Challacolloite Mitolo D, Pinto D, Garavelli A, Bindi L, Vurro F Mineralogy and Petrology 96 (2009) 121-128 The role of the minor substitutions in the crystal structure of natural challacolloite, KPb2Cl5, and hephaistosite, TiPb2Cl5, from Vulcano (Aeolian Archipelago, Italy) Locality: rim of La Fossa Crater, Vulcano, Aeolian Archipelago, Italy _database_code_amcsd 0019022 CELL PARAMETERS: 8.8989 7.9717 12.5624 90.000 90.022 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 891.169 Density (g/cm3): 4.818 MAX. ABS. INTENSITY / VOLUME**2: 58.69131135 RIR: 3.967 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.94 68.81 8.8989 1 0 0 2 13.15 16.87 6.7309 0 1 1 4 14.10 5.11 6.2812 0 0 2 2 14.92 12.55 5.9377 1 1 0 4 16.51 15.71 5.3688 -1 1 1 4 16.51 7.85 5.3677 1 1 1 4 17.28 10.55 5.1326 -1 0 2 2 17.28 7.40 5.1307 1 0 2 2 20.58 6.28 4.3155 -1 1 2 4 20.59 5.22 4.3144 1 1 2 4 22.30 49.62 3.9859 0 2 0 2 23.97 55.93 3.7121 -2 1 1 4 23.98 40.75 3.7114 2 1 1 4 24.01 100.00 3.7071 0 1 3 4 24.47 18.88 3.6376 1 2 0 4 24.51 26.46 3.6314 -2 0 2 2 24.52 33.39 3.6301 2 0 2 2 25.49 5.63 3.4942 -1 2 1 4 25.49 9.37 3.4939 1 2 1 4 26.04 8.13 3.4225 -1 1 3 4 26.04 13.16 3.4217 1 1 3 4 26.48 1.63 3.3654 0 2 2 4 26.98 2.26 3.3047 -2 1 2 4 26.99 2.19 3.3037 2 1 2 4 28.35 4.79 3.1481 -1 2 2 4 28.35 2.23 3.1476 1 2 2 4 28.42 4.26 3.1406 0 0 4 2 30.10 2.44 2.9688 2 2 0 4 30.13 3.44 2.9663 3 0 0 2 30.60 7.53 2.9220 0 1 4 4 30.95 3.52 2.8894 -2 2 1 4 30.95 7.14 2.8891 2 2 1 4 30.97 4.62 2.8871 0 2 3 4 31.40 5.35 2.8486 -2 1 3 4 31.41 4.43 2.8477 2 1 3 4 32.20 6.48 2.7801 3 1 0 4 32.24 4.36 2.7765 -1 1 4 4 32.25 6.08 2.7759 1 1 4 4 32.60 7.80 2.7464 -1 2 3 4 32.61 6.96 2.7459 1 2 3 4 33.38 35.28 2.6844 -2 2 2 4 33.39 44.09 2.6839 2 2 2 4 33.41 4.17 2.6818 3 0 2 2 34.50 5.59 2.5997 0 3 1 4 34.96 22.32 2.5663 -2 0 4 2 34.98 18.42 2.5654 2 0 4 2 35.25 10.00 2.5461 1 3 0 4 35.30 1.64 2.5425 -3 1 2 4 35.31 3.37 2.5419 3 1 2 4 35.99 2.55 2.4955 -1 3 1 4 35.99 1.15 2.4954 1 3 1 4 36.42 1.97 2.4668 0 2 4 4 37.81 6.55 2.3796 3 2 0 4 37.84 1.41 2.3774 -1 2 4 4 38.14 13.46 2.3597 -1 3 2 4 38.14 9.65 2.3596 1 3 2 4 38.50 4.37 2.3382 -3 2 1 4 38.51 5.78 2.3379 3 2 1 4 38.88 11.67 2.3165 -3 1 3 4 38.89 3.95 2.3157 3 1 3 4 38.92 3.91 2.3141 -1 1 5 4 38.93 2.37 2.3136 1 1 5 4 40.17 7.27 2.2447 -2 3 1 4 40.18 5.05 2.2446 2 3 1 4 40.19 19.69 2.2436 0 3 3 4 40.53 1.73 2.2255 -3 2 2 4 40.54 1.87 2.2251 3 2 2 4 40.55 28.48 2.2247 4 0 0 2 41.51 4.50 2.1757 -1 3 3 4 41.51 5.76 2.1754 1 3 3 4 41.87 8.02 2.1577 -2 2 4 4 41.88 6.08 2.1572 2 2 4 4 42.81 1.61 2.1122 4 1 1 4 42.86 17.99 2.1101 -2 1 5 4 42.87 21.85 2.1094 2 1 5 4 43.21 12.37 2.0937 0 0 6 2 43.46 1.63 2.0820 -3 1 4 4 43.75 3.18 2.0692 -3 2 3 4 43.76 2.61 2.0686 3 2 3 4 43.79 2.21 2.0675 -1 2 5 4 43.79 2.50 2.0672 1 2 5 4 44.46 2.66 2.0379 1 0 6 2 45.26 2.42 2.0035 -2 3 3 4 45.27 2.16 2.0032 2 3 3 4 45.51 1.86 1.9929 0 4 0 2 45.85 4.25 1.9792 3 3 0 4 45.88 4.56 1.9779 -1 3 4 4 45.88 4.93 1.9777 1 3 4 4 