Fenaksite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from single crystal data of R060693 Golovachev V P, Drozdov Y N, Kuz'min E A, Belov N V Soviet Physics Doklady 15 (1971) 902-904 The crystal structure of phenaxite FeNaK(Si4O10)(KNaFe[Si4O10]) Locality: Khibiny massif, Kola Peninsula, Russia CELL PARAMETERS: 6.9780 8.2600 9.9560 114.180 80.320 115.750 SPACE GROUP: P-1 ATOM X Y Z OCCUPANCY ISO(B) K 0.14000 0.80900 0.01000 1.000 0.600 Na 0.52500 0.27000 0.41000 1.000 0.600 Fe 0.04900 0.29900 0.40700 1.000 0.600 Si 0.66900 0.91300 0.21300 1.000 0.600 Si 0.23000 0.63100 0.27000 1.000 0.600 Si 0.38000 0.30400 0.13100 1.000 0.600 Si 0.80300 0.63200 0.27300 1.000 0.600 O 0.63000 0.85600 0.04100 1.000 0.600 O 0.29400 0.45700 0.13300 1.000 0.600 O 0.63200 0.42400 0.16700 1.000 0.600 O 0.43100 0.83800 0.28600 1.000 0.600 O 0.79100 0.79800 0.23000 1.000 0.600 O 0.79000 0.13900 0.28000 1.000 0.600 O 0.03300 0.62900 0.20500 1.000 0.600 O 0.17500 0.58900 0.41800 1.000 0.600 O 0.76000 0.65500 0.43600 1.000 0.600 O 0.25100 0.19200 0.23700 1.000 0.600 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 5 +/- 6 +/- 8 MAX. ABS. INTENSITY / VOLUME**2: 4.870983262 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 12.86 17.12 6.8847 0 -1 1 12.86 69.60 6.8846 0 1 0 14.09 10.56 6.2846 1 0 0 14.84 42.30 5.9716 1 -1 1 17.06 23.65 5.1970 -1 0 1 17.25 13.00 5.1393 1 0 1 18.90 3.40 4.6961 0 -1 2 18.90 28.24 4.6959 0 1 1 19.55 35.81 4.5409 0 0 2 20.14 3.11 4.4084 -1 1 1 20.39 18.25 4.3557 1 -1 2 21.85 52.17 4.0682 1 -2 1 22.71 29.73 3.9161 1 1 0 23.90 7.95 3.7234 -1 2 0 23.92 5.25 3.7199 0 -2 1 24.04 5.28 3.7017 -1 0 2 24.32 3.81 3.6600 1 0 2 25.88 34.03 3.4424 0 -2 2 25.88 65.97 3.4423 0 2 0 25.94 2.84 3.4342 -2 1 0 26.07 10.55 3.4174 2 -1 1 26.53 1.49 3.3592 -1 -1 2 26.73 31.65 3.3356 1 1 1 27.32 86.15 3.2644 0 -1 3 27.32 4.60 3.2643 0 1 2 28.11 19.13 3.1748 2 -2 1 28.15 2.64 3.1696 -1 1 2 28.40 12.53 3.1423 2 0 0 28.45 8.87 3.1369 1 -1 3 29.36 16.80 3.0417 -1 2 1 29.38 69.58 3.0400 -2 1 1 29.59 31.51 3.0185 1 -2 3 29.70 32.77 3.0082 -2 2 0 29.73 68.33 3.0054 2 -1 2 29.98 3.11 2.9806 -2 0 1 30.21 9.37 2.9587 2 0 1 31.08 47.61 2.8776 0 -2 3 31.08 1.12 2.8776 0 2 1 32.68 20.56 2.7402 -1 0 3 32.88 3.62 2.7242 -1 -2 1 32.91 4.78 2.7217 1 -3 1 33.12 8.40 2.7047 -1 -1 3 33.38 27.50 2.6842 1 1 2 34.27 23.23 2.6168 -2 2 1 34.32 7.03 2.6131 -1 -2 2 34.42 1.47 2.6056 1 2 0 34.52 5.13 2.5985 -2 0 2 34.92 24.33 2.5696 2 0 2 35.34 1.81 2.5400 2 -3 1 35.43 16.88 2.5332 2 -3 2 35.44 10.42 2.5329 -2 1 2 35.79 1.23 2.5092 -1 3 0 35.82 34.41 2.5069 -2 -1 1 35.92 2.62 2.5003 2 1 0 35.93 10.04 2.4997 2 -1 3 36.57 4.85 2.4571 0 -3 2 36.57 55.82 2.4571 0 -3 1 36.68 