Tuscanite Mellini M, Merlino S, Rossi G American Mineralogist 62 (1977) 1114-1120 The crystal structure of tuscanite Note Sample from the pumice deposit in Pitigliano, Tuscany, Italy _database_code_amcsd 0000601 CELL PARAMETERS: 24.0300 5.1100 10.8800 90.000 106.940 90.000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 1278.023 Density (g/cm3): 2.832 MAX. ABS. INTENSITY / VOLUME**2: 4.489007500 RIR: 0.516 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.69 48.10 11.4937 2 0 0 2 8.50 8.67 10.4079 0 0 1 2 9.66 3.26 9.1555 -2 0 1 2 15.29 7.94 5.7960 -4 0 1 2 15.42 6.98 5.7468 4 0 0 2 16.53 8.35 5.3642 -2 0 2 2 17.04 10.83 5.2040 0 0 2 2 19.01 1.06 4.6693 2 1 0 4 19.35 43.76 4.5870 0 1 1 4 19.39 9.64 4.5777 -4 0 2 2 19.70 26.67 4.5059 4 0 1 2 19.90 5.16 4.4620 -2 1 1 4 20.69 15.04 4.2938 2 0 2 2 20.90 1.93 4.2513 3 1 0 4 22.27 12.93 3.9922 -6 0 1 2 23.21 18.65 3.8330 -4 1 1 4 23.22 7.05 3.8312 6 0 0 2 23.29 9.79 3.8187 4 1 0 4 23.92 3.47 3.7205 -1 1 2 4 24.05 1.51 3.6999 -2 1 2 4 24.41 3.61 3.6461 0 1 2 4 24.51 2.78 3.6316 -6 0 2 2 24.55 4.03 3.6264 -2 0 3 2 25.61 1.91 3.4782 -5 1 1 4 25.68 16.11 3.4693 0 0 3 2 25.84 1.11 3.4476 -4 0 3 2 26.07 2.31 3.4178 5 1 0 4 26.24 22.59 3.3964 4 0 2 2 27.04 2.23 3.2974 6 0 1 2 27.13 13.85 3.2874 2 1 2 4 28.37 10.31 3.1459 -6 1 1 4 28.97 27.92 3.0821 2 0 3 2 29.13 90.21 3.0653 6 1 0 4 29.26 1.36 3.0518 -6 0 3 2 29.75 13.74 3.0034 -8 0 1 2 30.19 81.67 2.9602 -6 1 2 4 30.85 18.43 2.8980 -8 0 2 2 31.13 33.42 2.8734 8 0 0 2 31.16 81.02 2.8703 0 1 3 4 31.30 100.00 2.8580 -4 1 3 4 31.40 1.17 2.8489 -7 1 1 4 31.63 44.03 2.8286 4 1 2 4 32.31 9.49 2.7706 6 1 1 4 32.35 3.56 2.7673 1 1 3 4 32.41 1.66 2.7626 7 1 0 4 32.55 1.21 2.7508 -5 1 3 4 32.76 2.94 2.7333 -7 1 2 4 32.82 7.12 2.7289 6 0 2 2 33.01 3.41 2.7137 -2 0 4 2 33.41 1.57 2.6821 -4 0 4 2 34.22 3.52 2.6201 -6 1 3 4 34.23 4.21 2.6194 -8 0 3 2 34.37 3.20 2.6092 5 1 2 4 34.47 6.34 2.6020 0 0 4 2 34.72 4.98 2.5834 8 0 1 2 35.12 61.28 2.5550 0 2 0 2 35.62 1.45 2.5208 -8 1 2 4 35.62 1.43 2.5208 -6 0 4 2 35.85 5.79 2.5046 8 1 0 4 35.96 3.37 2.4974 3 1 3 4 36.01 2.84 2.4941 2 2 0 4 36.14 5.00 2.4855 -1 2 1 4 36.26 5.83 2.4772 -7 1 3 4 36.70 6.25 2.4489 1 2 1 4 37.09 13.18 2.4238 3 2 0 4 37.31 6.44 2.4102 -3 2 1 4 37.36 11.38 2.4072 6 1 2 4 37.49 9.31 2.3987 -3 1 4 4 37.53 2.93 2.3967 -2 1 4 4 37.88 8.47 2.3748 -4 1 4 4 37.98 9.91 2.3692 -1 1 4 4 38.28 2.26 2.3512 4 1 3 4 38.63 1.33 2.3310 -8 1 3 4 38.84 3.79 2.3187 0 1 4 4 39.19 3.11 2.2987 10 0 0 2 39.28 2.65 2.2935 0 2 2 4 39.37 2.34 2.2889 -8 0 4 2 40.09 11.50 2.2494 1 1 4 4 40.55 1.06 