Serandite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050261 Takeuchi Y, Kudoh Y, Yamanaka T American Mineralogist 61 (1976) 229-237 Crystal chemistry of the serandite-pectolite series and related minerals CELL PARAMETERS: 7.683000 6.889000 6.747000 90.53000 94.12000 102.7500 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 11.84 22.34 7.5005 1 0 0 13.18 23.77 6.7342 0 0 1 17.06 4.36 5.2079 -1 0 1 18.38 5.39 4.8347 1 0 1 19.62 2.22 4.5309 1 1 0 20.14 2.66 4.4159 -1 1 1 22.99 5.36 3.8724 -1 -1 1 23.75 15.42 3.7503 2 0 0 24.50 2.80 3.6376 -2 1 0 26.35 2.46 3.3857 -2 0 1 26.50 9.36 3.3671 0 0 2 26.54 2.56 3.3622 0 2 0 26.56 3.12 3.3596 -1 2 0 27.19 6.36 3.2821 -2 1 1 28.11 29.75 3.1772 2 0 1 28.25 48.31 3.1612 -1 0 2 28.59 1.13 3.1247 2 -1 1 29.39 18.68 3.0417 0 -1 2 29.77 4.21 3.0034 2 1 0 29.84 1.18 2.9965 1 -2 1 29.91 60.17 2.9895 1 0 2 30.00 16.49 2.9807 0 1 2 30.03 1.28 2.9781 0 2 1 30.41 13.84 2.9412 -1 1 2 31.39 5.45 2.8519 1 -1 2 31.51 100.00 2.8412 1 2 0 31.56 95.55 2.8366 -2 2 0 31.77 2.41 2.8185 -2 -1 1 32.14 1.09 2.7868 -1 -1 2 33.64 11.34 2.6656 -1 -2 1 33.87 11.09 2.6476 -2 2 1 34.46 25.00 2.6040 -2 0 2 35.43 7.01 2.5349 -3 1 0 35.94 29.13 2.5002 3 0 0 37.21 3.17 2.4173 2 0 2 37.33 3.46 2.4099 0 -2 2 37.68 2.85 2.3880 -1 2 2 38.00 17.99 2.3686 1 -2 2 38.32 16.94 2.3496 0 2 2 39.80 11.39 2.2654 2 2 0 39.87 13.36 2.2616 -3 2 0 40.18 4.08 2.2447 0 0 3 40.53 2.07 2.2266 -1 -2 2 40.88 1.71 2.2079 -2 2 2 41.11 28.29 2.1960 -1 0 3 41.24 5.14 2.1897 3 1 0 41.71 2.11 2.1661 2 1 2 42.12 1.24 2.1456 0 -1 3 42.47 1.74 2.1290 -3 -1 1 42.85 2.40 2.1108 0 3 1 42.83 16.53 2.1119 3 -2 1 42.91 16.07 2.1080 2 2 1 43.45 5.18 2.0831 -3 0 2 44.56 1.92 2.0335 2 -3 1 45.53 4.19 1.9928 -2 0 3 46.24 1.52 1.9637 3 -1 2 46.93 4.45 1.9362 -2 -2 2 46.85 2.35 1.9392 3 0 2 47.28 3.30 1.9229 -3 2 2 47.35 2.28 1.9201 -4 1 0 47.95 1.54 1.8974 1 -3 2 48.17 1.70 1.8891 0 -2 3 48.20 1.41 1.8880 0 -3 2 48.60 1.83 1.8735 -1 2 3 48.56 2.76 1.8751 4 0 0 48.90 1.21 1.8627 -2 -1 3 48.99 2.27 1.8595 1 -2 3 49.39 2.70 1.8455 0 2 3 49.42 3.56 1.8444 0 3 2 49.48 2.22 1.8423 -4 0 1 49.69 5.10 1.8350 3 -2 2 49.90 5.27 1.8277 2 2 2 49.98 3.88 1.8248 -2 3 2 50.55 1.50 1.8055 -1 -2 3 50.89 3.87 1.7945 2 -3 2 50.99 2.49 1.7911 -2 2 3 51.04 1.54 1.7894 -3 -2 1 51.26 1.21 1.7824 -4 2 1 51.43 1.72 1.7769 3 1 2 