Fenaksite Rozhdestvenskaya I V, Bannova I I, Nikishova L V, Soboleva T V Doklady Earth Sciences 398 (2004) 1029-1033 The crystal structure of fenaksite K2Na2Fe2Si8O20 Locality: synthetic _database_code_amcsd 0012511 CELL PARAMETERS: 8.1420 9.9540 6.9830 100.210 114.130 105.870 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 469.098 Density (g/cm3): 2.763 MAX. ABS. INTENSITY / VOLUME**2: 4.237325409 RIR: 0.499 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.85 85.45 6.8882 -1 1 0 2 12.91 17.85 6.8574 1 0 0 2 14.13 11.73 6.2659 -1 0 1 2 14.72 52.88 6.0174 0 0 1 2 17.14 15.84 5.1719 -1 1 1 2 17.29 24.78 5.1282 -1 -1 1 2 18.90 28.93 4.6955 -1 2 0 2 19.02 3.67 4.6663 1 1 0 2 19.64 40.89 4.5203 0 2 0 2 20.24 22.24 4.3871 0 1 1 2 20.32 3.41 4.3708 0 -2 1 2 21.77 59.25 4.0825 1 -1 1 2 22.73 35.52 3.9119 -2 1 1 2 23.91 7.82 3.7223 1 -2 1 2 23.95 5.47 3.7152 -2 1 0 2 24.17 5.32 3.6818 -1 2 1 2 24.38 5.79 3.6503 -1 -2 1 2 25.87 77.19 3.4441 -2 2 0 2 25.96 12.33 3.4318 -1 0 2 2 25.99 40.00 3.4287 2 0 0 2 26.03 2.80 3.4228 -1 -1 2 2 26.64 37.74 3.3463 -2 2 1 2 26.87 1.65 3.3180 -2 -1 1 2 27.36 5.73 3.2598 -1 3 0 2 27.50 100.00 3.2435 1 2 0 2 28.00 21.67 3.1864 0 -1 2 2 28.33 9.68 3.1502 0 2 1 2 28.42 3.85 3.1401 0 -3 1 2 28.49 14.67 3.1330 -2 0 2 2 29.47 16.22 3.0314 1 -3 1 2 29.48 79.40 3.0299 -1 1 2 2 29.50 36.48 3.0281 1 1 1 2 29.67 74.42 3.0113 -1 -2 2 2 29.76 37.09 3.0017 0 -2 2 2 30.10 10.22 2.9686 -2 1 2 2 30.28 4.10 2.9520 -2 -1 2 2 31.06 1.18 2.8792 -2 3 0 2 31.26 51.77 2.8612 2 1 0 2 32.85 5.96 2.7263 2 -2 1 2 33.01 4.28 2.7132 -3 1 1 2 33.10 22.26 2.7062 -1 -3 1 2 33.25 31.29 2.6945 -2 3 1 2 33.57 9.61 2.6699 -2 -2 1 2 34.43 1.58 2.6049 -3 2 1 2 34.50 26.15 2.5998 0 -3 2 2 34.60 8.19 2.5926 -3 0 1 2 34.69 27.97 2.5859 -2 2 2 2 34.99 5.52 2.5641 -2 -2 2 2 35.24 19.86 2.5469 1 -1 2 2 35.25 2.74 2.5463 1 -2 2 2 35.62 11.63 2.5204 -1 2 2 2 35.78 1.02 2.5098 2 -3 1 2 35.88 10.12 2.5026 -1 -3 2 2 35.99 3.27 2.4957 -3 1 2 2 36.08 38.24 2.4892 -3 0 2 2 36.59 62.52 2.4560 -3 2 0 2 36.65 5.47 