Hopeite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050254 Hill R J, Jones J B American Mineralogist 61 (1976) 987-995 The crystal structure of hopeite CELL PARAMETERS: 10.59700 18.31800 5.031000 90.00000 90.00000 90.00000 SPACE GROUP: Pnma X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 9.67 50.84 9.1533 0 2 0 16.74 18.68 5.2937 2 0 0 17.43 15.97 5.0854 2 1 0 18.28 22.26 4.8519 0 1 1 19.36 9.51 4.5825 2 2 0 19.39 50.74 4.5767 0 4 0 19.53 1.33 4.5447 1 0 1 20.13 38.46 4.4108 1 1 1 21.83 5.41 4.0706 1 2 1 22.22 17.58 3.9987 2 3 0 22.90 10.86 3.8822 0 3 1 24.40 4.35 3.6471 2 0 1 24.41 7.17 3.6449 1 3 1 25.72 27.66 3.4622 2 4 0 26.29 40.53 3.3881 2 2 1 28.50 8.30 3.1306 2 3 1 29.65 4.12 3.0113 2 5 0 30.17 7.51 2.9605 0 5 1 31.33 4.51 2.8540 3 1 1 31.35 100.00 2.8522 2 4 1 31.36 2.96 2.8512 1 5 1 32.48 3.04 2.7553 3 2 1 33.85 16.81 2.6469 4 0 0 33.89 2.35 2.6435 2 6 0 34.32 24.59 2.6114 3 3 1 34.70 3.48 2.5839 2 5 1 35.28 13.33 2.5427 4 2 0 35.42 6.21 2.5332 1 6 1 35.67 15.72 2.5159 0 0 2 37.04 10.83 2.4259 0 2 2 38.37 2.05 2.3447 2 7 0 38.45 5.71 2.3402 2 6 1 38.78 1.65 2.3205 0 7 1 39.35 6.19 2.2883 0 8 0 39.65 3.74 2.2718 1 3 2 39.69 7.56 2.2694 4 2 1 39.72 1.29 2.2682 3 5 1 39.74 5.23 2.2667 1 7 1 39.96 1.42 2.2550 2 1 2 40.90 3.99 2.2054 2 2 2 40.91 1.53 2.2047 0 4 2 41.26 2.01 2.1869 4 3 1 41.83 8.03 2.1584 1 4 2 42.10 1.59 2.1450 4 5 0 43.04 3.37 2.1005 2 8 0 43.09 9.93 2.0979 3 6 1 44.47 1.96 2.0359 3 1 2 45.33 8.65 1.9994 4 6 0 45.34 10.43 1.9992 3 2 2 45.96 1.43 1.9732 4 5 1 46.78 1.90 1.9407 5 1 1 46.77 6.08 1.9411 0 6 2 46.83 2.28 1.9389 3 7 1 46.84 23.46 1.9384 2 8 1 47.61 1.05 1.9088 5 2 1 48.97 1.32 1.8590 5 3 1 49.98 13.74 1.8236 4 0 2 50.02 5.17 1.8224 2 6 2 51.40 2.68 1.7765 2 9 1 52.80 3.47 1.7327 6 2 0 52.85 1.09 1.7311 4 8 0 52.88 1.22 1.7301 2 10 0 53.14 2.48 1.7223 5 5 1 53.87 2.84 1.7008 3 6 2 54.06 1.53 1.6951 6 3 0 54.10 6.67 1.6940 4 4 2 54.14 1.27 1.6928 0 8 2 54.89 6.75 1.6716 1 8 2 55.12 1.61 1.6652 6 0 1 55.19 3.10 1.6633 3 9 1 55.43 1.46 1.6566 1 0 3 56.10 1.82 1.6383 6 2 1 56.15 2.14 1.6369 4 8 1 56.18 2.10 1.6361 2 10 1 56.41 1.85 1.6301 1 2 3 56.90 3.38 1.6173 0 3 3 57.75 5.72 1.5953 5 2 2 57.85 1.30 1.5929 2 1 3 58.99 11.20 1.5648 6 4 1 59.01 1.54 1.5642 5 7 1 59.07 1.68 1.5628 1 11 1 60.58 8.46 1.5275 6 6 0 60.66 8.27 1.5256 0 12 0 60.69 1.25 1.5249 0 5 3 61.13 1.82 1.5149 3 0 3 61.38 7.57 1.5095 2 4 3 61.55 4.86 1.5056 4 10 0 62.06 1.28 1.4946 3 2 3 62.72 3.47 1.4803 0 10 2 63.44 1.17 1.4653 2 5 3 63.62 1.66 1.4617 6 6 1 63.90 1.97 1.4559 1 6 3 64.56 3.39 1.4424 4 10 1 64.78 1.51 1.4382 3 4 3 65.15 2.10 1.4309 5 6 2 65.39 5.02 1.4261 4 8 2 65.88 1.15 1.4168 4 0 3 65.91 2.98 1.4162 2 6 3 66.10 1.78 1.4125 4 1 3 66.38 1.78 1.4074 2 12 1 68.00 2.11 1.3777 6 4 2 68.72 1.64 1.3651 3 10 2 69.19 4.33 1.3569 3 6 3 69.80 3.89 1.3464 6 8 1 70.62 1.14 1.3329 6 9 0 71.20 1.28 1.3234 8 0 0 71.30 2.04 1.3217 4 12 0 72.00 2.68 1.3107 2 8 3 72.32 1.42 1.3057 6 6 2 72.39 1.73 1.3045 0 12 2 73.03 1.07 1.2947 1 12 2 73.07 1.47 1.2941 0 9 3 74.01 1.13 1.2799 8 0 1 74.85 3.04 1.2676 8 2 1 76.99 4.01 1.2377 1 2 4 77.49 3.62 1.2309 2 14 1 78.84 1.72 1.2132 5 10 2 80.50 1.58 1.1923 6 3 3 81.10 1.08 1.1849 3 0 4 82.35 3.81 1.1701 4 12 2 86.02 1.16 1.1294 6 6 3 87.20 1.03 1.1171 8 8 1 89.76 3.17 1.0917 2 16 1 89.76 3.17 1.0917 2 16 1 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.