Kirkiite Pinto D, Balic-Zunic T, Garavelli A, Garbarino C, Makovicky E, Vurro F European Journal of Mineralogy 18 (2006) 393-401 First occurrence of close-to-ideal kirkiite at Vulcano (Aeolian Islands, Italy): chemical data and single-crystal X-ray study Locality: La Fossa crater, Vulcano, Aeolian Islands, Italy _database_code_amcsd 0007156 CELL PARAMETERS: 8.7000 26.2370 8.7740 90.000 119.653 90.000 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 1740.482 Density (g/cm3): 6.737 MAX. ABS. INTENSITY / VOLUME**2: 64.40364018 RIR: 3.113 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 6.74 2.50 13.1185 0 2 0 2 11.70 1.06 7.5606 1 0 0 2 11.72 3.90 7.5529 -1 0 1 2 12.09 5.49 7.3220 0 1 1 4 12.18 5.11 7.2650 1 1 0 4 13.43 5.47 6.5923 0 2 1 4 13.50 1.18 6.5592 0 4 0 2 13.52 4.25 6.5506 1 2 0 4 15.42 1.90 5.7473 0 3 1 4 15.49 1.41 5.7196 1 3 0 4 15.50 6.48 5.7162 -1 3 1 4 17.84 3.84 4.9725 0 4 1 4 17.90 4.61 4.9546 1 4 0 4 20.22 3.18 4.3913 1 0 1 2 20.31 1.38 4.3728 0 6 0 2 20.53 5.20 4.3267 -1 1 2 4 20.61 2.49 4.3094 -1 5 1 4 20.70 5.72 4.2914 -2 1 1 4 23.58 3.85 3.7728 0 1 2 4 23.78 3.75 3.7417 2 1 0 4 23.80 2.27 3.7379 -2 1 2 4 24.31 39.22 3.6610 0 2 2 4 24.51 42.83 3.6325 2 2 0 4 24.53 39.32 3.6291 -2 2 2 4 25.49 51.41 3.4948 0 3 2 4 25.67 47.90 3.4700 2 3 0 4 25.70 46.82 3.4670 -2 3 2 4 27.05 30.98 3.2961 0 4 2 4 27.19 100.00 3.2796 0 8 0 2 27.23 31.49 3.2753 2 4 0 4 27.25 38.80 3.2728 -2 4 2 4 28.95 66.58 3.0843 0 5 2 4 29.11 65.32 3.0672 2 5 0 4 29.13 64.53 3.0652 -2 5 2 4 31.12 47.50 2.8737 0 6 2 4 31.25 1.11 2.8621 1 1 2 4 31.28 48.62 2.8598 2 6 0 4 31.30 45.06 2.8581 -2 6 2 4 31.39 3.65 2.8496 -1 7 2 4 31.51 2.55 2.8395 -2 7 1 4 31.97 1.09 2.7994 -2 2 3 4 32.75 1.56 2.7349 1 3 2 4 32.86 1.90 2.7259 2 3 1 4 32.89 2.83 2.7230 -2 3 3 4 33.06 1.01 2.7094 -3 3 1 4 33.53 5.15 2.6728 0 7 2 4 33.67 4.74 2.6616 2 7 0 4 33.69 3.72 2.6603 -2 7 2 4 34.00 4.40 2.6365 1 4 2 4 34.11 4.34 2.6284 2 4 1 4 34.12 4.26 2.6277 1 8 1 4 34.15 5.52 2.6258 -2 4 3 4 34.32 3.60 2.6126 -3 4 2 4 35.48 2.51 2.5298 0 1 3 4 35.59 1.76 2.5228 -1 5 3 4 35.66 1.55 