Elpidite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern R060064 Cannillo E, Rossi G, Ungaretti L American Mineralogist 58 (1973) 106-109 The crystal structure of elpidite CELL PARAMETERS: 7.140000 14.68000 14.65000 90.00000 90.00000 90.00000 SPACE GROUP: Pbcm X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 12.10 9.65 7.3458 0 2 0 12.17 11.43 7.3069 0 0 2 12.48 93.61 7.1224 1 0 0 13.54 58.61 6.5633 0 2 1 13.87 3.64 6.4089 1 1 0 17.17 68.90 5.1805 0 2 2 17.39 5.06 5.1134 1 2 0 17.44 6.29 5.1003 1 0 2 18.43 23.26 4.8265 1 2 1 18.46 1.90 4.8182 1 1 2 21.25 41.26 4.1895 1 2 2 21.94 1.75 4.0597 0 2 3 22.91 4.34 3.8898 1 3 1 24.41 12.79 3.6534 0 0 4 25.05 4.30 3.5612 2 0 0 27.21 23.06 3.2816 0 4 2 27.30 100.00 3.2712 0 2 4 27.36 43.86 3.2644 1 4 0 27.48 5.19 3.2507 1 0 4 27.88 8.80 3.2045 2 2 0 27.91 20.92 3.2012 2 0 2 28.05 15.85 3.1859 1 4 1 28.15 1.14 3.1740 1 1 4 28.56 97.62 3.1301 2 2 1 30.02 7.43 2.9805 1 4 2 30.10 26.35 2.9727 1 2 4 30.50 21.16 2.9347 2 2 2 30.52 3.26 2.9327 0 4 3 31.09 1.18 2.8802 2 3 0 33.02 13.33 2.7157 0 2 5 33.51 21.47 2.6771 2 2 3 33.59 1.33 2.6705 1 5 1 34.66 22.45 2.5902 0 4 4 35.13 12.67 2.5567 2 4 0 35.23 17.95 2.5501 2 0 4 35.41 12.24 2.5375 1 2 5 35.68 1.84 2.5185 2 4 1 36.73 4.97 2.4486 0 6 0 37.36 19.54 2.4091 2 2 4 37.26 8.13 2.4149 0 6 1 37.96 1.78 2.3724 1 5 3 38.44 1.42 2.3437 3 1 0 38.82 2.09 2.3217 0 6 2 39.43 1.36 2.2870 0 4 5 39.94 2.16 2.2591 3 2 0 40.43 3.63 2.2325 3 2 1 41.29 6.88 2.1878 0 6 3 41.50 2.37 2.1775 1 4 5 41.88 3.54 2.1583 3 2 2 43.21 14.83 2.0947 2 4 4 44.57 3.80 2.0340 0 6 4 44.67 3.72 2.0299 0 4 6 44.95 13.74 2.0177 2 6 0 45.12 2.14 2.0104 2 0 6 45.59 2.19 1.9907 3 0 4 46.45 17.00 1.9558 1 6 4 46.54 4.31 1.9521 1 4 6 46.73 7.41 1.9449 2 6 2 46.88 8.47 1.9391 2 2 6 47.26 6.18 1.9244 2 4 5 47.28 1.87 1.9235 3 4 2 47.33 3.37 1.9214 3 2 4 48.52 4.94 1.8770 0 6 5 49.66 4.86 1.8364 0 8 0 49.94 11.14 1.8267 0 0 8 51.33 16.22 1.7806 4 0 0 51.31 2.13 1.7811 0 8 2 51.68 3.76 1.7695 1 0 8 51.78 5.66 1.7662 2 6 4 51.86 21.21 1.7635 2 4 6 52.32 2.46 1.7492 2 2 7 52.29 9.24 1.7502 3 4 4 52.94 2.55 1.7300 4 0 2 53.05 8.62 1.7268 0 6 6 53.01 1.29 1.7279 1 8 2 53.33 1.44 1.7185 4 2 1 53.33 1.10 1.7184 0 8 3 53.80 3.80 1.7045 3 6 0 53.95 5.55 1.7001 3 0 6 54.19 4.53 1.6930 3 6 1 54.51 8.71 1.6839 4 2 2 54.71 1.83 1.6782 1 6 