Piemontite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R060905 Dollase W A American Mineralogist 54 (1969) 710-717 Crystal structure and cation ordering of piemontite CELL PARAMETERS: 8.878000 5.692000 10.20100 90.00000 115.4000 90.00000 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 9.56 1.04 9.2698 0 0 1 11.00 2.88 8.0580 1 0 0 11.11 8.03 7.9744 -1 0 1 17.60 26.21 5.0427 -1 0 2 19.09 3.47 4.6532 1 1 0 19.15 2.56 4.6369 -1 1 1 22.07 12.97 4.0290 2 0 0 22.31 19.48 3.9872 -2 0 2 23.40 4.34 3.8032 1 1 1 23.56 1.31 3.7767 -1 1 2 25.42 34.61 3.5050 -2 1 1 25.92 9.24 3.4385 1 0 2 27.62 9.32 3.2297 2 0 1 28.90 3.04 3.0899 0 0 3 30.36 1.73 2.9442 1 1 2 30.49 1.23 2.9322 -3 0 1 30.62 13.51 2.9200 -3 0 2 30.58 100.00 2.9237 -1 1 3 31.39 38.93 2.8498 0 2 0 31.85 7.14 2.8099 2 1 1 32.18 2.30 2.7816 -2 1 3 32.97 29.82 2.7164 0 1 3 33.35 22.74 2.6867 1 2 0 33.36 15.82 2.6860 3 0 0 34.39 44.57 2.6074 -3 1 1 34.51 2.00 2.5988 -3 1 2 35.15 18.80 2.5532 2 0 2 35.49 2.95 2.5290 -1 0 4 36.20 8.69 2.4810 -1 2 2 37.03 22.32 2.4276 0 2 2 37.32 27.31 2.4090 -3 1 3 37.48 2.95 2.3990 -2 2 1 38.84 10.31 2.3185 -2 2 2 38.64 1.50 2.3301 2 1 2 38.71 5.21 2.3258 1 1 3 38.96 2.66 2.3117 -1 1 4 39.06 4.68 2.3058 -2 1 4 39.16 2.39 2.2999 -3 0 4 41.30 7.31 2.1856 -1 2 3 41.66 16.63 2.1678 -4 0 1 41.92 2.12 2.1547 -4 0 3 42.08 1.61 2.1468 0 1 4 42.29 17.64 2.1369 2 2 1 42.55 17.58 2.1243 -2 2 3 43.18 15.41 2.0948 0 2 3 43.80 6.50 2.0663 2 0 3 44.31 1.76 2.0436 -3 2 1 44.99 5.04 2.0145 4 0 0 45.31 1.01 2.0009 -1 0 5 46.27 1.04 1.9617 -3 0 5 46.75 3.71 1.9426 2 1 3 47.82 10.39 1.9016 2 2 2 48.09 5.36 1.8916 -1 2 4 48.18 12.52 1.8884 -2 2 4 47.92 3.45 1.8978 1 1 4 48.19 2.87 1.8879 -1 1 5 48.48 3.48 1.8771 3 1 2 49.26 1.76 1.8491 1 3 0 50.58 1.24 1.8039 3 2 1 50.76 2.14 1.7980 0 2 4 51.56 5.11 1.7721 -5 0 2 51.84 1.72 1.7630 0 1 5 52.18 2.62 1.7525 -4 2 2 52.35 4.31 1.7470 -2 3 1 53.56 5.53 1.7103 -4 1 5 53.81 3.18 1.7030 -2 0 6 54.18 1.86 1.6922 -5 1 2 54.32 1.46 1.6883 -5 1 3 54.58 3.22 1.6809 -3 0 6 55.35 11.20 1.6592 -1 3 3 55.32 1.30 1.6600 1 0 5 55.62 10.93 1.6519 -1 0 6 55.87 2.96 1.6450 4 2 0 55.98 10.95 1.6420 -5 1 1 55.91 5.79 1.6440 1 2 4 55.83 2.33 1.6460 2 1 4 56.30 16.32 1.6336 -4 2 4 56.15 1.15 1.6375 2 3 1 56.38 1.14 1.6314 -5 1 4 56.36 1.55 1.6317 -2 1 6 56.41 5.38 1.6304 3 2 2 56.87 4.80 1.6184 0 3 3 57.84 10.76 1.5934 -4 0 6 57.81 9.80 1.5944 -3 3 1 57.88 1.14 1.5925 -3 3 2 57.83 6.44 1.5938 1 1 5 59.81 4.38 1.5456 -3 3 3 59.59 2.91 1.5508 5 1 0 59.47 6.19 1.5537 4 1 2 61.03 2.17 1.5175 -4 2 5 62.68 1.25 1.4816 -6 0 3 63.27 1.13 1.4693 -5 2 1 63.13 3.38 1.4721 2 2 4 63.06 1.44 1.4735 3 0 4 63.64 9.86 1.4616 -5 2 4 63.71 4.15 1.4600 -6 0 4 63.62 4.75 1.4619 -2 2 6 63.65 1.00 1.4613 3 2 3 64.31 6.63 1.4478 -3 2 6 65.48 21.12 1.4249 0 4 0 65.05 1.07 1.4331 4 0 3 65.77 4.72 1.4193 2 1 5 66.19 1.43 1.4113 -3 1 7 66.35 1.19 1.4082 -2 1 7 66.64 2.29 1.4028 5 2 0 66.52 13.73 1.4050 4 2 2 67.29 1.03 1.3908 -4 2 6 67.80 1.46 1.3816 1 3 4 68.30 1.25 1.3727 -4 1 7 68.17 1.10 1.3749 -6 1 1 69.13 3.20 1.3582 0 2 6 69.32 1.86 1.3549 5 0 2 71.77 1.29 1.3146 -6 2 3 72.42 1.26 1.3044 -5 2 6 72.45 1.84 1.3039 -4 3 5 72.46 3.88 1.3037 -6 2 2 72.74 3.57 1.2994 -6 2 4 72.97 1.03 1.2959 -5 3 2 73.36 1.59 1.2899 0 1 7 73.24 1.52 1.2918 3 0 5 73.99 1.64 1.2806 -3 4 2 74.13 2.59 1.2784 -3 0 8 74.00 3.63 1.2803 4 2 3 74.50 5.24 1.2729 -5 3 1 74.25 1.46 1.2766 4 0 4 74.80 1.23 1.2686 -6 2 1 74.44 1.16 1.2738 2 0 6 75.35 3.86 1.2608 -6 2 5 75.08 1.02 1.2645 -2 0 8 75.49 2.31 1.2587 3 4 0 76.11 2.80 1.2500 1 3 5 76.53 4.02 1.2442 2 4 2 77.65 1.30 1.2290 5 3 0 77.54 2.25 1.2304 4 3 2 78.92 2.84 1.2124 -6 1 7 79.01 1.04 1.2113 -3 4 4 79.82 1.51 1.2009 0 2 7 80.65 2.20 1.1907 -4 4 1 83.21 2.28 1.1603 2 3 5 84.14 1.55 1.1499 -6 0 8 85.46 1.51 1.1355 0 1 8 86.13 1.82 1.1284 7 1 0 86.64 1.56 1.1231 -1 2 8 87.21 2.13 1.1171 -7 1 7 87.15 1.74 1.1177 -5 2 8 87.15 1.74 1.1177 -5 2 8 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.