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 = 9.76 GPa _database_code_amcsd 0004765 CELL PARAMETERS: 9.4220 8.5480 5.1597 90.000 106.371 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 398.710 Density (g/cm3): 3.848 MAX. ABS. INTENSITY / VOLUME**2: 17.59855705 RIR: 1.489 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.26 43.64 6.2110 1 1 0 4 19.64 3.97 4.5200 2 0 0 2 20.67 19.60 4.2981 -1 1 1 4 20.78 18.23 4.2740 0 2 0 2 25.08 9.37 3.5506 1 1 1 4 28.75 2.59 3.1055 2 2 0 4 30.89 100.00 2.8952 -2 2 1 4 31.48 48.59 2.8419 3 1 0 4 31.87 5.19 2.8079 -3 1 1 4 32.96 1.60 2.7175 1 3 0 4 36.29 39.85 2.4753 0 0 2 2 36.34 30.87 2.4722 -1 3 1 4 36.38 2.63 2.4697 -1 1 2 4 37.03 46.64 2.4276 2 2 1 4 40.59 3.19 2.2227 3 1 1 4 41.53 1.38 2.1747 -3 1 2 4 41.82 18.19 2.1600 1 1 2 4 42.19 1.55 2.1420 0 2 2 4 42.29 1.88 2.1370 0 4 0 2 43.72 2.25 2.0703 3 3 0 4 44.02 19.77 2.0571 -3 3 1 4 44.47 12.44 2.0372 -4 2 1 4 46.13 12.30 1.9679 -4 0 2 2 46.27 6.86 1.9620 0 4 1 4 46.53 7.00 1.9516 2 0 2 2 47.04 1.05 1.9320 2 4 0 4 47.55 1.20 1.9124 -1 3 2 4 48.47 5.21 1.8780 -2 4 1 4 49.72 4.33 1.8336 -5 1 1 4 51.00 2.85 1.7906 3 3 1 4 51.10 1.72 1.7875 -4 2 2 4 52.91 2.62 1.7305 2 4 1 4 53.57 2.79 1.7107 4 2 1 4 54.64 10.27 1.6798 1 5 0 4 55.32 3.93 1.6607 3 1 2 4 56.93 8.13 1.6176 0 4 2 4 57.99 16.71 1.5904 -2 2 3 4 58.91 12.83 1.5677 -5 3 1 4 59.54 7.47 1.5528 4 4 0 4 60.21 1.50 1.5368 5 1 1 4 60.81 1.07 1.5233 1 1 3 4 61.55 4.20 1.5067 6 0 0 2 62.46 6.63 1.4870 3 5 0 4 62.48 5.24 1.4865 -6 0 2 2 63.03 5.01 1.4748 4 0 2 2 63.09 3.15 1.4736 -6 2 1 4 63.42 11.32 1.4667 -1 3 3 4 63.55 1.46 1.4639 -4 2 3 4 65.11 1.19 1.4327 -3 3 3 4 65.52 4.77 1.4247 0 6 0 2 65.91 2.17 1.4172 -5 1 3 4 67.14 2.32 1.3941 4 2 2 4 68.49 15.18 1.3699 5 3 1 4 69.01 9.02 1.3609 -3 5 2 4 69.05 1.01 1.3603 1 3 3 4 69.22 2.41 1.3573 1 5 2 4 69.49 4.96 1.3527 2 2 3 4 70.27 1.13 1.3396 -2 6 1 4 70.44 3.47 1.3368 -2 4 3 4 73.34 7.29 1.2908 -7 1 2 4 73.86 3.38 1.2831 -5 3 3 4 74.16 3.16 1.2786 6 2 1 4 74.27 2.11 1.2769 7 1 0 4 75.14 4.67 1.2644 -3 1 4 4 76.65 1.94 1.2431 -4 0 4 2 77.06 3.08 1.2376 0 0 4 2 77.17 1.03 1.2361 -2 6 2 4 77.27 6.04 1.2348 0 6 2 4 78.86 1.57 1.2138 4 4 2 4 79.71 6.64 1.2029 3 5 2 4 81.09 1.59 1.1859 -1 7 1 4 82.83 2.60 1.1654 1 7 1 4 85.68 1.33 1.1338 -8 2 1 4 86.04 1.14 1.1300 8 0 0 2 86.58 2.55 1.1243 -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.