2.4518 -3 1 0 2 36.76 9.20 2.4447 -1 4 0 2 37.06 21.12 2.4258 1 -4 1 2 37.52 3.48 2.3970 0 3 1 2 37.62 10.98 2.3908 0 -4 1 2 38.02 6.30 2.3665 1 0 2 2 38.55 2.90 2.3352 -3 3 1 2 38.59 1.05 2.3331 2 2 0 2 38.64 1.47 2.3300 -3 2 2 2 39.24 1.22 2.2961 -3 3 0 2 39.42 6.86 2.2858 3 0 0 2 39.89 3.72 2.2602 0 4 0 2 41.24 1.03 2.1890 2 1 1 2 41.31 10.34 2.1854 0 -4 2 2 41.38 2.58 2.1818 -2 3 2 2 41.44 1.32 2.1789 -2 4 1 2 41.78 4.07 2.1621 -2 -3 2 2 42.31 5.88 2.1362 -2 -2 3 2 42.65 1.05 2.1200 -1 -4 1 2 43.14 1.30 2.0969 1 1 2 2 43.18 4.56 2.0953 1 -4 2 2 43.43 11.76 2.0834 -1 3 2 2 43.62 4.55 2.0748 -3 3 2 2 43.74 5.78 2.0694 -1 -4 2 2 44.03 4.30 2.0565 -3 -2 2 2 44.19 5.66 2.0497 -1 -3 3 2 44.38 7.32 2.0412 2 -2 2 2 44.61 4.05 2.0310 -3 -1 3 2 45.15 5.12 2.0082 -4 2 1 2 45.55 2.46 1.9916 3 -1 1 2 45.57 21.64 1.9906 2 -1 2 2 46.62 10.74 1.9484 -4 0 2 2 46.76 3.23 1.9425 -2 2 3 2 46.76 12.43 1.9425 -1 5 0 2 46.92 1.11 1.9364 -2 5 0 2 46.92 4.22 1.9363 1 4 0 2 47.37 2.55 1.9190 -4 3 1 2 48.16 2.47 1.8895 -3 -2 3 2 48.37 1.68 1.8819 2 2 1 2 48.83 3.04 1.8650 3 -4 1 2 48.94 8.65 1.8611 2 -4 2 2 48.99 2.38 1.8594 3 0 1 2 49.19 3.00 1.8521 1 -2 3 2 49.35 16.09 1.8468 0 3 2 2 49.51 1.63 1.8409 -2 4 2 2 49.53 3.87 1.8403 0 -5 2 2 49.69 7.67 1.8347 -4 3 2 2 49.70 11.02 1.8346 0 1 3 2 49.87 1.98 1.8286 0 -4 3 2 49.97 19.37 1.8251 -2 -4 2 2 50.02 2.01 1.8234 1 2 2 2 50.06 1.32 1.8219 1 -5 2 2 50.20 5.28 1.8173 -4 1 0 2 50.27 1.63 1.8150 1 -1 3 2 50.39 1.02 1.8110 -3 4 2 2 50.47 7.28 1.8081 0 5 0 2 50.65 1.44 1.8023 -4 0 3 2 50.92 3.51 1.7935 -3 5 0 2 51.26 2.31 1.7821 3 2 0 2 51.68 4.91 1.7689 -4 4 1 2 52.43 34.27 1.7453 -2 -1 4 2 52.47 1.82 1.7440 -3 5 1 2 52.55 5.68 1.7415 -1 5 1 2 52.58 1.41 1.7407 -4 2 3 2 52.95 4.32 1.7293 -3 -3 1 2 53.13 9.33 1.7240 -3 3 3 2 53.19 3.23 1.7220 -4 4 0 2 53.23 1.83 1.7209 -2 3 3 2 53.39 1.41 1.7159 -2 0 4 2 53.45 6.06 1.7143 4 0 0 2 53.50 6.07 1.7128 1 -4 3 2 53.61 1.18 1.7094 -3 -3 3 2 53.91 5.62 1.7007 -1 -1 4 2 54.25 10.61 1.6909 2 -5 2 2 54.31 2.83 1.6892 2 1 2 2 