46.71 3.23 1.9448 1 4 0 4 46.76 12.84 1.9426 4 2 0 4 47.30 3.77 1.9219 -1 4 1 4 47.30 4.17 1.9218 1 4 1 4 47.67 14.68 1.9079 -4 1 3 4 47.68 14.05 1.9073 4 1 3 4 47.89 1.21 1.8996 0 4 2 4 48.20 4.19 1.8879 -3 3 2 4 48.21 5.68 1.8876 3 3 2 4 48.87 1.68 1.8637 3 1 5 4 49.04 1.34 1.8577 1 4 2 4 49.15 17.01 1.8536 0 2 6 4 50.16 3.76 1.8188 2 4 0 4 50.27 1.78 1.8151 4 0 4 2 50.28 3.20 1.8145 1 2 6 4 51.03 1.50 1.7896 -3 3 3 4 51.04 4.08 1.7892 3 3 3 4 51.07 2.34 1.7885 -1 3 5 4 51.34 1.28 1.7798 5 0 0 2 51.83 2.18 1.7639 -1 4 3 4 51.84 2.25 1.7638 1 4 3 4 52.37 1.45 1.7471 -2 4 2 4 52.37 2.05 1.7470 2 4 2 4 53.23 1.38 1.7207 -5 1 1 4 53.52 1.11 1.7122 5 0 2 2 53.56 1.27 1.7109 -3 0 6 2 54.27 1.18 1.6904 -4 3 1 4 54.82 2.51 1.6746 -3 3 4 4 54.83 2.50 1.6743 3 3 4 4 55.55 1.77 1.6542 3 4 0 4 56.07 1.71 1.6401 -3 4 1 4 56.47 2.98 1.6294 -2 1 7 4 56.49 1.80 1.6290 2 1 7 4 56.64 1.21 1.6251 5 2 0 4 56.94 2.31 1.6173 -1 3 6 4 56.94 2.45 1.6171 1 3 6 4 57.24 1.27 1.6093 1 2 7 4 58.34 1.15 1.5817 0 5 1 4 58.41 5.05 1.5799 -4 3 3 4 58.42 5.04 1.5796 4 3 3 4 58.73 2.15 1.5721 -3 2 6 4 58.84 2.98 1.5694 1 5 0 4 59.80 1.10 1.5465 -1 0 8 2 60.14 1.31 1.5387 -3 4 3 4 60.15 1.78 1.5384 3 4 3 4 60.17 1.50 1.5379 -1 4 5 4 60.73 3.77 1.5250 -4 0 6 2 60.76 4.16 1.5244 4 0 6 2 60.84 1.80 1.5226 -1 5 2 4 60.84 1.92 1.5225 1 5 2 4 61.17 1.11 1.5152 -5 2 3 4 62.58 1.29 1.4844 4 4 0 4 62.74 2.72 1.4810 -2 0 8 2 62.76 2.98 1.4806 2 0 8 2 62.84 1.38 1.4787 5 3 0 4 63.28 1.24 1.4696 -1 5 3 4 63.28 1.26 1.4695 1 5 3 4 63.33 1.18 1.4686 -5 3 1 4 64.31 3.99 1.4485 -6 1 1 4 64.32 1.84 1.4483 6 1 1 4 64.56 1.15 1.4436 -6 0 2 2 64.56 1.62 1.4435 0 4 6 4 64.57 2.17 1.4433 6 0 2 2 64.76 1.81 1.4395 -5 3 2 4 64.77 1.62 1.4393 5 3 2 4 64.81 1.56 1.4385 -3 3 6 4 64.83 1.56 1.4381 3 3 6 4 65.50 1.38 1.4250 -1 4 6 4 65.54 5.55 1.4243 -4 2 6 4 65.56 4.67 1.4238 4 2 6 4 66.13 2.99 1.4129 -2 5 3 4 66.14 3.24 1.4128 2 5 3 4 66.59 1.23 1.4043 3 5 0 4 66.62 1.13 1.4039 -1 5 4 4 66.62 1.29 1.4038 1 5 4 4 67.14 1.34 1.3942 5 3 3 4 67.47 2.98 1.3882 -2 2 8 4 67.48 3.73 1.3879 2 2 8 4 67.82 1.02 1.3818 -3 4 5 4 67.84 1.51 1.3815 3 4 5 4 68.21 4.08 1.3749 0 1 9 4 68.31 1.64 1.3732 -2 4 6 4 68.32 1.31 1.3730 2 4 6 4 68.46 1.09 1.3706 -3 5 2 4 69.14 1.10 1.3587 1 1 9 4 69.22 1.70 1.3573 -6 2 2 4 69.23 3.42 1.3571 6 2 2 4 69.87 1.45 1.3462 0 5 5 4 70.16 1.68 1.3413 -6 0 4 2 70.38 1.02 1.3377 5 3 4 4 70.45 1.08 1.3366 -1 3 8 4 70.46 1.09 1.3365 1 3 8 4 70.76 1.24 1.3315 -3 5 3 4 71.46 1.54 1.3202 -5 4 1 4 71.46 1.11 1.3201 5 4 1 4 71.84 1.06 1.3141 1 6 0 4 72.75 1.72 1.2999 0 6 2 4 73.94 1.17 1.2819 3 5 4 4 74.54 2.37 1.2731 2 6 0 4 74.66 1.34 1.2713 -6 2 4 4 75.35 1.60 1.2613 -6 1 5 4 75.38 2.99 1.2609 6 1 5 4 75.74 1.07 1.2558 -1 5 6 4 79.74 1.43 1.2027 -7 1 3 4 80.96 1.02 1.1875 5 5 0 4 82.45 1.98 1.1698 -4 1 9 4 82.49 1.98 1.1694 4 1 9 4 86.77 1.26 1.1223 4 6 2 4 87.74 1.10 1.1124 8 0 0 2 89.44 1.28 1.0956 2 1 11 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.