Kidwellite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern R060324. Kolitsch U Mineralogical Magazine 68 (2004) 147-165 The crystal structures of kidwellite and 'laubmannite', two complex fibrous iron phosphates Locality: Clara mine, Black Forest, Germany CELL PARAMETERS: 20.03648 5.180888 14.06779 90.00000 106.9594 90.00000 SPACE GROUP: P2/c X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 4.72 9.23 19.1651 1 0 0 9.33 100.00 9.5826 2 0 0 12.71 15.39 7.0204 -1 0 2 13.80 37.36 6.4640 -2 0 2 15.27 1.42 5.8382 1 0 2 16.20 10.24 5.5030 -3 0 2 17.21 88.48 5.1809 0 1 0 18.28 9.59 4.8777 2 0 2 18.44 5.50 4.8349 0 1 1 18.54 6.52 4.8091 -1 1 1 19.45 8.66 4.5857 -4 0 2 19.49 5.95 4.5757 1 1 1 19.57 2.72 4.5574 2 1 0 21.41 5.82 4.1686 -1 1 2 21.53 13.50 4.1454 2 1 1 21.74 57.16 4.1049 0 1 2 21.95 2.81 4.0657 -3 1 1 21.89 34.44 4.0768 3 0 2 22.08 8.41 4.0426 -2 1 2 22.18 4.87 4.0239 3 1 0 23.04 9.76 3.8751 1 1 2 23.20 32.48 3.8480 -5 0 2 23.29 10.08 3.8330 5 0 0 23.67 2.56 3.7722 -3 1 2 24.31 22.19 3.6744 3 1 1 24.84 3.24 3.5970 -4 1 1 25.16 1.69 3.5514 2 1 2 25.41 1.83 3.5176 4 1 0 25.46 12.71 3.5102 -2 0 4 25.60 10.38 3.4913 -1 0 4 25.74 57.03 3.4732 -1 1 3 25.87 51.92 3.4555 4 0 2 26.03 2.31 3.4338 -4 1 2 25.95 19.96 3.4446 -2 1 3 26.37 13.43 3.3911 0 1 3 26.58 4.95 3.3640 0 0 4 27.00 6.75 3.3131 -3 1 3 27.63 6.56 3.2378 4 1 1 27.68 41.07 3.2320 -4 0 4 27.79 83.83 3.2196 1 1 3 28.02 8.88 3.1942 6 0 0 28.24 2.50 3.1697 -5 1 1 28.32 1.56 3.1601 1 0 4 28.79 39.90 3.1102 -4 1 3 28.99 8.08 3.0892 -5 1 2 29.06 19.66 3.0814 5 1 0 29.91 12.84 2.9958 2 1 3 30.09 13.39 2.9778 5 0 2 30.85 12.51 2.9060 -2 1 4 30.97 9.89 2.8953 -1 1 4 31.20 20.76 2.8737 -5 1 3 31.19 7.16 2.8747 4 1 2 31.34 22.53 2.8612 5 1 1 31.56 9.69 2.8418 -7 0 2 31.45 4.65 2.8516 -3 1 4 32.00 41.79 2.8037 -6 1 1 31.80 4.38 2.8214 0 1 4 32.74 4.55 2.7422 -4 1 4 33.29 10.46 2.6978 1 1 4 33.61 5.81 2.6725 3 0 4 34.13 1.37 2.6329 -6 1 3 34.49 8.79 2.6060 6 0 2 34.64 1.64 2.5955 -5 1 4 34.71 14.99 2.5904 0 2 0 34.83 1.20 2.5817 5 1 2 35.34 5.45 2.5452 6 1 1 35.36 1.29 2.5437 0 2 1 35.37 3.37 2.5432 2 1 4 35.82 7.73 2.5124 -7 0 4 36.02 6.96 2.4989 -8 0 2 36.04 5.04 2.4973 -7 1 1 35.99 7.29 2.5007 2 2 0 36.12 4.72 2.4916 -7 1 2 36.41 1.69 2.4724 -2 1 5 36.68 3.10 2.4552 -3 1 5 36.77 14.80 2.4490 -1 1 5 37.07 5.03 2.4303 -1 2 2 37.22 3.33 2.4207 7 1 0 37.27 14.10 2.4174 0 2 2 37.40 1.48 2.4094 -3 2 1 37.47 15.61 2.4052 -7 1 3 37.48 1.11 2.4045 -2 2 2 37.62 1.15 2.3956 8 0 0 37.54 1.78 2.4006 3 2 0 37.55 1.10 2.3998 -4 1 5 38.08 2.57 2.3678 1 2 2 38.48 4.29 2.3438 -3 2 2 38.75 1.67 2.3281 