Nepheline Tait K T, Sokolova E V, Hawthorne F C, Khomyakov A P The Canadian Mineralogist 41 (2003) 61-70 The crystal chemistry of nepheline Note: sample 3 Locality: Monte Somma, Italy _database_code_amcsd 0005824 CELL PARAMETERS: 9.9979 9.9979 8.3852 90.000 90.000 120.000 SPACE GROUP: P6_3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 725.875 Density (g/cm3): 2.660 MAX. ABS. INTENSITY / VOLUME**2: 8.503915148 RIR: 1.041 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.74 3.35 4.9990 1 1 0 6 20.52 10.83 4.3292 2 0 0 6 20.69 7.25 4.2938 1 1 1 6 21.19 42.21 4.1926 0 0 2 1 23.12 72.75 3.8468 2 0 1 6 23.58 6.70 3.7735 1 0 2 6 27.25 37.10 3.2726 1 2 0 6 27.25 11.81 3.2726 2 1 0 6 29.30 1.56 3.0486 1 2 1 6 29.30 9.08 3.0486 2 1 1 6 29.66 100.00 3.0118 2 0 2 6 30.98 46.03 2.8861 3 0 0 6 33.70 1.12 2.6599 1 0 3 6 34.78 22.65 2.5797 1 2 2 6 34.78 2.60 2.5797 2 1 2 6 35.93 17.47 2.4995 2 2 0 6 36.84 1.99 2.4396 1 1 3 6 37.45 2.28 2.4014 1 3 0 6 37.45 11.54 2.4014 3 1 0 6 37.55 2.50 2.3953 2 2 1 6 37.84 2.56 2.3773 3 0 2 6 38.33 41.47 2.3482 2 0 3 6 39.02 15.37 2.3086 1 3 1 6 39.02 9.35 2.3086 3 1 1 6 41.73 4.73 2.1646 4 0 0 6 42.09 1.62 2.1469 2 2 2 6 42.53 3.21 2.1254 1 2 3 6 42.53 4.51 2.1254 2 1 3 6 43.15 13.16 2.0963 0 0 4 1 43.16 1.12 2.0959 4 0 1 6 43.43 1.41 2.0838 3 1 2 6 43.43 3.95 2.0838 1 3 2 6 45.67 2.64 1.9864 2 3 0 6 47.01 1.68 1.9329 2 3 1 6 47.01 8.00 1.9329 3 2 1 6 47.26 5.53 1.9234 4 0 2 6 48.16 3.30 1.8894 1 4 0 6 48.23 4.78 1.8867 2 0 4 6 49.45 2.16 1.8432 4 1 1 6 50.87 7.24 1.7951 2 3 2 6 51.79 1.33 1.7652 2 1 4 6 52.87 1.16 1.7317 5 0 0 6 53.17 1.01 1.7226 1 4 2 6 53.55 2.88 1.7114 4 0 3 6 54.07 2.04 1.6961 3 0 4 6 54.08 5.49 1.6959 5 0 1 6 56.22 3.19 1.6363 2 4 0 6 56.22 2.11 1.6363 4 2 0 6 56.87 1.91 1.6191 2 3 3 6 56.87 9.33 1.6191 3 2 3 6 57.37 1.82 1.6060 4 2 1 6 57.59 6.37 1.6005 5 0 2 6 58.01 1.16 1.5900 1 1 5 6 58.44 1.24 1.5792 1 3 4 6 59.01 5.64 1.5653 1 4 3 6 59.01 3.01 1.5653 4 1 3 6 59.07 15.50 1.5638 2 0 5 6 59.44 2.88 1.5551 5 1 0 6 59.72 2.15 1.5485 3 3 2 6 60.56 1.29 1.5290 5 1 1 6 60.76 4.46 1.5243 4 2 2 6 61.59 1.31 1.5059 4 0 4 6 63.16 6.93 1.4721 5 0 3 6 63.84 2.59 1.4580 5 1 2 6 64.64 1.15 1.4419 3 2 4 6 65.18 10.17 1.4313 3 3 3 6 66.96 3.39 1.3975 0 0 6 1 67.56 6.24 1.3865 2 5 0 6 67.56 14.20 1.3865 5 2 0 6 68.21 4.21 1.3749 1 3 5 6 68.21 2.35 1.3749 3 1 5 6 69.77 1.39 1.3479 3 4 2 6 69.77 1.18 1.3479 4 3 2 6 71.11 1.36 1.3257 4 0 5 6 71.70 4.23 1.3164 5 2 2 6 73.97 1.62 1.2814 2 3 5 6 73.97 6.39 1.2814 3 2 5 6 74.86 3.00 1.2684 3 4 3 6 75.60 3.73 1.2578 3 0 6 6 78.40 3.54 1.2198 2 2 6 6 79.32 1.05 1.2079 1 3 6 6 79.32 2.10 1.2079 3 1 6 6 79.57 5.60 1.2047 5 0 5 6 80.87 1.56 1.1887 6 0 4 6 81.06 6.05 1.1864 7 0 2 6 81.79 1.04 1.1776 3 4 4 6 83.62 1.19 1.1564 5 2 4 6 85.02 1.18 1.1409 4 4 3 6 85.07 1.07 1.1403 5 1 5 6 85.93 3.29 1.1311 7 0 3 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.