8.24 2.4500 0 1 3 36.87 19.80 2.4376 -1 2 2 37.28 9.80 2.4122 -1 1 3 37.60 3.56 2.3919 1 -1 4 38.28 5.61 2.3511 2 -3 3 38.63 2.70 2.3307 1 2 1 38.73 1.51 2.3247 2 1 1 39.26 6.76 2.2949 0 -3 3 39.26 1.15 2.2949 0 3 0 39.70 3.22 2.2705 0 0 4 40.94 10.26 2.2042 -2 2 2 41.16 4.20 2.1933 -2 0 3 41.27 1.02 2.1875 1 -3 4 41.58 1.37 2.1721 1 1 3 41.67 2.39 2.1673 2 0 3 41.95 5.14 2.1537 -3 1 1 42.16 1.24 2.1436 -1 0 4 43.01 4.22 2.1032 -2 3 1 43.18 4.98 2.0953 -2 1 3 43.42 5.12 2.0843 -2 -1 3 43.42 1.21 2.0840 2 -3 4 43.75 11.23 2.0689 2 -1 4 43.83 4.80 2.0656 2 1 2 43.85 5.43 2.0645 -3 2 1 44.26 3.65 2.0466 -3 0 1 44.54 6.57 2.0341 2 -4 2 45.05 4.60 2.0125 -1 -3 1 45.59 2.42 1.9897 1 -4 3 45.79 19.86 1.9817 2 -4 3 46.21 10.95 1.9643 -2 -2 2 46.63 3.77 1.9478 0 -1 5 46.63 12.47 1.9478 0 1 4 46.88 1.01 1.9380 0 2 3 47.15 3.01 1.9277 3 -1 3 47.38 1.81 1.9189 1 3 0 47.59 2.25 1.9109 -3 0 2 48.35 1.39 1.8826 1 -3 5 48.85 2.57 1.8643 -1 4 0 48.92 7.74 1.8617 -2 4 0 49.00 1.95 1.8589 1 -4 4 49.05 3.65 1.8574 -2 2 3 49.23 18.00 1.8508 -2 0 4 49.41 3.42 1.8444 3 -4 2 49.59 2.07 1.8384 -3 3 1 49.64 14.32 1.8364 2 -2 5 49.77 1.37 1.8319 -2 3 2 49.78 7.17 1.8317 2 2 1 49.83 1.31 1.8300 2 0 4 50.06 4.91 1.8221 0 -4 3 50.14 10.07 1.8193 3 -3 4 50.23 7.32 1.8164 0 0 5 50.29 1.62 1.8142 2 -3 5 50.32 1.20 1.8134 -3 -1 1 50.60 1.03 1.8038 3 -4 3 50.94 1.95 1.7928 0 -3 5 50.94 3.22 1.7928 0 3 2 51.75 4.27 1.7664 1 3 1 52.32 3.89 1.7486 -1 -2 5 52.46 29.66 1.7442 4 -2 1 52.61 1.74 1.7397 1 2 3 52.62 4.93 1.7394 1 0 5 52.65 1.38 1.7386 3 1 1 52.85 1.58 1.7323 -3 0 3 53.22 5.57 1.7212 0 -4 4 53.22 2.97 1.7211 0 4 0 53.42 6.18 1.7151 -3 4 0 53.49 8.22 1.7131 3 0 3 53.64 1.09 1.7087 4 -2 2 53.69 1.35 1.7072 3 -1 4 54.13 10.14 1.6944 -2 4 1 54.15 5.07 1.6937 4 -3 2 54.30 1.62 1.6893 1 -4 5 54.55 2.94 1.6824 2 -4 5 54.64 4.32 1.6796 -2 -2 4 55.06 8.52 1.6678 2 2 2 55.71 1.04 1.6499 -3 3 2 55.89 1.25 1.6451 -4 3 0 56.23 2.63 1.6360 -4 1 1 56.55 1.23 1.6273 -3 2 3 57.14 3.49 1.6120 0 1 5 57.81 2.65 1.5948 2 -5 1 57.85 1.68 1.5938 1 3 2 58.22 1.07 1.5848 0 -4 5 58.38 4.34 1.5807 -2 0 5 58.46 1.07 1.5787 -1 -4 1 58.47 3.75 1.5784 -2 -3 3 58.67 1.73 1.5735 2 3 0 58.82 1.55 1.5698 2 1 4 58.88 5.96 1.5685 2 -2 6 58.95 2.04 1.5669 4 -4 1 59.01 4.40 1.5654 0 -3 6 59.21 1.88 1.5605 4 -4 3 59.22 1.71 1.5603 1 -5 1 59.29 3.08 1.5586 -3 -2 1 59.60 1.44 1.5513 -4 0 1 59.66 2.03 1.5498 -4 3 1 59.70 4.12 1.5489 -3 0 4 59.86 7.28 1.5451 4 0 1 59.98 1.32 1.5422 -4 1 2 60.32 4.35 1.5345 4 -3 4 60.34 1.65 1.5339 3 2 0 60.45 3.43 1.5314 -1 -1 6 60.92 1.33 1.5208 -2 4 2 60.92 3.04 1.5208 -1 4 2 61.18 2.86 1.5150 1 -4 6 61.24 3.52 1.5136 0 0 6 61.36 2.20 1.5109 1 4 0 61.39 1.51 1.5101 -2 -2 5 61.43 1.40 1.5093 2 -4 6 61.57 1.81 1.5062 -2 5 0 61.85 3.00 1.5002 -2 1 5 61.91 1.86 1.4987 2 2 3 61.96 4.38 1.4977 -3 -1 4 62.18 1.02 1.4929 4 -4 4 62.30 3.88 1.4903 -4 0 2 62.55 1.77 1.4849 2 -1 6 62.99 1.15 1.4756 -1 0 6 63.12 1.60 1.4730 1 -5 5 63.25 6.06 1.4702 3 2 1 63.29 2.52 1.4695 -3 3 3 64.07 4.41 1.4533 -3 5 0 64.49 4.87 1.4450 0 -5 4 64.49 4.20 1.4449 0 -5 1 64.54 1.72 1.4438 3 -5 5 64.80 5.16 1.4388 0 4 2 65.12 1.45 1.4325 -1 -3 6 65.12 9.25 1.4325 4 -5 2 65.12 1.70 1.4324 -4 3 2 65.54 2.48 1.4243 3 -4 6 66.02 1.24 1.4151 1 -2 7 66.17 3.63 1.4123 4 1 0 66.30 1.81 1.4097 4 -1 4 66.71 2.41 1.4020 0 -2 7 66.72 3.31 1.4020 0 2 5 66.88 2.72 1.3989 4 -4 5 67.15 2.29 1.3941 -2 3 4 67.32 2.00 1.3908 -3 -2 4 67.44 8.92 1.3887 2 -5 6 67.45 1.29 1.3885 -2 -1 6 67.50 1.59 1.3875 5 -2 1 67.62 5.55 1.3855 -2 -3 5 67.71 1.84 1.3837 -4 -1 2 68.08 1.94 1.3771 4 1 1 68.13 2.50 1.3764 2 1 5 68.19 5.81 1.3753 2 -6 3 68.23 3.16 1.3745 0 -3 7 68.24 3.80 1.3744 0 3 4 68.31 4.91 1.3732 0 -1 7 68.37 2.01 1.3721 -1 5 1 68.48 3.02 1.3701 -2 0 6 68.94 7.67 1.3621 -2 -4 2 69.06 1.21 1.3600 -2 4 3 69.22 2.56 1.3574 2 0 6 69.29 1.62 1.3561 3 -6 3 69.51 1.41 1.3524 -2 -2 6 69.67 2.09 1.3497 2 -4 7 69.77 2.92 1.3479 5 -4 2 69.95 1.08 1.3449 3 1 4 70.12 3.75 1.3421 2 2 4 70.74 1.48 1.3317 3 -1 6 71.09 1.87 1.3260 -1 -2 7 71.38 1.16 1.3214 -1 -5 3 71.46 1.79 1.3202 1 2 5 71.58 2.37 1.3182 2 -6 1 71.69 1.00 1.3165 1 1 6 72.52 3.34 1.3035 5 -1 2 72.78 2.48 1.2995 0 4 3 72.91 3.80 1.2974 0 0 7 72.96 2.47 1.2967 -5 4 0 73.18 1.19 1.2933 5 -3 4 73.47 1.37 1.2890 4 -1 5 73.55 1.37 1.2877 5 -4 4 73.57 1.51 1.2874 3 -4 7 73.96 1.29 1.2815 -2 5 2 74.18 2.21 1.2784 1 -6 1 74.49 1.25 1.2737 2 -5 7 74.54 1.25 1.2730 -2 -3 6 74.90 3.42 1.2679 5 -5 2 74.91 1.73 1.2677 -5 2 2 74.98 1.09 1.2666 4 -6 4 74.99 2.54 1.2665 -4 2 4 75.48 1.68 1.2595 -3 -3 4 75.91 5.09 1.2535 -4 -2 2 76.12 1.09 1.2505 4 -5 6 76.17 2.54 1.2498 4 -2 6 76.18 1.07 1.2497 2 -6 6 76.66 1.03 1.2430 5 0 1 76.80 1.75 1.2411 -3 6 0 76.90 1.15 1.2397 2 4 1 76.99 1.34 1.2386 4 1 3 77.08 3.28 1.2373 -5 4 1 77.65 1.65 1.2296 4 -6 5 78.00 2.19 1.2250 0 2 6 78.47 1.37 1.2188 -2 4 4 78.57 1.79 1.2175 1 -6 6 79.60 1.41 1.2044 2 2 5 80.26 1.67 1.1962 0 -6 1 82.09 1.61 1.1740 0 -4 8 82.09 1.03 1.1740 0 4 4 82.37 1.16 1.1707 -2 -4 6 82.94 1.35 1.1641 3 -4 8 82.96 1.89 1.1639 4 -5 7 84.12 2.01 1.1508 -4 2 5 84.31 1.42 1.1487 -2 1 7 87.17 1.92 1.1182 -1 -6 2 87.79 1.14 1.1119 3 3 3 88.03 1.44 1.1094 -2 -5 5 88.24 1.47 1.1074 -4 -3 3 88.44 1.24 1.1054 0 -5 8 89.07 1.02 1.0992 -2 6 2 89.33 1.56 1.0966 -4 0 6 89.38 1.27 1.0962 -2 -1 8 89.64 1.84 1.0936 -2 -2 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.