Brochantite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern Merlino S, Perchiazzi N, Franco D European Journal of Mineralogy 15 (2003) 267-275 Brochantite, Cu4SO4(OH)6: OD character, polytypism and crystal structures Sample: MDO_2 polytype CELL PARAMETERS: 12.7568 9.8657 6.0334 89.090 90.00000 90.00000 SPACE GROUP: P2_1/n X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 11.39 14.70 7.8035 1 1 0 13.93 89.34 6.3784 2 0 0 16.30 7.82 5.4536 1 0 1 16.59 93.47 5.3562 2 1 0 17.40 9.54 5.1105 0 -1 1 17.15 2.85 5.1833 0 1 1 18.03 5.68 4.9322 0 2 0 18.75 1.72 4.7440 1 -1 1 18.52 5.61 4.8021 1 1 1 20.30 7.20 4.3828 2 0 1 22.33 1.28 3.9882 2 -1 1 22.81 39.79 3.9049 3 1 0 22.83 100.00 3.9018 2 2 0 24.19 6.91 3.6845 1 2 1 27.32 1.37 3.2687 3 -1 1 27.41 7.66 3.2576 2 -2 1 27.16 3.99 3.2875 3 1 1 27.73 1.49 3.2206 3 2 0 28.01 33.56 3.1892 4 0 0 28.06 18.10 3.1841 1 3 0 30.62 31.80 2.9226 2 3 0 31.22 2.58 2.8680 0 -3 1 31.38 2.01 2.8534 3 2 1 31.60 2.15 2.8340 1 3 1 31.98 4.68 2.8016 1 -1 2 31.70 4.44 2.8254 1 1 2 33.14 2.50 2.7056 4 -1 1 33.49 82.55 2.6781 4 2 0 34.27 5.59 2.6186 2 -1 2 34.01 6.37 2.6380 2 1 2 34.51 25.19 2.6012 3 3 0 35.87 79.49 2.5055 1 -2 2 35.37 80.72 2.5398 1 2 2 36.40 15.72 2.4701 5 1 0 36.46 12.07 2.4661 0 4 0 36.55 31.20 2.4602 3 0 2 37.16 2.16 2.4213 1 4 0 37.96 9.18 2.3720 2 -2 2 37.48 8.72 2.4010 2 2 2 39.19 9.97 2.3002 2 4 0 39.80 14.26 2.2661 5 2 0 41.24 1.20 2.1902 3 -2 2 40.80 1.13 2.2130 3 2 2 41.58 12.26 2.1731 1 -3 2 40.92 12.18 2.2068 1 3 2 42.37 9.73 2.1341 4 -1 2 42.16 9.69 2.1445 4 1 2 42.54 1.48 2.1261 6 0 0 43.44 2.25 2.0843 2 -3 2 42.80 1.91 2.1139 2 3 2 43.56 15.17 2.0784 6 1 0 44.99 12.71 2.0157 5 3 0 45.50 1.72 1.9941 4 -2 2 45.09 1.74 2.0113 4 2 2 46.40 7.19 1.9577 3 -3 2 45.79 7.73 1.9822 3 3 2 46.53 3.25 1.9524 6 2 0 46.57 1.59 1.9509 4 4 0 46.64 7.89 1.9480 5 0 2 47.70 2.24 1.9073 5 -1 2 48.04 1.23 1.8945 0 -4 2 47.50 2.57 1.9148 5 1 2 47.25 1.14 1.9243 0 4 2 48.30 7.07 1.8848 2 5 0 50.32 9.02 1.8139 4 -3 2 49.75 9.02 1.8333 4 3 2 50.57 3.31 1.8054 5 -2 2 50.19 3.10 1.8182 5 2 2 50.97 6.73 1.7921 7 1 0 51.05 2.46 1.7896 3 5 0 51.18 3.03 