54.34 1.92 1.6882 3 1 1 2 54.87 9.47 1.6731 -4 4 2 2 55.38 4.40 1.6590 -4 -2 2 2 56.06 1.10 1.6404 -1 -3 4 2 56.66 2.74 1.6244 -3 -2 4 2 57.24 1.45 1.6096 -1 -5 3 2 57.33 3.91 1.6071 -1 6 0 2 57.73 1.63 1.5969 -4 5 1 2 57.73 2.68 1.5969 3 -4 2 2 58.30 1.25 1.5827 1 -6 2 2 58.52 1.91 1.5773 -3 5 2 2 58.54 1.07 1.5768 4 1 0 2 58.54 1.49 1.5767 -5 3 1 2 58.61 7.13 1.5751 0 4 2 2 58.71 1.78 1.5726 -5 3 2 2 58.82 2.59 1.5700 0 -1 4 2 58.90 2.22 1.5680 0 -3 4 2 59.00 4.00 1.5656 -5 0 2 2 59.16 1.76 1.5616 4 -4 1 2 59.23 4.68 1.5599 -2 -5 2 2 59.31 1.06 1.5580 4 -1 1 2 59.42 4.42 1.5554 3 3 0 2 59.59 3.52 1.5515 -5 1 3 2 59.77 4.51 1.5472 -1 1 4 2 59.83 7.80 1.5458 -4 1 4 2 60.03 1.37 1.5411 -4 -1 4 2 60.05 1.98 1.5407 -1 -4 4 2 60.45 1.48 1.5315 -5 2 3 2 60.64 3.89 1.5271 -3 -4 3 2 60.65 1.83 1.5268 -3 -3 4 2 61.00 3.35 1.5189 3 -6 1 2 61.14 1.19 1.5157 2 -6 2 2 61.16 3.71 1.5154 -2 -5 1 2 61.22 1.48 1.5140 2 2 2 2 61.27 2.81 1.5128 3 2 1 2 61.35 2.16 1.5112 -5 4 1 2 61.55 3.56 1.5068 0 6 0 2 61.57 1.99 1.5062 3 -5 2 2 61.65 1.71 1.5044 -4 5 2 2 61.66 1.22 1.5044 0 0 4 2 62.26 1.80 1.4912 -1 5 2 2 62.28 1.47 1.4907 -4 -3 2 2 62.64 3.20 1.4831 -1 -6 2 2 62.91 4.75 1.4774 -4 -3 3 2 62.97 3.78 1.4760 -4 -2 4 2 63.17 2.06 1.4720 4 0 1 2 63.18 6.62 1.4717 -5 3 3 2 63.65 1.49 1.4620 -1 -6 1 2 63.89 2.36 1.4569 0 -6 3 2 64.12 1.56 1.4523 2 0 3 2 64.12 4.81 1.4523 2 -5 3 2 64.48 4.20 1.4450 -5 4 0 2 64.70 5.15 1.4407 -5 1 0 2 64.76 5.65 1.4396 -4 6 0 2 64.90 9.89 1.4369 1 -3 4 2 65.05 2.58 1.4337 1 2 3 2 65.39 1.03 1.4273 -1 4 3 2 65.72 1.76 1.4208 -1 -5 4 2 65.76 2.21 1.4201 -3 3 4 2 65.85 1.50 1.4183 -4 -3 1 2 66.13 1.23 1.4131 1 5 1 2 66.25 3.43 1.4107 0 1 4 2 66.35 3.71 1.4089 -5 1 4 2 66.86 3.65 1.3994 -2 7 0 2 67.10 1.03 1.3950 3 -6 2 2 67.19 2.36 1.3932 2 5 0 2 67.26 9.48 1.3920 3 1 2 2 67.52 1.55 1.3873 -3 -1 5 2 67.67 2.45 1.3846 1 -7 2 2 67.80 2.68 1.3822 -3 6 2 2 68.02 6.34 1.3783 4 -3 2 2 68.05 2.02 1.3778 -5 2 4 2 68.25 1.95 1.3742 -5 -2 3 2 68.28 3.74 1.3736 -3 7 0 2 68.33 1.17 1.3728 -3 0 5 