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 = 10.82 GPa _database_code_amcsd 0004766 CELL PARAMETERS: 9.4038 8.5221 5.1465 90.000 106.256 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 395.952 Density (g/cm3): 3.875 MAX. ABS. INTENSITY / VOLUME**2: 17.67721225 RIR: 1.486 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.29 43.48 6.1971 1 1 0 4 19.67 4.60 4.5139 2 0 0 2 20.73 19.80 4.2854 -1 1 1 4 20.85 18.49 4.2611 0 2 0 2 25.12 9.64 3.5454 1 1 1 4 28.81 2.41 3.0986 2 2 0 4 30.98 100.00 2.8865 -2 2 1 4 31.53 49.48 2.8376 3 1 0 4 31.96 5.27 2.8005 -3 1 1 4 33.06 1.51 2.7097 1 3 0 4 36.37 40.28 2.4704 0 0 2 2 36.45 30.62 2.4648 -1 3 1 4 36.47 2.80 2.4634 -1 1 2 4 37.09 47.30 2.4238 2 2 1 4 40.63 3.28 2.2205 3 1 1 4 41.66 1.36 2.1680 -3 1 2 4 41.89 18.14 2.1566 1 1 2 4 42.29 1.52 2.1372 0 2 2 4 42.43 1.99 2.1305 0 4 0 2 43.83 2.28 2.0657 3 3 0 4 44.15 19.69 2.0513 -3 3 1 4 44.59 12.69 2.0322 -4 2 1 4 46.27 12.17 1.9621 -4 0 2 2 46.41 6.84 1.9564 0 4 1 4 46.59 7.17 1.9494 2 0 2 2 47.17 1.01 1.9267 2 4 0 4 47.69 1.28 1.9071 -1 3 2 4 48.63 5.14 1.8724 -2 4 1 4 49.84 4.27 1.8297 -5 1 1 4 51.10 2.62 1.7875 3 3 1 4 51.26 1.83 1.7822 -4 2 2 4 53.04 2.61 1.7266 2 4 1 4 53.64 2.88 1.7086 4 2 1 4 54.81 10.27 1.6748 1 5 0 4 55.38 4.15 1.6589 3 1 2 4 57.09 8.42 1.6134 0 4 2 4 58.16 17.13 1.5860 -2 2 3 4 59.07 13.32 1.5639 -5 3 1 4 59.68 7.66 1.5493 4 4 0 4 60.28 1.50 1.5353 5 1 1 4 60.92 1.11 1.5208 1 1 3 4 61.64 4.21 1.5046 6 0 0 2 62.64 6.90 1.4831 3 5 0 4 62.66 5.33 1.4826 -6 0 2 2 63.09 5.16 1.4735 4 0 2 2 63.24 3.25 1.4705 -6 2 1 4 63.60 11.23 1.4630 -1 3 3 4 63.77 1.51 1.4595 -4 2 3 4 65.32 1.23 1.4285 -3 3 3 4 65.74 4.78 1.4204 0 6 0 2 66.13 2.18 1.4129 -5 1 3 4 67.23 2.36 1.3926 4 2 2 4 68.60 15.67 1.3680 5 3 1 4 69.20 1.11 1.3576 1 3 3 4 69.25 9.20 1.3568 -3 5 2 4 69.41 2.37 1.3540 1 5 2 4 69.61 5.09 1.3507 2 2 3 4 70.51 1.19 1.3356 -2 6 1 4 70.67 3.60 1.3330 -2 4 3 4 73.55 7.46 1.2877 -7 1 2 4 74.12 3.54 1.2792 -5 3 3 4 74.26 3.16 1.2772 6 2 1 4 74.39 2.10 1.2752 7 1 0 4 75.38 4.70 1.2609 -3 1 4 4 76.92 1.95 1.2395 -4 0 4 2 77.24 3.21 1.2352 0 0 4 2 77.44 1.03 1.2324 -2 6 2 4 77.52 6.11 1.2313 0 6 2 4 79.01 1.57 1.2119 4 4 2 4 79.90 6.92 1.2005 3 5 2 4 81.39 1.64 1.1823 -1 7 1 4 83.12 2.72 1.1621 1 7 1 4 85.88 1.43 1.1316 -8 2 1 4 86.18 1.17 1.1285 8 0 0 2 86.91 2.64 1.1209 -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.