2.5176 -3 0 3 2 35.79 1.89 2.5087 3 1 0 4 35.86 2.15 2.5042 -3 5 1 4 36.28 1.23 2.4762 -2 8 2 4 37.03 3.26 2.4280 -1 9 2 4 37.12 4.86 2.4217 -2 9 1 4 38.89 2.77 2.3158 0 9 2 4 39.02 2.63 2.3085 2 9 0 4 39.03 2.09 2.3076 -2 9 2 4 39.63 1.30 2.2745 -1 11 1 4 41.11 50.78 2.1957 2 0 2 2 41.16 50.72 2.1934 -2 0 4 2 41.52 51.66 2.1750 -4 0 2 2 41.79 12.82 2.1613 0 10 2 4 41.91 13.69 2.1554 2 10 0 4 41.93 12.74 2.1547 -2 10 2 4 43.04 1.32 2.1017 0 12 1 4 43.07 1.50 2.1004 1 12 0 4 43.26 1.18 2.0914 3 7 0 4 44.82 14.11 2.0221 0 11 2 4 44.94 14.00 2.0172 2 11 0 4 44.95 14.12 2.0166 -2 11 2 4 45.13 3.64 2.0090 0 8 3 4 45.38 1.52 1.9983 3 8 0 4 45.42 1.41 1.9970 -3 8 3 4 46.58 1.04 1.9498 -1 13 1 4 47.46 2.49 1.9158 0 9 3 4 47.70 1.59 1.9065 3 9 0 4 47.97 11.26 1.8967 0 12 2 4 48.07 11.41 1.8927 2 12 0 4 48.09 13.70 1.8922 -2 12 2 4 48.24 5.68 1.8864 0 2 4 4 48.67 5.19 1.8708 4 2 0 4 48.72 5.96 1.8690 -4 2 4 4 48.90 6.90 1.8625 0 3 4 4 49.33 8.09 1.8475 4 3 0 4 49.38 8.25 1.8457 -4 3 4 4 49.81 8.04 1.8305 0 4 4 4 49.99 32.41 1.8245 2 8 2 4 50.03 32.29 1.8232 -2 8 4 4 50.12 1.08 1.8199 0 14 1 4 50.23 7.53 1.8162 4 4 0 4 50.28 4.48 1.8145 -4 4 4 4 50.34 32.86 1.8126 -4 8 2 4 50.97 8.90 1.7917 0 5 4 4 51.21 5.55 1.7837 0 13 2 4 51.32 4.95 1.7804 2 13 0 4 51.33 4.79 1.7800 -2 13 2 4 51.38 10.21 1.7783 4 5 0 4 51.43 10.12 1.7767 -4 5 4 4 52.36 6.37 1.7474 0 6 4 4 52.76 6.32 1.7350 4 6 0 4 52.81 7.72 1.7335 -4 6 4 4 52.93 1.11 1.7299 -2 2 5 4 53.55 1.22 1.7114 -2 3 5 4 54.41 1.43 1.6863 -4 7 4 4 54.56 3.21 1.6819 0 14 2 4 54.66 3.44 1.6791 2 14 0 4 54.67 3.24 1.6787 -2 14 2 4 56.08 14.95 1.6398 0 16 0 2 59.99 3.54 1.5422 0 10 4 4 60.35 3.44 1.5336 4 10 0 4 60.40 3.80 1.5326 -4 10 4 4 61.75 1.23 1.5023 0 3 5 4 62.36 4.08 1.4891 0 11 4 4 62.53 1.37 1.4854 0 4 5 4 62.72 4.57 1.4814 4 11 0 4 62.76 4.42 1.4805 -4 11 4 4 63.02 1.65 1.4751 -4 8 5 4 64.90 4.34 1.4368 0 12 4 4 65.19 1.98 1.4311 2 2 4 4 65.25 2.10 1.4300 -2 2 6 4 65.25 4.09 1.4299 4 12 0 4 65.29 2.71 1.4291 -4 12 4 4 65.46 2.28 1.4259 4 2 2 4 65.54 1.83 1.4243 -4 2 6 4 65.73 2.99 1.4205 2 3 4 4 65.79 