2 68.37 1.95 1.3721 4 -6 1 2 68.37 1.66 1.3720 -5 -1 4 2 68.47 1.19 1.3703 -3 -5 2 2 68.48 5.85 1.3700 -5 -2 2 2 68.74 3.54 1.3656 3 4 0 2 68.74 4.89 1.3656 1 6 0 2 68.90 2.67 1.3627 -2 6 2 2 69.01 1.69 1.3608 3 -3 3 2 69.26 7.91 1.3566 -6 2 2 2 69.40 1.33 1.3542 2 -7 2 2 69.46 3.00 1.3531 -2 -6 2 2 69.49 2.11 1.3527 2 3 2 2 69.51 1.36 1.3523 -4 5 3 2 69.55 3.41 1.3516 -1 -2 5 2 69.81 4.28 1.3472 -4 6 2 2 70.20 1.65 1.3407 -2 5 3 2 70.55 1.33 1.3350 -4 -4 2 2 71.34 2.01 1.3221 -3 7 1 2 71.50 2.55 1.3195 4 -5 2 2 71.67 1.50 1.3167 -6 2 1 2 71.68 1.19 1.3167 5 -2 1 2 71.94 1.99 1.3125 -3 -5 1 2 72.30 3.37 1.3069 -4 1 5 2 72.57 1.11 1.3027 -2 1 5 2 72.75 2.44 1.2998 -4 7 0 2 72.81 1.53 1.2990 -3 4 4 2 72.95 1.38 1.2968 -1 0 5 2 73.08 1.90 1.2949 1 3 3 2 73.19 2.07 1.2932 -1 -4 5 2 73.30 3.85 1.2915 0 7 0 2 74.12 2.47 1.2793 5 -5 1 2 74.14 1.53 1.2788 3 -7 2 2 74.34 1.48 1.2759 3 2 2 2 74.51 1.11 1.2735 2 -2 4 2 74.68 3.77 1.2711 0 -3 5 2 75.34 1.07 1.2615 4 -7 1 2 75.43 2.34 1.2602 -2 4 4 2 75.44 1.30 1.2600 1 1 4 2 75.58 1.10 1.2580 -5 -3 2 2 75.69 1.63 1.2565 -3 -4 5 2 76.02 1.29 1.2519 4 0 2 2 76.06 2.42 1.2513 -2 -6 4 2 76.38 1.97 1.2469 -6 -1 3 2 76.53 1.01 1.2448 2 2 3 2 76.54 5.02 1.2446 -6 0 4 2 76.59 1.33 1.2440 -5 4 4 2 76.67 1.31 1.2428 -5 1 5 2 76.83 1.50 1.2408 3 -6 3 2 76.87 1.06 1.2402 2 5 1 2 76.90 1.02 1.2398 -5 -1 5 2 77.08 1.67 1.2373 2 -1 4 2 77.55 3.48 1.2309 -1 -5 5 2 78.20 2.18 1.2223 -2 8 0 2 78.69 1.79 1.2160 5 0 1 2 78.93 1.68 1.2129 2 -8 2 2 79.26 1.39 1.2087 -4 7 2 2 80.24 1.60 1.1963 -6 5 0 2 81.37 1.12 1.1826 2 -6 4 2 81.84 1.50 1.1770 4 -3 3 2 82.10 1.08 1.1739 -4 8 0 2 82.22 1.55 1.1725 1 2 4 2 82.45 1.41 1.1698 1 4 3 2 82.73 1.56 1.1666 4 4 0 2 83.41 1.08 1.1588 -6 -2 2 2 85.39 1.40 1.1369 -1 -8 2 2 85.42 1.96 1.1366 -2 -7 4 2 87.10 2.07 1.1189 5 -6 2 2 87.33 1.68 1.1165 5 -1 2 2 87.44 1.15 1.1154 -6 6 3 2 88.66 1.06 1.1032 -6 3 5 2 89.22 1.20 1.0978 4 -8 2 2 89.83 1.37 1.0919 1 6 2 2 89.90 1.37 1.0912 -3 8 2 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.