Cannizzarite Topa D, Makovicky E, Dittrich H The Canadian Mineralogist 48 (2010) 483-495 The crystal structure of 7H:12Q cannizzarite from Vulcano, Italy Locality: Vulcano, Italy _database_code_amcsd 0006281 CELL PARAMETERS: 38.8600 4.0900 39.8300 90.000 102.300 90.000 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 6185.165 Density (g/cm3): 7.037 MAX. ABS. INTENSITY / VOLUME**2: 86.47733130 RIR: 4.001 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 5.77 2.61 15.3166 -2 0 2 2 11.55 17.91 7.6583 -4 0 4 2 14.65 1.06 6.0453 6 0 1 2 17.37 11.99 5.1055 -6 0 6 2 20.07 1.51 4.4251 -2 0 9 2 21.73 1.75 4.0896 5 0 7 2 21.88 3.17 4.0625 7 0 5 2 22.50 18.37 3.9515 -2 1 2 4 22.96 1.49 3.8731 -10 0 3 2 23.11 13.09 3.8486 3 0 9 2 23.23 100.00 3.8292 -8 0 8 2 23.36 1.39 3.8082 -5 0 10 2 23.42 2.30 3.7984 -7 0 9 2 23.52 17.73 3.7819 9 0 3 2 23.60 2.25 3.7695 -9 0 7 2 24.68 38.69 3.6077 -4 1 4 4 25.23 26.64 3.5293 4 1 3 4 25.36 14.09 3.5120 6 0 8 2 25.78 20.62 3.4552 1 0 11 2 26.31 45.87 3.3875 6 1 1 4 26.40 20.82 3.3754 11 0 1 2 26.54 21.40 3.3583 4 0 10 2 26.54 1.95 3.3581 -11 0 6 2 26.97 13.09 3.3065 10 0 4 2 27.07 25.40 3.2945 0 1 7 4 27.10 2.16 3.2902 -7 1 2 4 27.95 24.08 3.1921 -6 1 6 4 28.58 15.34 3.1230 -8 1 1 4 28.90 6.27 3.0893 2 0 12 2 28.91 1.68 3.0882 -7 0 12 2 29.15 1.69 3.0633 -10 0 10 2 29.43 4.59 3.0354 -1 0 13 2 29.55 36.55 3.0226 12 0 2 2 29.75 77.53 3.0035 -2 1 9 4 30.19 1.28 2.9599 -13 0 1 2 30.92 38.57 2.8919 5 1 7 4 31.03 38.01 2.8823 7 1 5 4 31.45 1.32 2.8442 -1 1 10 4 31.93 16.73 2.8028 3 1 9 4 32.02 1.32 2.7953 -8 1 8 4 32.12 3.21 2.7871 -5 1 10 4 32.20 1.11 2.7797 0 0 14 2 32.21 1.63 2.7788 -13 0 8 2 32.24 10.62 2.7767 9 1 3 4 33.03 21.18 2.7120 14 0 0 2 33.29 43.17 2.6910 -4 1 11 4 34.66 1.43 2.5882 -9 0 14 2 35.15 9.21 2.5528 -12 0 12 2 35.44 1.15 2.5327 -13 0 11 2 35.79 2.26 2.5088 -12 1 5 4 36.22 4.04 2.4800 -2 0 16 2 36.88 6.07 2.4374 -1 1 13 4 37.51 8.51 2.3978 -13 1 1 4 39.54 1.06 2.2794 -17 0 5 2 40.32 42.31 2.2370 -14 1 7 4 40.50 11.50 2.2271 -3 1 15 4 40.78 14.53 2.2125 -4 0 18 2 41.26 11.96 2.1883 -15 1 3 4 41.26 2.70 2.1881 -14 0 14 2 41.50 1.14 