3.02 1.4195 -2 3 6 4 65.95 2.45 1.4165 -6 2 2 4 65.98 1.83 1.4158 -6 2 4 4 66.00 2.60 1.4155 4 3 2 4 66.08 2.45 1.4139 -4 3 6 4 66.49 2.95 1.4062 -6 3 2 4 66.49 2.11 1.4062 2 4 4 4 66.52 2.71 1.4056 -6 3 4 4 66.55 1.57 1.4052 -2 4 6 4 66.75 2.55 1.4013 4 4 2 4 66.84 3.50 1.3997 -4 4 6 4 67.24 1.85 1.3923 -6 4 2 4 67.27 3.44 1.3917 -6 4 4 4 67.46 3.87 1.3883 2 5 4 4 67.51 3.80 1.3874 -2 5 6 4 67.60 1.70 1.3858 0 13 4 4 67.72 3.62 1.3837 4 5 2 4 67.80 3.44 1.3821 -4 5 6 4 67.95 2.26 1.3796 4 13 0 4 67.99 2.37 1.3788 -4 13 4 4 68.20 4.00 1.3750 -6 5 2 4 68.24 3.88 1.3744 -6 5 4 4 68.63 2.10 1.3674 2 6 4 4 68.69 2.29 1.3665 -2 6 6 4 68.89 2.21 1.3630 4 6 2 4 68.97 1.76 1.3615 -4 6 6 4 68.98 2.02 1.3615 0 18 2 4 69.06 2.22 1.3600 2 18 0 4 69.07 2.11 1.3598 -2 18 2 4 69.37 2.53 1.3547 -6 6 2 4 69.40 1.83 1.3542 -6 6 4 4 70.46 1.20 1.3364 0 14 4 4 70.80 1.15 1.3308 4 14 0 4 70.84 1.29 1.3301 -4 14 4 4 71.86 11.30 1.3138 2 16 2 4 71.89 11.10 1.3133 -2 16 4 4 72.14 11.57 1.3094 -4 16 2 4 72.85 1.52 1.2984 0 19 2 4 72.93 1.49 1.2971 2 19 0 4 72.94 1.42 1.2969 -2 19 2 4 74.69 4.45 1.2708 0 0 6 2 75.30 1.42 1.2621 2 10 4 4 75.35 1.45 1.2614 -2 10 6 4 75.44 4.89 1.2601 6 0 0 2 75.53 4.85 1.2588 -6 0 6 2 75.54 1.66 1.2586 4 10 2 4 75.62 1.32 1.2575 -4 10 6 4 76.01 1.79 1.2521 -6 10 2 4 76.04 1.37 1.2517 -6 10 4 4 76.85 1.15 1.2405 0 20 2 4 76.93 1.21 1.2393 2 20 0 4 76.94 1.45 1.2392 -2 20 2 4 77.43 1.64 1.2325 2 11 4 4 77.48 1.56 1.2319 -2 11 6 4 77.68 1.58 1.2293 4 11 2 4 77.76 1.54 1.2282 -4 11 6 4 78.14 1.74 1.2232 -6 11 2 4 78.17 1.74 1.2228 -6 11 4 4 79.76 1.27 1.2024 2 12 4 4 80.00 1.50 1.1993 4 12 2 4 80.08 2.19 1.1984 -4 12 6 4 80.45 1.12 1.1937 -6 12 2 4 80.48 2.15 1.1933 -6 12 4 4 80.98 1.89 1.1873 0 21 2 4 81.06 1.84 1.1863 2 21 0 4 81.07 1.79 1.1862 -2 21 2 4 81.17 5.20 1.1850 0 8 6 4 81.90 5.61 1.1763 6 8 0 4 81.99 5.42 1.1752 -6 8 6 4 82.26 1.08 1.1720 2 13 4 4 82.31 1.10 1.1714 -2 13 6 4 84.77 1.03 1.1436 2 8 5 4 84.83 1.44 1.1430 -2 8 7 4 89.21 2.40 1.0978 4 0 4 2 89.69 2.59 1.0932 0 24 0 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.