Gorgeyite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R060578 Smith G W, Walls R Zeitschrift fur Kristallographie 151 (1980) 49-60 The crystal structure of goergeyite K2SO4*5CaSO4*H2O Locality: Astakos, Greece CELL PARAMETERS: 17.51171 6.835274 18.23955 90.00000 113.3292 90.00000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 11.03 9.06 8.0400 2 0 0 14.10 12.57 6.2905 1 1 0 15.82 16.09 5.6098 1 1 1 18.09 9.57 4.9092 2 0 2 18.93 5.23 4.6926 1 1 2 21.23 8.57 4.1871 0 0 4 23.64 3.60 3.7650 -1 1 4 23.87 3.14 3.7303 -4 0 4 26.08 5.48 3.4176 0 2 0 26.47 22.49 3.3688 3 1 2 26.63 3.75 3.3486 0 2 1 28.18 60.56 3.1676 4 0 2 28.21 1.16 3.1643 0 2 2 28.40 6.65 3.1431 -3 1 5 28.74 1.05 3.1071 -2 2 2 29.21 5.41 3.0578 -5 1 1 29.43 28.87 3.0356 -2 0 6 29.71 100.00 3.0079 2 2 1 30.39 10.04 2.9421 -2 2 3 30.49 4.57 2.9322 -5 1 4 30.73 1.37 2.9100 5 1 0 31.73 44.63 2.8207 -6 0 4 32.07 1.04 2.7914 0 0 6 32.49 33.27 2.7565 -3 1 6 32.75 11.36 2.7349 -5 1 5 33.03 4.97 2.7120 -1 1 6 33.44 3.04 2.6800 6 0 0 33.86 8.08 2.6476 0 2 4 35.63 1.09 2.5199 -4 2 4 36.02 1.97 2.4938 -2 2 5 36.13 1.75 2.4864 5 1 2 37.21 2.45 2.4165 1 1 6 37.94 11.48 2.3716 -4 2 5 38.76 1.06 2.3232 4 2 2 39.25 1.48 2.2951 -5 1 7 39.71 3.18 2.2696 -2 2 6 39.90 1.17 2.2592 -4 0 8 39.96 2.59 2.2559 1 3 0 40.03 1.32 2.2524 -7 1 5 40.73 1.72 2.2151 -6 2 2 41.47 9.93 2.1775 7 1 0 41.51 1.11 2.1755 -6 2 4 42.35 1.18 2.1339 2 2 5 42.37 9.46 2.1332 -1 3 3 42.45 4.06 2.1294 1 1 7 42.88 1.40 2.1089 6 2 0 43.02 7.26 2.1025 -6 0 8 43.25 3.98 2.0915 -5 1 8 43.69 1.07 2.0714 -3 3 3 45.10 1.20 2.0100 8 0 0 45.26 1.29 2.0033 -3 3 4 46.31 5.54 1.9600 0 2 7 46.78 3.32 1.9415 1 3 4 47.78 1.65 1.9034 -6 2 7 47.86 20.13 1.9002 1 1 8 47.97 4.82 1.8960 -5 3 1 48.83 1.49 1.8649 -5 3 4 49.11 3.76 1.8548 2 0 8 49.46 25.03 1.8423 -8 2 3 49.54 1.14 1.8398 4 2 5 50.31 1.03 1.8131 -9 1 6 50.38 12.96 1.8109 -5 3 5 50.58 1.75 1.8042 -1 3 6 50.81 11.18 1.7964 6 2 3 51.16 1.53 1.7852 0 2 8 52.96 1.52 1.7286 5 1 6 53.60 9.94 1.7095 -10 0 2 53.62 2.23 1.7088 0 4 0 54.28 2.22 1.6896 7 1 4 54.30 12.96 1.6889 -1 3 7 54.67 1.30 1.6785 3 1 8 54.82 1.66 1.6740 -7 3 4 55.54 3.05 1.6540 5 3 3 55.70 2.45 1.6499 2 4 1 58.03 1.14 1.5888 -4 4 1 58.24 1.10 1.5838 8 0 4 60.27 1.57 1.5351 3 1 9 60.44 1.79 1.5313 -9 1 10 61.07 1.11 1.5168 -4 4 5 61.24 1.33 1.5131 -3 3 9 61.65 2.76 1.5039 4 4 2 62.33 1.09 1.4891 -2 4 6 62.64 2.05 1.4825 -5 1 12 63.64 3.89 1.4615 -6 4 4 64.67 1.08 1.4408 6 4 0 66.24 1.25 1.4103 -12 0 8 69.82 1.54 1.3466 -8 4 3 70.92 1.43 1.3284 6 4 3 72.37 4.77 1.3052 -7 3 11 72.98 3.35 1.2957 3 3 9 73.10 3.90 1.2939 -13 1 8 73.08 2.83 1.2942 -4 2 13 74.06 4.60 1.2795 -12 2 1 74.82 1.51 1.2683 5 1 10 75.54 2.67 1.2580 -2 0 14 76.31 1.07 1.2473 1 5 5 76.49 2.19 1.2449 -3 5 6 77.39 4.29 1.2326 -11 3 9 79.10 1.22 1.2102 -1 1 14 79.22 1.69 1.2086 -10 4 2 80.87 1.32 1.1880 10 2 5 81.33 1.15 1.1824 -3 3 13 82.17 2.86 1.1725 9 3 5 83.11 1.74 1.1616 8 4 4 84.27 1.82 1.1486 14 0 0 86.49 1.89 1.1246 1 5 8 87.93 1.75 1.1099 11 1 6 87.93 1.75 1.1099 11 1 6 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.