2.1761 -10 0 17 2 41.71 4.97 2.1656 -12 1 12 4 41.84 3.06 2.1589 -18 0 4 2 42.21 2.06 2.1411 -8 1 15 4 43.79 5.82 2.0672 -7 0 19 2 44.04 6.90 2.0563 12 0 12 2 44.25 4.20 2.0471 -15 1 10 4 44.29 39.14 2.0450 0 2 0 2 44.30 5.27 2.0448 10 0 14 2 44.45 25.65 2.0380 10 1 11 4 44.61 3.36 2.0313 14 0 10 2 44.71 9.04 2.0268 -5 1 17 4 44.80 10.96 2.0232 12 1 9 4 44.81 4.64 2.0227 -19 0 7 2 44.94 8.98 2.0172 8 1 13 4 45.11 1.13 2.0098 -18 0 11 2 45.28 7.33 2.0027 -16 1 9 4 45.38 1.06 1.9986 8 0 16 2 45.56 6.50 1.9910 -17 1 5 4 45.77 4.92 1.9823 -6 0 20 2 45.93 1.01 1.9758 -4 2 4 4 46.92 3.29 1.9366 -20 0 6 2 47.10 4.96 1.9293 -14 1 14 4 47.32 11.90 1.9211 -10 1 17 4 47.48 1.40 1.9149 17 1 2 4 47.49 8.00 1.9146 -16 0 16 2 47.87 3.95 1.9002 16 1 5 4 47.92 1.60 1.8984 -6 2 6 4 48.27 3.50 1.8854 4 1 17 4 48.44 1.25 1.8791 -9 1 18 4 49.40 1.31 1.8449 -7 1 19 4 49.80 1.69 1.8310 4 0 20 2 49.86 1.19 1.8290 10 1 14 4 50.14 2.91 1.8193 14 1 10 4 50.33 1.03 1.8131 -19 1 7 4 50.49 6.68 1.8076 18 1 3 4 50.54 2.73 1.8059 3 2 9 4 50.60 21.62 1.8039 -8 2 8 4 50.60 2.20 1.8038 -18 1 11 4 50.75 3.76 1.7989 9 2 3 4 50.85 3.48 1.7957 8 1 16 4 50.93 2.46 1.7928 20 0 4 2 51.00 7.51 1.7906 2 1 19 4 51.41 3.97 1.7774 16 1 8 4 51.73 3.65 1.7672 6 2 8 4 51.88 1.68 1.7625 14 0 14 2 51.96 5.25 1.7599 1 2 11 4 52.01 2.41 1.7582 -13 1 18 4 52.27 1.04 1.7503 -20 1 6 4 52.31 5.51 1.7490 11 2 1 4 52.34 2.42 1.7481 -22 0 8 2 52.38 6.16 1.7467 4 2 10 4 52.40 2.69 1.7460 16 0 12 2 52.56 3.92 1.7412 6 1 18 4 52.62 3.62 1.7392 10 2 4 4 52.77 2.77 1.7347 -12 1 19 4 53.01 2.64 1.7276 2 0 22 2 53.02 2.19 1.7272 10 0 18 2 53.38 2.50 1.7164 18 1 6 4 53.65 1.49 1.7082 18 0 10 2 53.74 2.96 1.7058 20 1 1 4 53.76 2.11 1.7052 2 2 12 4 53.87 1.42 1.7018 -18 0 18 2 54.07 1.45 1.6960 -1 2 13 4 54.15 11.03 1.6938 12 2 2 4 54.35 2.29 1.6880 0 1 21 4 54.36 2.16 1.6877 22 0 2 2 54.66 5.72 1.6792 8 0 20 2 56.25 1.10 1.6354 -20 1 13 4 56.35 7.71 1.6328 14 2 0 4 56.78 1.24 1.6215 0 0 24 2 56.79 1.15 1.6211 -10 0 24 2 56.96 2.47 1.6166 6 0 22 2 57.77 3.64 1.5960 -12 2 12 4 58.50 1.73 1.5778 -2 2 16 4 60.44 1.59 1.5317 -20 0 20 2 61.34 2.72 1.5113 