51.61 5.76 1.7709 -1 -3 2 51.56 3.34 1.7725 4 0 1 52.89 4.24 1.7309 2 -2 3 52.96 3.88 1.7290 3 2 1 52.91 4.08 1.7305 4 -2 1 53.11 29.99 1.7243 -1 4 0 53.25 3.48 1.7203 1 2 3 53.58 1.62 1.7105 4 1 0 53.77 1.05 1.7047 1 3 2 54.50 15.85 1.6836 0 0 4 54.84 2.58 1.6739 1 -4 1 54.84 3.16 1.6741 -3 3 2 55.09 2.47 1.6669 -1 4 1 55.71 14.54 1.6499 -3 -2 2 55.83 5.93 1.6465 -2 -2 3 56.04 14.64 1.6411 -4 2 2 56.26 5.35 1.6350 -3 2 3 56.57 1.22 1.6268 2 -4 1 56.94 3.42 1.6171 1 0 4 56.81 1.10 1.6204 4 -1 2 57.15 4.53 1.6116 3 0 3 58.38 3.37 1.5806 -2 0 4 59.13 7.08 1.5623 4 -2 2 59.29 7.16 1.5584 3 2 2 60.97 7.37 1.5195 0 -4 2 61.48 5.74 1.5081 -2 4 2 61.77 4.30 1.5017 4 2 0 61.92 3.26 1.4983 2 -4 2 61.84 1.06 1.5001 5 0 0 61.86 4.94 1.4997 -5 2 0 62.07 3.99 1.4951 -4 0 3 62.29 1.10 1.4904 0 2 4 62.35 3.53 1.4891 0 4 2 62.38 2.02 1.4884 -4 -2 1 62.40 1.62 1.4880 -5 0 1 62.73 2.95 1.4810 -1 -2 4 62.59 1.67 1.4839 -5 2 1 63.22 2.56 1.4706 -2 2 4 63.53 4.87 1.4641 -3 -2 3 63.95 4.99 1.4556 -4 2 3 64.35 1.96 1.4474 -3 0 4 64.57 3.38 1.4430 -1 -4 2 64.65 10.39 1.4416 5 0 1 65.11 3.46 1.4324 -3 4 2 65.44 13.34 1.4260 2 -2 4 65.72 2.73 1.4206 2 4 0 65.86 12.93 1.4178 1 2 4 65.84 2.44 1.4183 -4 4 0 66.31 1.01 1.4093 -4 -2 2 66.28 2.36 1.4100 -5 0 2 66.42 2.40 1.4072 3 -4 2 66.58 1.22 1.4042 -2 -4 1 66.79 2.21 1.4003 1 4 2 68.91 1.30 1.3622 0 -4 3 69.61 1.62 1.3502 -2 4 3 69.60 4.93 1.3505 3 0 4 70.66 2.23 1.3328 -2 -4 2 70.60 5.19 1.3338 5 0 2 71.21 1.48 1.3238 -4 4 2 71.51 1.82 1.3189 3 -2 4 71.90 1.62 1.3128 2 2 4 72.10 1.22 1.3096 -1 -4 3 73.26 1.02 1.2917 -3 5 1 73.20 4.58 1.2926 -5 0 3 73.98 1.86 1.2809 1 -5 2 74.00 1.00 1.2806 -3 -2 4 74.35 1.00 1.2754 1 5 0 74.49 1.48 1.2733 -4 2 4 74.73 1.48 1.2700 -1 5 2 76.42 3.91 1.2459 -6 0 1 77.18 1.17 1.2355 3 4 1 77.12 1.11 1.2364 5 -4 1 77.59 1.30 1.2301 -4 5 0 78.01 1.47 1.2245 -3 0 5 79.13 5.36 1.2099 1 -4 4 79.23 1.43 1.2087 4 0 4 79.97 4.08 1.1993 -1 4 4 84.99 1.01 1.1408 -5 -2 3 85.40 1.16 1.1363 -6 2 3 86.72 1.65 1.1223 -1 0 6 86.72 1.01 1.1224 0 0 6 86.88 2.38 1.1207 0 6 0 86.95 1.30 1.1201 -3 -2 5 86.96 2.26 1.1199 -3 6 0 87.53 1.14 1.1141 -4 2 5 88.35 2.35 1.1058 4 4 1 88.32 2.55 1.1061 6 -4 1 88.73 1.03 1.1020 2 5 2 89.15 1.99 1.0980 -2 0 6 89.52 1.44 1.0944 -4 -4 2 89.52 1.44 1.0944 -4 -4 2 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.