 -2 4 3 4 73.11 7.68 1.2943 -7 1 2 4 73.58 3.72 1.2872 -5 3 3 4 74.04 3.34 1.2804 6 2 1 4 74.13 2.07 1.2790 7 1 0 4 74.88 4.92 1.2682 -3 1 4 4 76.37 1.89 1.2470 -4 0 4 2 76.86 3.41 1.2403 0 0 4 2 76.90 1.02 1.2398 -2 6 2 4 77.02 6.47 1.2381 0 6 2 4 78.70 1.61 1.2159 4 4 2 4 79.52 7.15 1.2054 3 5 2 4 80.81 1.72 1.1893 -1 7 1 4 82.55 2.70 1.1687 1 7 1 4 85.45 1.44 1.1362 -8 2 1 4 85.86 1.20 1.1318 8 0 0 2 86.23 2.84 1.1280 -6 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.