24 0 4 2 61.77 7.16 1.5018 -4 2 18 4 62.13 1.38 1.4941 -14 2 14 4 62.20 6.48 1.4925 -22 1 15 4 62.56 1.60 1.4847 -18 2 4 4 62.77 1.59 1.4804 -12 0 26 2 63.00 1.22 1.4755 24 1 0 4 63.36 1.00 1.4678 2 0 26 2 64.05 3.02 1.4538 -7 2 19 4 64.10 2.18 1.4527 -25 1 6 4 64.24 3.62 1.4500 12 2 12 4 64.44 2.79 1.4460 10 2 14 4 64.68 1.80 1.4412 14 2 10 4 64.83 2.52 1.4381 -19 2 7 4 65.06 2.25 1.4336 26 0 2 2 65.59 2.85 1.4233 -6 2 20 4 65.61 1.34 1.4229 -2 1 26 4 66.49 1.98 1.4061 -20 2 6 4 66.64 3.08 1.4034 -26 1 5 4 66.95 4.74 1.3976 -16 2 16 4 67.28 1.08 1.3916 -26 1 2 4 67.50 5.00 1.3875 -6 1 27 4 68.83 1.04 1.3641 4 2 20 4 69.76 1.55 1.3481 20 2 4 4 70.11 1.42 1.3422 -4 3 4 4 70.36 1.16 1.3381 4 3 3 4 70.54 1.00 1.3351 -9 1 28 4 70.54 1.14 1.3351 14 2 14 4 70.71 1.55 1.3323 16 1 19 4 70.85 2.21 1.3299 6 3 1 4 70.93 1.68 1.3288 -22 2 8 4 70.98 1.88 1.3279 16 2 12 4 71.00 3.58 1.3275 -18 1 25 4 71.21 1.24 1.3241 0 3 7 4 71.31 1.63 1.3225 14 1 21 4 71.49 1.75 1.3197 2 2 22 4 71.50 1.52 1.3195 10 2 18 4 71.65 1.15 1.3172 -6 3 6 4 71.85 1.26 1.3140 -17 1 26 4 71.87 3.18 1.3137 -28 1 7 4 72.03 1.06 1.3110 18 2 10 4 72.22 1.05 1.3081 -18 2 18 4 72.55 4.17 1.3029 -2 3 9 4 72.59 3.75 1.3023 22 1 13 4 72.63 1.48 1.3017 22 2 2 4 72.75 2.21 1.2999 17 1 19 4 72.81 1.77 1.2990 -8 1 29 4 72.89 4.12 1.2977 8 2 20 4 72.92 1.56 1.2973 19 1 17 4 73.18 2.12 1.2934 5 3 7 4 73.23 2.13 1.2925 7 3 5 4 74.42 2.67 1.2748 24 1 11 4 74.49 2.98 1.2738 -4 3 11 4 74.87 1.86 1.2682 6 2 22 4 77.18 1.33 1.2360 -21 1 26 4 77.20 1.20 1.2357 -30 0 16 2 77.93 1.27 1.2259 -20 2 20 4 78.73 2.26 1.2154 24 2 4 4 78.81 4.21 1.2144 -14 3 7 4 78.94 1.06 1.2128 -3 3 15 4 79.44 1.18 1.2064 -15 3 3 4 79.57 1.02 1.2047 27 1 9 4 79.66 2.31 1.2036 6 1 29 4 80.01 1.37 1.1992 -12 2 26 4 81.64 3.14 1.1793 10 3 11 4 81.83 1.05 1.1771 -5 3 17 4 81.88 1.36 1.1764 12 3 9 4 81.98 1.34 1.1753 20 0 22 2 81.98 1.13 1.1753 8 3 13 4 82.10 2.01 1.1739 26 2 2 4 83.17 1.47 1.1615 4 1 31 4 83.35 1.14 1.1595 30 1 5 4 83.71 1.63 1.1553 -10 3 17 4 86.11 1.08 1.1292 18 3 3 4 86.51 1.23 1.1250 2 3 19 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.