2.2247 7 1 2 4 40.59 2.33 2.2226 4 2 1 4 41.43 4.41 2.1794 -7 1 4 4 41.62 5.43 2.1701 -4 0 5 2 41.79 3.65 2.1617 -2 0 5 2 42.53 2.57 2.1257 6 2 0 4 42.67 2.02 2.1189 9 1 1 4 43.30 4.41 2.0896 -6 2 2 4 43.73 8.30 2.0701 6 1 3 4 44.01 10.38 2.0573 0 2 3 4 44.12 6.61 2.0527 -4 2 3 4 44.14 4.02 2.0517 -10 1 3 4 44.19 2.71 2.0494 -7 2 1 4 44.33 2.59 2.0433 -10 0 4 2 44.88 3.72 2.0196 6 2 1 4 44.91 1.12 2.0184 1 2 3 4 44.95 4.83 2.0165 7 2 0 4 45.32 2.09 2.0011 -11 1 1 4 45.40 1.17 1.9975 -11 1 2 4 45.41 2.50 1.9974 -4 1 5 4 45.44 14.46 1.9961 -12 0 2 2 45.50 2.69 1.9936 -9 1 4 4 45.58 6.53 1.9900 -12 0 1 2 45.85 2.32 1.9793 4 1 4 4 46.15 10.71 1.9670 2 2 3 4 46.35 9.23 1.9591 -6 2 3 4 46.46 1.57 1.9545 5 2 2 4 46.55 1.46 1.9510 2 0 5 2 46.68 5.06 1.9457 -6 1 5 4 46.79 1.25 1.9416 7 1 3 4 46.98 1.56 1.9343 11 1 0 4 47.14 2.18 1.9278 0 1 5 4 47.44 8.55 1.9165 -8 2 2 4 47.63 10.45 1.9094 8 2 0 4 47.68 8.36 1.9073 10 0 2 2 47.71 1.15 1.9062 3 2 3 4 47.95 1.78 1.8972 -10 1 4 4 48.83 8.65 1.8651 6 2 2 4 48.99 1.31 1.8593 -12 1 2 4 49.31 5.07 1.8481 -8 1 5 4 49.80 10.15 1.8311 -10 0 5 2 50.03 3.60 1.8230 0 2 4 4 50.04 11.94 1.8228 8 1 3 4 50.04 4.99 1.8227 2 1 5 4 50.25 1.69 1.8158 -12 0 4 2 50.32 12.44 1.8132 -4 0 6 2 50.50 6.86 1.8071 -12 1 3 4 50.82 2.84 1.7967 4 0 5 2 50.91 3.35 1.7937 12 1 0 4 50.92 5.19 1.7932 12 0 1 2 53.40 1.41 1.7159 -14 0 2 2 53.56 2.98 1.7110 -12 1 4 4 53.63 1.18 1.7089 10 2 0 4 53.63 2.13 1.7088 -4 1 6 4 53.88 2.96 1.7015 10 0 3 2 54.12 2.98 1.6946 6 2 3 4 54.18 1.72 1.6928 -2 1 6 4 54.21 1.76 1.6921 12 1 1 4 54.47 3.33 1.6844 -10 2 3 4 54.87 5.05 1.6733 -12 0 5 2 55.24 1.18 1.6627 3 3 0 4 55.63 1.54 1.6522 2 3 1 4 55.64 1.34 1.6518 -9 2 4 4 55.86 4.19 1.6459 2 0 6 2 55.96 1.03 1.6431 -5 2 5 4 56.01 3.48 1.6420 14 0 0 2 56.09 2.29 1.6396 6 0 5 2 56.29 1.25 1.6342 -4 3 1 4 56.33 1.63 1.6334 -8 1 6 4 56.38 1.40 1.6320 -10 0 6 2 56.67 2.05 1.6243 -6 2 5 4 57.07 2.85 1.6138 0 2 5 4 57.10 4.26 1.6130 -14 1 1 4 57.16 10.67 1.6115 8 1 4 4 58.27 2.73 1.5833 2 3 2 4 58.69 1.96 1.5730 -12 2 2 4 58.82 2.84 1.5700 -12 2 1 4 58.95 3.71 1.5667 2 1 6 4 59.10 7.51 1.5632 14 1 0 4 59.38 5.93 1.5564 6 3 0 4 59.43 2.53 1.5553 5 3 1 4 59.45 3.25 1.5547 -10 1 6 4 59.81 2.02 1.5464 11 2 1 4 59.99 5.74 1.5421 -6 3 2 4 59.99 3.69 1.5421 -14 1 4 4 60.00 1.09 1.5417 -2 3 3 4 60.41 1.86 1.5325 -2 0 7 2 60.50 1.16 1.5304 9 1 4 4 60.56 7.74 1.5290 0 3 3 4 60.58 3.63 1.5284 10 2 2 4 60.64 9.58 1.5271 -4 3 3 4 60.69 1.42 1.5259 -12 0 6 2 60.84 3.84 1.5226 4 3 2 4 60.85 1.69 1.5223 3 1 6 4 61.07 1.79 1.5173 10 0 4 2 61.27 2.22 1.5128 1 3 3 4 