(Na.75K.25)AlGeO4 Hammond R P, Barbier J Acta Crystallographica B54 (1998) 211-220 Monoclinic and hexagonal nepheline structures of (Na3/4K1/4)AlGeO4 Locality: synthetic Note: hexagonal nepheline _database_code_amcsd 0009903 CELL PARAMETERS: 10.1640 10.1640 8.5400 90.000 90.000 120.000 SPACE GROUP: P6_3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 764.043 Density (g/cm3): 3.309 MAX. ABS. INTENSITY / VOLUME**2: 18.64846052 RIR: 1.835 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.45 1.24 6.1293 1 0 1 6 17.45 4.07 5.0820 1 1 0 6 20.18 27.45 4.4011 2 0 0 6 20.33 33.33 4.3672 1 1 1 6 20.80 62.81 4.2700 0 0 2 1 22.73 100.00 3.9122 2 0 1 6 23.15 3.74 3.8418 1 0 2 6 26.80 10.53 3.3269 1 2 0 6 26.80 35.95 3.3269 2 1 0 6 28.80 10.37 3.1000 1 2 1 6 29.14 71.30 3.0647 2 0 2 6 30.47 44.93 2.9341 3 0 0 6 34.17 5.07 2.6244 1 2 2 6 34.17 24.74 2.6244 2 1 2 6 35.32 16.66 2.5410 2 2 0 6 36.17 11.02 2.4836 1 1 3 6 36.82 18.32 2.4413 1 3 0 6 36.91 2.95 2.4355 2 2 1 6 37.18 2.84 2.4182 3 0 2 6 37.63 58.36 2.3903 2 0 3 6 38.35 6.04 2.3473 1 3 1 6 38.35 13.83 2.3473 3 1 1 6 41.35 2.45 2.1836 2 2 2 6 42.33 7.50 2.1350 0 0 4 1 42.42 2.01 2.1310 4 0 1 6 42.66 10.21 2.1194 1 3 2 6 42.66 2.01 2.1194 3 1 2 6 44.89 4.29 2.0194 3 2 0 6 46.19 9.31 1.9652 2 3 1 6 46.19 3.25 1.9652 3 2 1 6 46.42 3.55 1.9561 4 0 2 6 47.32 3.66 1.9209 2 0 4 6 47.33 2.00 1.9208 4 1 0 6 48.58 1.25 1.8740 1 4 1 6 49.16 3.06 1.8532 3 1 3 6 49.96 7.27 1.8255 3 2 2 6 49.96 1.45 1.8255 2 3 2 6 50.81 1.44 1.7968 2 1 4 6 51.94 2.53 1.7605 5 0 0 6 52.22 1.01 1.7517 4 1 2 6 52.57 3.43 1.7410 4 0 3 6 53.05 2.41 1.7263 3 0 4 6 53.12 9.01 1.7242 5 0 1 6 55.22 2.85 1.6635 2 4 0 6 55.22 2.85 1.6635 4 2 0 6 55.29 2.15 1.6616 3 3 1 6 55.82 4.76 1.6470 3 2 3 6 55.82 12.88 1.6470 2 3 3 6 56.28 1.59 1.6346 2 2 4 6 56.35 1.33 1.6328 2 4 1 6 56.55 7.20 1.6276 5 0 2 6 56.87 3.38 1.6190 1 1 5 6 57.33 2.05 1.6071 1 3 4 6 57.33 1.57 1.6071 3 1 4 6 57.91 16.47 1.5923 2 0 5 6 57.92 3.02 1.5922 1 4 3 6 57.92 4.42 1.5922 4 1 3 6 58.37 2.39 1.5809 1 5 0 6 59.65 4.04 1.5500 2 4 2 6 60.98 1.89 1.5195 1 2 5 6 61.98 12.50 1.4973 5 0 3 6 62.66 2.06 1.4826 1 5 2 6 62.66 1.27 1.4826 5 1 2 6 63.95 9.74 1.4557 3 3 3 6 65.59 3.57 1.4233 0 0 6 1 66.32 12.11 1.4095 2 5 0 6 66.32 6.70 1.4095 5 2 0 6 66.85 1.83 1.3995 1 3 5 6 66.85 3.91 1.3995 3 1 5 6 68.46 1.28 1.3705 3 4 2 6 69.69 1.24 1.3493 4 0 5 6 70.34 6.57 1.3385 2 5 2 6 70.34 3.60 1.3385 5 2 2 6 72.48 1.98 1.3041 3 2 5 6 72.48 5.56 1.3041 2 3 5 6 73.40 2.91 1.2900 4 3 3 6 74.03 2.92 1.2806 3 0 6 6 75.62 1.05 1.2575 5 3 0 6 75.68 1.10 1.2567 4 4 1 6 76.59 2.24 1.2441 7 0 1 6 76.75 2.19 1.2418 2 2 6 6 77.65 2.34 1.2296 1 3 6 6 77.65 1.25 1.2296 3 1 6 6 77.93 6.35 1.2259 5 0 5 6 78.33 1.06 1.2207 2 6 0 6 79.45 3.87 1.2063 7 0 2 6 79.45 1.07 1.2063 5 3 2 6 79.73 1.69 1.2028 3 3 5 6 81.90 1.51 1.1763 2 5 4 6 81.90 1.23 1.1763 5 2 4 6 81.95 1.24 1.1757 2 0 7 6 83.28 4.05 1.1602 4 4 3 6 84.17 4.88 1.1502 7 0 3 6 88.57 1.13 1.1041 4 3 5 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.