1.7854 6 3 0 52.92 26.69 1.7305 3 -4 2 52.19 26.58 1.7531 3 4 2 53.65 7.71 1.7088 6 -1 2 53.46 7.00 1.7141 6 1 2 54.72 1.68 1.6778 4 5 0 55.05 5.92 1.6684 5 -3 2 54.51 5.68 1.6835 5 3 2 56.62 5.55 1.6258 1 -5 2 55.74 5.36 1.6493 1 5 2 56.44 1.11 1.6306 1 6 0 58.11 7.40 1.5876 2 -5 2 57.25 7.78 1.6094 2 5 2 57.85 3.92 1.5940 7 3 0 57.93 2.10 1.5920 2 6 0 59.21 12.66 1.5607 5 5 0 59.24 16.64 1.5598 7 0 2 60.54 6.15 1.5295 3 -5 2 60.49 6.85 1.5306 6 -3 2 59.70 5.95 1.5490 3 5 2 59.98 7.18 1.5423 6 3 2 60.91 2.39 1.5210 5 -4 2 60.24 2.25 1.5363 5 4 2 61.08 12.88 1.5173 8 2 0 61.49 20.68 1.5082 0 0 4 62.61 1.64 1.4837 7 -2 2 62.28 1.56 1.4907 7 2 2 63.85 3.59 1.4579 4 -5 2 63.37 2.74 1.4677 2 0 4 63.03 3.52 1.4747 4 5 2 63.68 5.84 1.4613 4 6 0 64.31 2.42 1.4484 2 -1 4 63.99 2.54 1.4550 2 1 4 64.42 4.31 1.4462 6 5 0 65.50 8.74 1.4250 1 -6 2 64.54 8.50 1.4440 1 6 2 66.56 1.94 1.4048 7 -3 2 66.08 1.86 1.4138 7 3 2 66.78 3.28 1.4008 2 -2 4 66.61 1.41 1.4039 3 -1 4 66.29 1.25 1.4099 3 1 4 66.66 1.22 1.4030 9 1 0 66.14 3.12 1.4127 2 2 4 66.78 1.43 1.4007 1 7 0 67.14 4.43 1.3941 8 -1 2 66.98 4.60 1.3970 8 1 2 67.97 1.17 1.3791 5 -5 2 67.18 1.27 1.3933 5 5 2 68.14 6.50 1.3760 2 7 0 68.86 3.20 1.3634 4 0 4 70.68 2.10 1.3326 2 -3 4 70.31 2.64 1.3387 7 5 0 70.38 2.88 1.3377 3 7 0 69.76 2.02 1.3480 2 3 4 71.87 3.10 1.3134 7 -4 2 71.26 2.94 1.3232 7 4 2 72.13 6.36 1.3093 4 -2 4 71.52 6.07 1.3190 4 2 4 72.88 2.14 1.2977 3 -3 4 71.97 2.29 1.3119 3 3 4 74.21 2.05 1.2776 0 -4 4 73.72 1.48 1.2849 5 -1 4 73.42 1.73 1.2895 5 1 4 73.00 1.88 1.2958 0 4 4 73.86 5.79 1.2828 9 0 2 74.35 1.53 1.2757 10 0 0 77.38 4.24 1.2331 0 8 0 78.46 1.63 1.2187 6 -1 4 78.16 1.44 1.2226 6 1 4 79.77 1.55 1.2020 5 -3 4 78.88 1.39 1.2133 5 3 4 80.79 2.15 1.1893 10 3 0 81.64 1.39 1.1791 4 -7 2 80.61 1.47 1.1916 4 7 2 83.96 1.23 1.1523 7 -1 4 83.67 1.33 1.1556 7 1 4 84.65 3.73 1.1446 8 6 0 85.42 2.34 1.1362 5 -7 2 84.40 2.25 1.1474 5 7 2 85.54 1.43 1.1349 9 -4 2 84.96 1.42 1.1412 9 4 2 85.72 3.14 1.1331 10 4 0 90.02 2.44 1.0897 6 -7 2 89.01 2.48 1.0995 6 7 2 89.01 2.48 1.0995 6 7 2 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.