61.28 6.37 1.5126 -8 0 7 2 61.40 2.23 1.5101 -5 3 3 4 61.78 1.55 1.5017 -16 0 2 2 62.39 3.50 1.4883 -10 2 5 4 62.46 2.22 1.4868 0 0 7 2 62.85 7.19 1.4787 -4 2 6 4 63.33 1.08 1.4686 7 3 1 4 63.33 1.13 1.4685 -8 3 2 4 63.37 2.69 1.4678 12 2 1 4 64.22 1.03 1.4504 -8 1 7 4 64.27 2.80 1.4494 14 0 2 2 64.49 4.25 1.4450 6 3 2 4 64.60 1.84 1.4427 -2 3 4 4 64.69 1.05 1.4410 12 1 3 4 64.84 5.67 1.4379 -4 3 4 4 65.11 3.75 1.4326 4 3 3 4 65.24 3.42 1.4301 -16 1 3 4 65.35 2.30 1.4280 -8 3 3 4 65.50 6.37 1.4251 0 3 4 4 66.22 3.70 1.4113 -6 3 4 4 66.43 1.07 1.4074 -14 2 3 4 66.83 2.99 1.3998 -12 2 5 4 67.13 1.81 1.3944 14 1 2 4 67.15 3.50 1.3940 -16 1 4 4 67.72 4.83 1.3837 2 2 6 4 67.75 3.42 1.3831 16 1 0 4 67.93 1.89 1.3799 6 2 5 4 68.02 1.84 1.3782 6 1 6 4 69.16 1.50 1.3583 -6 0 8 2 69.24 1.25 1.3569 -4 0 8 2 69.31 1.19 1.3557 -17 1 3 4 69.80 1.03 1.3474 4 0 7 2 70.20 1.66 1.3407 14 0 3 2 70.37 6.57 1.3379 -16 1 5 4 70.60 1.35 1.3341 -5 3 5 4 70.81 1.11 1.3307 -18 0 3 2 71.49 1.07 1.3196 4 2 6 4 71.83 2.31 1.3142 -2 2 7 4 71.91 3.83 1.3129 10 1 5 4 71.93 1.04 1.3127 -6 1 8 4 72.01 2.31 1.3114 -4 1 8 4 72.28 2.18 1.3072 -10 0 8 2 72.30 2.54 1.3069 -18 0 4 2 72.45 1.23 1.3046 10 2 4 4 72.64 2.76 1.3016 -8 2 7 4 73.09 1.21 1.2946 -16 2 2 4 73.17 1.90 1.2935 -2 1 8 4 73.85 1.03 1.2832 8 3 3 4 74.22 1.26 1.2777 -12 3 3 4 74.24 4.29 1.2775 0 4 0 2 74.37 3.19 1.2755 1 4 0 4 74.53 3.34 1.2733 -18 1 1 4 74.94 1.20 1.2672 6 0 7 2 75.00 2.92 1.2664 -10 1 8 4 75.39 2.81 1.2608 0 1 8 4 75.40 3.82 1.2607 14 2 2 4 75.99 2.44 1.2523 16 2 0 4 76.63 1.77 1.2434 9 3 3 4 76.71 1.98 1.2423 -12 3 4 4 77.21 2.23 1.2356 14 0 4 2 77.23 1.33 1.2353 -2 3 6 4 77.25 1.37 1.2350 12 3 1 4 77.77 1.50 1.2281 -18 1 5 4 77.83 1.81 1.2272 -16 0 7 2 79.74 3.29 1.2026 8 3 4 4 80.35 1.11 1.1949 -7 2 8 4 80.68 1.04 1.1910 1 4 3 4 80.75 2.06 1.1901 10 1 6 4 80.97 1.17 1.1874 -8 2 8 4 80.99 1.33 1.1872 14 2 3 4 81.28 1.87 1.1836 2 3 6 4 81.41 4.09 1.1821 14 3 0 4 81.56 2.96 1.1802 -18 2 3 4 81.72 1.45 1.1784 -10 3 6 4 81.76 1.77 1.1779 -18 1 6 4 82.18 1.00 1.1729 -14 3 4 4 82.66 2.34 1.1673 8 4 0 4 82.97 1.83 1.1637 -10 2 8 4 83.57 1.17 1.1570 6 4 2 4 83.75 1.79 1.1549 -2 1 9 4 84.85 1.14 1.1428 4 3 6 4 85.42 1.89 1.1366 -12 3 6 4 86.00 1.03 1.1303 -12 2 8 4 86.29 1.15 1.1273 -10 4 1 4 86.36 1.78 1.1266 12 3 3 4 86.87 2.12 1.1213 -16 3 3 4 87.31 1.19 1.1168 -16 1 8 4 87.75 1.95 1.1123 14 2 4 4 88.36 1.80 1.1062 -16 2 7 4 88.89 1.15 1.1009 -11 4 2 4 89.01 1.47 1.0998 -2 4 5 4 89.08 1.18 1.0991 18 0 3 2 89.74 1.66 1.0927 2 1 9 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.