6 1 2 39.04 3.87 2.3115 7 0 2 39.00 1.13 2.3135 -5 1 5 39.23 5.68 2.3005 5 1 3 39.14 2.59 2.3058 -4 0 6 39.13 1.07 2.3065 -1 0 6 39.56 2.72 2.2821 7 1 1 39.95 7.19 2.2606 -7 1 4 40.13 1.32 2.2508 -8 1 2 40.05 2.94 2.2555 -4 2 2 40.27 1.44 2.2432 0 2 3 40.61 1.88 2.2255 -9 0 2 40.31 3.78 2.2416 -5 0 6 41.13 2.91 2.1984 -8 1 3 40.98 6.76 2.2061 -6 1 5 40.97 5.76 2.2066 4 1 4 41.60 2.47 2.1744 8 1 0 41.33 1.53 2.1882 2 1 5 41.98 1.56 2.1559 -4 2 3 42.12 1.09 2.1489 -5 2 2 42.17 6.53 2.1463 5 2 0 42.00 2.18 2.1547 -6 0 6 42.52 1.46 2.1295 9 0 0 42.45 4.52 2.1327 -3 1 6 42.45 2.73 2.1329 -2 1 6 43.00 4.04 2.1066 -4 1 6 43.42 7.12 2.0872 -7 1 5 43.49 12.56 2.0843 -2 2 4 43.57 4.46 2.0803 -1 2 4 43.72 1.02 2.0738 8 0 2 43.74 4.38 2.0727 4 2 2 43.97 22.56 2.0623 8 1 1 43.94 3.87 2.0640 -3 2 4 43.84 2.10 2.0683 3 1 5 44.18 3.56 2.0532 -7 0 6 44.19 5.71 2.0524 0 2 4 44.64 7.60 2.0329 -6 2 2 45.07 2.93 2.0145 -9 1 3 44.91 5.66 2.0213 -4 2 4 45.13 8.98 2.0120 6 2 0 45.33 8.93 2.0034 1 2 4 46.15 1.42 1.9696 9 1 0 46.38 9.42 1.9604 -5 2 4 46.53 8.41 1.9544 5 2 2 46.78 2.70 1.9445 -8 0 6 46.75 5.05 1.9458 4 1 5 46.96 6.84 1.9375 2 2 4 47.31 1.96 1.9240 -10 0 4 47.28 2.68 1.9253 8 1 2 47.50 1.26 1.9165 10 0 0 47.56 18.51 1.9144 -7 2 2 47.71 3.10 1.9088 -7 1 6 47.68 2.84 1.9100 2 1 6 48.79 1.23 1.8687 -10 1 2 48.68 4.73 1.8728 7 0 4 48.66 3.61 1.8736 -3 1 7 49.34 1.78 1.8493 -10 1 1 48.86 2.21 1.8663 -2 1 7 49.69 1.37 1.8372 6 2 2 49.73 2.52 1.8357 -5 1 7 50.01 7.90 1.8259 5 1 5 50.17 1.08 1.8205 -8 1 6 50.86 1.34 1.7975 10 1 0 50.83 3.70 1.7985 -8 2 2 50.71 1.63 1.8022 0 1 7 51.52 1.27 1.7757 4 2 4 51.82 5.49 1.7661 9 1 2 52.59 5.90 1.7423 11 0 0 52.09 6.82 1.7577 -3 0 8 52.33 1.58 1.7503 1 1 7 53.02 1.57 1.7291 -10 1 5 52.77 2.57 1.7365 -3 2 6 53.09 1.05 1.7270 0 3 0 53.16 1.49 1.7247 7 2 2 53.40 1.22 1.7175 -11 1 2 52.97 1.36 1.7305 4 1 6 53.24 1.12 1.7223 -4 2 6 53.23 7.14 1.7226 -1 2 6 53.56 1.09 1.7129 0 3 1 53.59 2.50 1.7120 6 1 5 54.10 2.24 1.6968 -11 1 1 53.73 4.36 1.7077 -6 0 8 54.15 2.98 1.6955 0 2 6 54.37 1.59 1.6892 2 1 7 54.85 1.70 1.6754 2 3 1 54.95 2.80 1.6727 0 3 2 54.62 2.51 1.6820 0 0 8 55.72 1.53 1.6514 11 1 0 55.24 7.47 1.6645 -3 1 8 55.53 6.51 1.6565 -6 2 6 55.51 6.97 1.6572 1 2 6 55.95 2.30 1.6450 9 2 0 56.16 3.00 1.6393 3 3 1 56.72 1.20 1.6245 -11 0 6 56.83 2.62 1.6215 -11 1 5 56.93 11.71 1.6189 8 2 2 56.88 4.87 1.6202 -1 3 3 57.04 1.04 1.6162 -4 3 2 56.99 1.73 1.6173 -2 3 3 57.04 5.01 1.6160 -8 0 8 57.31 27.24 1.6091 -7 2 6 57.28 9.34 1.6098 2 2 6 57.78 1.89 1.5971 12 0 0 57.45 1.10 1.6056 7 1 5 57.64 16.71 1.6006 9 0 4 58.19 2.47 1.5869 -12 1 2 58.22 1.81 1.5860 -12 1 3 57.98 7.45 1.5921 1 3 3 58.53 1.14 1.5783 -4 3 3 58.64 3.93 1.5756 -5 3 2 58.69 2.30 1.5745 5 3 0 58.46 6.84 1.5801 2 0 8 59.14 4.12 1.5635 -12 1 4 59.49 11.95 1.5551 -8 2 6 59.46 3.87 1.5559 3 2 6 59.93 3.70 1.5446 -5 3 3 59.93 2.61 1.5448 4 3 2 60.02 2.44 1.5427 5 3 1 60.27 1.60 1.5369 -13 0 2 60.42 3.32 1.5335 -6 3 1 60.63 9.28 1.5286 -12 0 6 60.60 3.07 1.5293 9 1 4 60.57 1.64 1.5299 7 0 6 60.97 10.11 1.5208 9 2 2 61.11 6.24 1.5177 7 2 4 61.21 1.10 1.5154 1 3 4 61.39 2.12 1.5113 2 1 8 62.04 1.15 1.4970 -9 2 6 62.19 2.26 1.4939 5 3 2 62.00 9.75 1.4979 4 2 6 62.52 1.65 1.4867 6 3 1 62.08 1.56 1.4962 -4 1 9 63.01 1.31 1.4763 -13 1 3 63.11 1.52 1.4742 13 0 0 63.03 2.03 1.4758 -7 3 2 63.50 1.63 1.4661 -12 1 6 63.13 5.12 1.4737 -6 1 9 63.65 1.15 1.4629 -11 2 4 63.46 2.63 1.4668 -1 3 5 63.93 2.53 1.4572 -7 3 3 64.12 4.83 1.4533 -13 1 1 64.06 5.56 1.4545 -3 2 8 64.14 1.62 1.4530 -4 2 8 65.25 3.21 1.4309 -13 1 5 65.26 1.64 1.4306 10 2 2 65.17 2.17 1.4324 1 3 5 65.65 2.34 1.4232 -7 3 4 65.81 2.83 1.4199 -8 1 9 66.37 1.08 1.4094 4 3 4 66.77 3.31 1.4018 -12 2 2 66.30 4.86 1.4107 0 2 8 66.78 2.24 1.4018 -3 0 10 67.66 4.52 1.3856 -12 2 4 68.18 1.47 1.3762 -11 2 6 68.13 1.03 1.3771 6 2 6 68.56 2.45 1.3695 8 3 1 69.94 1.30 1.3458 7 1 7 70.88 5.03 1.3301 -15 0 4 71.00 1.83 1.3283 -15 0 2 70.66 1.44 1.3337 4 3 5 71.41 1.10 1.3216 -7 3 6 71.94 1.23 1.3132 -13 2 4 71.86 1.42 1.3145 9 1 6 72.15 1.41 1.3098 -3 3 7 72.66 4.13 1.3018 -11 1 9 73.09 11.81 1.2952 0 4 0 73.00 1.05 1.2966 -5 3 7 73.23 2.49 1.2932 5 3 5 73.94 2.58 1.2824 14 1 1 73.87 1.21 1.2836 2 4 0 73.99 3.58 1.2816 8 1 7 74.66 1.49 1.2718 -15 1 5 74.72 1.48 1.2710 14 0 2 74.77 2.36 1.2702 -14 1 7 75.59 1.32 1.2584 -13 2 6 75.75 1.22 1.2562 -14 0 8 75.86 1.24 1.2546 13 1 3 75.63 1.10 1.2579 4 3 6 76.83 1.18 1.2411 -5 1 11 77.20 3.08 1.2361 5 1 9 77.84 1.78 1.2276 -5 4 2 77.66 1.05 1.2299 5 2 8 77.92 1.07 1.2265 -7 1 11 78.35 1.02 1.2209 9 1 7 78.79 2.51 1.2150 -12 2 8 79.16 1.39 1.2103 14 2 0 78.97 2.70 1.2128 4 4 2 79.79 1.87 1.2023 -4 4 4 80.97 1.37 1.1877 5 4 2 80.45 1.68 1.1941 0 2 10 81.45 1.14 1.1819 -15 2 2 81.83 1.75 1.1774 -17 0 4 82.19 1.29 1.1731 1 2 10 82.26 1.82 1.1723 -5 0 12 82.97 1.61 1.1640 12 2 4 83.02 1.84 1.1635 -7 0 12 83.61 1.38 1.1567 -10 2 10 84.10 2.42 1.1512 -7 4 4 84.37 1.66 1.1482 -6 3 9 84.30 3.08 1.1490 2 2 10 85.26 1.79 1.1385 -13 3 1 85.57 1.23 1.1352 16 1 1 86.91 2.31 1.1211 -16 2 2 86.25 1.03 1.1279 6 0 10 86.80 1.03 1.1222 -8 3 9 90.33 2.98 1.0872 16 2 0 90.33 2.98 1.0872 16 2 0 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.