6 55.36 1.09 1.6599 3 6 2 55.83 3.09 1.6471 3 4 5 56.26 2.21 1.6356 0 4 8 56.64 1.23 1.6254 2 0 8 57.28 2.52 1.6088 3 6 3 57.66 5.35 1.5989 1 8 4 57.85 4.49 1.5941 1 4 8 57.90 12.79 1.5929 2 8 2 58.14 6.11 1.5870 2 2 8 58.20 2.24 1.5855 0 2 9 59.03 4.55 1.5651 4 4 2 59.08 6.58 1.5639 4 2 4 59.45 2.92 1.5550 0 8 5 59.76 2.15 1.5476 1 2 9 60.38 1.02 1.5332 3 2 7 62.37 1.24 1.4891 4 2 5 62.31 8.10 1.4902 2 8 4 62.49 8.88 1.4863 2 4 8 63.15 1.27 1.4724 3 6 5 63.39 8.01 1.4673 4 4 4 63.44 2.27 1.4663 0 8 6 63.55 2.68 1.4642 0 6 8 64.05 1.81 1.4538 1 4 9 64.35 1.90 1.4478 3 0 8 64.47 1.04 1.4455 3 8 1 64.74 3.55 1.4401 4 6 0 64.87 1.72 1.4374 4 0 6 64.80 4.38 1.4389 1 10 0 65.08 2.38 1.4333 0 2 10 65.04 1.80 1.4342 1 6 8 65.09 1.42 1.4331 4 6 1 65.52 2.47 1.4247 3 8 2 65.74 1.99 1.4204 3 2 8 66.14 1.12 1.4129 4 6 2 66.25 1.04 1.4107 4 2 6 66.55 2.18 1.4051 1 2 10 67.02 1.08 1.3965 3 6 6 67.26 1.02 1.3921 5 2 1 67.26 1.07 1.3920 3 8 3 68.29 1.75 1.3735 5 2 2 68.45 2.32 1.3707 2 4 9 68.88 3.56 1.3631 0 10 4 69.19 3.57 1.3578 0 4 10 69.17 6.48 1.3581 2 10 0 69.40 3.08 1.3542 2 6 8 69.53 1.86 1.3520 2 0 10 69.45 6.11 1.3532 0 6 9 69.51 1.68 1.3523 2 10 1 70.33 2.17 1.3386 4 4 6 70.53 1.73 1.3353 2 10 2 70.87 3.19 1.3296 2 2 10 70.96 3.48 1.3281 5 4 0 71.30 1.08 1.3226 5 4 1 72.31 1.07 1.3067 5 4 2 72.35 1.94 1.3060 5 2 4 73.05 2.14 1.2951 0 8 8 73.27 3.64 1.2918 4 6 5 74.17 1.97 1.2784 4 8 0 74.39 2.33 1.2751 4 0 8 75.33 3.35 1.2615 5 2 5 75.50 1.14 1.2591 3 4 9 75.49 1.17 1.2592 4 8 2 76.20 2.13 1.2493 3 10 0 76.42 2.01 1.2462 3 6 8 76.90 3.18 1.2396 4 6 6 76.96 1.02 1.2388 1 10 6 77.50 1.53 1.2314 3 10 2 77.82 1.93 1.2272 2 2 11 77.83 1.87 1.2270 3 2 10 78.54 1.01 1.2178 0 0 12 78.37 1.42 1.2200 0 12 1 79.82 2.48 1.2014 0 2 12 81.18 1.51 1.1847 1 2 12 81.23 1.26 1.1841 4 2 9 81.05 2.53 1.1862 2 10 6 81.27 1.69 1.1835 2 6 10 82.27 1.03 1.1717 6 0 2 82.31 1.39 1.1712 4 8 5 82.69 2.73 1.1668 5 6 4 82.76 2.53 1.1660 5 4 6 83.21 1.67 1.1609 0 12 4 83.54 1.70 1.1571 6 2 2 84.55 1.55 1.1457 1 12 4 85.83 1.02 1.1319 4 8 6 85.92 2.56 1.1309 4 6 8 86.06 1.00 1.1295 6 4 0 85.98 1.73 1.1303 1 10 8 86.10 1.40 1.1290 1 8 10 87.31 2.85 1.1165 4 2 10 87.37 2.13 1.1159 6 2 4 88.58 1.61 1.1037 2 12 4 90.00 2.65 1.0899 2 10 8 90.00 2.65 1.0899 2 10 8 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.