Aegirine Redhammer G J, Amthauer G, Roth G, Tippelt G, Lottermoser W American Mineralogist 91 (2006) 1271-1292 Single crystal X-ray diffraction and temperature dependent 57Fe Mossbauer spectroscopy on the hedenbergite - aegirine (Ca,Na)(Fe2+,Fe3+)Si2O6 solid solution Locality: synthetic Sample: Nahp22a, T = 298 K _database_code_amcsd 0004216 CELL PARAMETERS: 9.6554 8.7952 5.2942 90.000 107.396 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 429.026 Density (g/cm3): 3.576 MAX. ABS. INTENSITY / VOLUME**2: 18.40754412 RIR: 1.676 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.92 39.25 6.3620 1 1 0 4 19.27 3.27 4.6069 2 0 0 2 20.06 21.61 4.4263 -1 1 1 4 20.19 16.91 4.3976 0 2 0 2 24.66 9.02 3.6100 1 1 1 4 28.05 4.70 3.1810 2 2 0 4 29.95 100.00 2.9839 -2 2 1 4 30.84 46.57 2.8996 3 1 0 4 30.92 4.86 2.8918 -3 1 1 4 32.04 1.82 2.7937 1 3 0 4 35.27 24.52 2.5444 -1 3 1 4 35.42 1.55 2.5340 -1 1 2 4 35.54 38.36 2.5260 0 0 2 2 36.35 37.84 2.4716 2 2 1 4 39.11 1.02 2.3034 4 0 0 2 39.98 2.75 2.2550 3 1 1 4 40.19 1.32 2.2440 -3 1 2 4 41.08 17.30 2.1973 1 1 2 4 41.21 2.39 2.1904 0 2 2 4 42.63 1.49 2.1207 3 3 0 4 42.70 18.06 2.1176 -3 3 1 4 43.20 11.20 2.0944 -4 2 1 4 44.61 9.67 2.0310 -4 0 2 2 44.96 7.03 2.0161 0 4 1 4 45.72 1.20 1.9844 2 4 0 4 45.84 5.26 1.9794 2 0 2 2 46.99 6.05 1.9337 -2 4 1 4 48.37 3.57 1.8819 -5 1 1 4 49.43 1.90 1.8439 -4 2 2 4 49.96 3.27 1.8255 3 3 1 4 50.13 1.55 1.8197 -3 3 2 4 50.61 1.08 1.8036 5 1 0 4 51.61 1.80 1.7710 2 4 1 4 52.64 2.77 1.7388 4 2 1 4 53.00 11.07 1.7278 1 5 0 4 53.32 1.14 1.7180 -1 1 3 4 54.50 3.91 1.6837 3 1 2 4 54.77 1.11 1.6761 -3 1 3 4 55.40 6.89 1.6585 0 4 2 4 56.29 15.57 1.6344 -2 2 3 4 57.22 15.50 1.6100 -5 3 1 4 57.99 7.86 1.5905 4 4 0 4 59.22 1.32 1.5602 5 1 1 4 59.62 1.10 1.5507 1 1 3 4 60.27 4.03 1.5356 6 0 0 2 60.47 4.83 1.5310 -6 0 2 2 60.67 5.66 1.5264 3 5 0 4 61.35 2.73 1.5112 -6 2 1 4 61.41 1.45 1.5099 -4 2 3 4 61.68 11.16 1.5038 -1 3 3 4 62.13 4.99 1.4941 4 0 2 2 62.23 1.26 1.4919 -4 4 2 4 63.00 1.69 1.4754 -3 3 3 4 63.46 4.81 1.4659 0 6 0 2 63.61 1.69 1.4628 -5 1 3 4 66.04 2.35 1.4147 4 2 2 4 66.72 9.81 1.4019 -3 5 2 4 67.12 14.32 1.3945 5 3 1 4 67.35 2.44 1.3903 1 5 2 4 68.17 5.19 1.3755 2 2 3 4 68.25 2.75 1.3743 -2 4 3 4 70.97 7.57 1.3280 -7 1 2 4 71.24 3.85 1.3236 -5 3 3 4 72.63 2.20 1.3018 7 1 0 4 72.74 5.33 1.3000 -3 1 4 4 72.76 3.33 1.2997 6 2 1 4 74.03 1.84 1.2806 -4 0 4 2 74.60 1.19 1.2722 -2 6 2 4 74.90 7.40 1.2679 0 6 2 4 75.23 3.60 1.2630 0 0 4 2 77.19 1.53 1.2358 4 4 2 4 77.76 6.87 1.2281 3 5 2 4 78.36 2.09 1.2203 -1 7 1 4 80.14 2.46 1.1976 1 7 1 4 83.22 1.51 1.1609 -8 2 1 4 83.27 3.18 1.1604 -6 0 4 2 84.04 1.13 1.1517 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.