Whewellite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050240 Tazzoli V, Domeneghetti M C American Mineralogist 65 (1980) 327-334 The crystal structures of whewellite and weddellite: re-examination and comparison CELL PARAMETERS: 6.290000 14.58300 10.11600 90.00000 109.4600 90.00000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 14.95 100.00 5.9309 1 0 0 15.31 29.53 5.7932 0 2 1 19.14 1.69 4.6408 -1 2 1 19.63 4.55 4.5260 -1 0 2 23.55 10.49 3.7792 1 2 1 24.42 88.48 3.6464 0 4 0 26.18 1.68 3.4044 0 3 2 26.92 1.77 3.3127 -1 3 2 28.74 3.24 3.1063 1 4 0 29.74 9.48 3.0043 -1 2 3 30.14 53.43 2.9654 2 0 0 30.68 10.01 2.9143 0 2 3 30.77 2.59 2.9060 2 1 0 30.87 8.07 2.8966 0 4 2 31.51 13.58 2.8395 -1 4 2 35.59 2.94 2.5225 -1 0 4 36.00 30.06 2.4945 -2 2 3 36.74 3.31 2.4463 2 2 1 37.20 6.48 2.4168 1 4 2 37.72 3.08 2.3844 0 0 4 38.20 31.26 2.3556 0 6 1 38.35 27.23 2.3469 1 2 3 38.80 1.96 2.3204 -2 4 2 39.15 2.92 2.3007 2 4 0 39.83 11.77 2.2630 -2 0 4 40.00 10.61 2.2539 -1 6 1 40.84 6.85 2.2094 2 0 2 42.43 4.08 2.1299 1 6 1 43.30 4.00 2.0893 -3 0 2 43.62 17.22 2.0745 -1 4 4 45.44 1.02 1.9956 0 4 4 45.48 1.69 1.9940 1 0 4 45.89 14.13 1.9770 3 0 0 46.40 4.63 1.9566 -1 6 3 46.57 11.01 1.9495 -1 2 5 46.98 8.40 1.9336 -3 2 3 47.05 5.45 1.9311 0 6 3 47.25 5.82 1.9233 -2 6 1 48.14 11.65 1.8896 2 4 2 48.99 4.08 1.8588 -2 2 5 49.37 8.37 1.8454 0 2 5 50.01 7.13 1.8232 0 8 0 50.14 1.62 1.8190 2 2 3 50.32 7.81 1.8128 -3 4 2 50.92 11.23 1.7928 -2 6 3 51.48 1.34 1.7747 2 6 1 52.65 1.91 1.7380 3 4 0 52.72 10.11 1.7356 1 6 3 53.81 1.89 1.7030 0 8 2 54.22 2.91 1.6911 -1 8 2 54.54 1.08 1.6821 -1 0 6 56.12 2.44 1.6382 -3 2 5 56.81 1.22 1.6200 1 2 5 58.08 3.45 1.5874 1 8 2 58.39 3.20 1.5798 -3 6 1 59.24 1.71 1.5592 -2 8 2 59.41 1.54 1.5551 -1 6 5 59.49 1.13 1.5531 2 8 0 59.76 4.79 1.5469 -3 6 3 60.60 3.59 1.5274 -1 4 6 60.79 1.76 1.5230 -4 2 3 61.73 1.97 1.5021 -2 4 6 62.46 1.65 1.4864 2 6 3 62.63 2.88 1.4827 4 0 0 62.96 2.03 1.4758 2 4 4 63.85 2.14 1.4571 0 4 6 64.52 1.49 1.4438 3 2 3 66.46 3.10 1.4062 2 8 2 67.11 2.59 1.3940 -3 4 6 67.90 1.61 1.3798 2 2 5 68.24 2.04 1.3737 -3 8 2 70.25 2.41 1.3393 0 2 7 71.97 1.23 1.3113 -4 6 3 72.43 2.52 1.3042 -4 6 1 75.42 1.07 1.2597 3 6 3 78.68 1.75 1.2155 0 12 0 80.65 1.15 1.1907 1 12 0 80.94 1.40 1.1872 -5 2 5 81.02 1.25 1.1862 5 0 0 81.27 3.51 1.1831 -1 10 5 82.10 1.67 1.1733 3 2 5 83.08 1.52 1.1619 -2 10 5 83.36 2.23 1.1586 0 10 5 83.83 2.16 1.1534 -3 4 8 85.68 2.30 1.1331 0 4 8 86.49 1.07 1.1247 2 12 0 88.75 1.52 1.1017 -3 10 5 89.02 2.22 1.0990 -5 4 6 89.32 1.16 1.0961 1 10 5 89.32 1.16 1.0961 1 10 5 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.