Capranicaite Callegari A M, Boiocchi M, Bellatreccia F, Caprilli E, Medenbach O, Cavallo A Mineralogical Magazine 75 (2011) 33-43 Capranicaite, (K,_)(Ca,Na)Al4B4Si2O18: a new inosilicate from Capranica, Italy, with a peculiar topology of the periodic single chain [Si2O6] Locality: Vico volcanic complex, Capranica, Viterbo Province, Latium, Italy _database_code_amcsd 0018373 CELL PARAMETERS: 4.8507 16.6156 20.5445 90.000 90.245 90.000 SPACE GROUP: P2_1/n X-RAY WAVELENGTH: 1.541838 Cell Volume: 1655.816 Density (g/cm3): 2.404 MAX. ABS. INTENSITY / VOLUME**2: 5.429071069 RIR: 0.735 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.61 67.33 10.2722 0 0 2 2 10.65 13.54 8.3078 0 2 0 2 11.49 24.46 7.7019 0 2 1 4 13.71 12.57 6.4596 0 2 2 4 16.78 10.31 5.2843 0 2 3 4 17.27 3.66 5.1361 0 0 4 2 18.78 3.68 4.7254 -1 0 1 2 18.82 2.21 4.7163 1 0 1 2 20.33 5.91 4.3686 0 2 4 4 21.21 8.87 4.1889 1 2 0 4 21.64 48.46 4.1074 -1 2 1 4 21.67 47.33 4.1015 1 2 1 4 21.83 5.76 4.0715 0 4 1 4 22.51 1.86 3.9503 1 0 3 2 22.90 1.68 3.8838 -1 2 2 4 22.96 2.06 3.8738 1 2 2 4 24.16 3.60 3.6830 0 2 5 4 24.39 2.87 3.6490 1 3 0 4 24.96 1.03 3.5675 1 2 3 4 25.07 4.83 3.5516 0 4 3 4 25.88 2.37 3.4420 -1 3 2 4 25.94 2.40 3.4350 1 3 2 4 26.02 100.00 3.4241 0 0 6 2 27.43 42.76 3.2521 -1 2 4 4 27.53 42.71 3.2403 1 2 4 4 27.62 62.87 3.2298 0 4 4 4 28.19 1.21 3.1657 0 2 6 4 28.29 1.42 3.1551 1 4 0 4 28.41 3.07 3.1419 -1 0 5 2 28.53 2.28 3.1286 1 0 5 2 28.61 13.86 3.1198 -1 4 1 4 28.64 11.70 3.1172 1 4 1 4 29.60 1.20 3.0184 -1 4 2 4 29.64 1.58 3.0137 1 4 2 4 29.99 1.54 2.9792 -1 3 4 4 30.09 1.55 2.9702 1 3 4 4 30.42 2.65 2.9387 -1 2 5 4 30.53 2.99 2.9279 1 2 5 4 30.60 15.67 2.9212 0 4 5 4 31.18 5.77 2.8686 -1 4 3 4 31.25 3.66 2.8626 1 4 3 4 32.33 3.40 2.7693 0 6 0 2 32.63 1.70 2.7444 0 6 1 4 33.52 1.07 2.6738 0 6 2 4 33.75 13.01 2.6559 -1 2 6 4 33.87 11.74 2.6463 1 2 6 4 33.93 6.34 2.6421 0 4 6 4 35.84 3.24 2.5058 -1 4 5 4 35.94 5.13 2.4991 1 4 5 4 37.07 24.47 2.4253 2 0 0 2 37.35 3.40 2.4078 -1 2 7 4 37.39 24.28 2.4049 1 6 0 4 37.48 3.24 2.3995 1 2 7 4 38.09 1.20 2.3627 -2 0 2 2 38.16 9.75 2.3582 2 0 2 2 38.42 5.49 2.3427 -1 6 2 4 38.46 13.61 2.3405 1 6 2 4 41.09 9.95 2.1967 -2 0 4 2 41.16 7.85 2.1930 -1 2 8 4 41.23 1.59 2.1895 2 0 4 2 41.30 7.75 2.1858 1 2 8 4 41.33 14.22 2.1843 0 4 8 4 41.42 11.79 2.1798 -1 6 4 4 41.49 7.72 2.1762 1 6 4 4 43.19 2.17 2.0945 2 4 0 4 43.41 3.21 2.0844 -2 4 1 4 43.45 3.71 2.0829 2 4 1 4 43.58 2.49 2.0770 0 8 0 2 43.81 1.88 2.0664 0 8 1 4 44.08 1.50 2.0544 0 0 10 2 44.10 3.10 2.0537 -2 4 2 4 44.16 2.78 2.0508 2 4 2 4 44.51 1.52 2.0358 0 8 2 4 45.23 2.19 2.0049 -2 4 3 4 45.33 2.30 2.0008 2 4 3 4 45.33 1.85 2.0005 0 4 9 4 45.48 1.11 1.9944 0 2 10 4 45.64 3.59 1.9875 0 8 3 4 46.17 5.74 1.9661 1 6 6 4 46.78 6.22 1.9419 -2 4 4 4 46.91 6.47 1.9369 2 4 4 4 47.20 6.39 1.9255 0 8 4 4 49.15 1.18 1.8536 0 8 5 4 49.20 2.94 1.8519 -1 4 9 4 49.99 2.47 1.8245 2 6 0 4 50.06 1.12 1.8222 0 2 11 4 51.73 1.87 1.7670 -2 0 8 2 51.97 8.06 1.7595 2 0 8 2 52.04 7.67 1.7572 -1 6 8 4 53.53 10.28 1.7120 0 0 12 2 53.66 2.66 1.7081 -1 2 11 4 53.82 2.68 1.7035 1 2 11 4 53.82 5.45 1.7034 0 4 11 4 58.29 4.53 1.5829 -3 2 1 4 58.29 1.00 1.5829 0 4 12 4 58.33 1.33 1.5819 3 2 1 4 58.37 1.13 1.5809 0 10 4 4 58.71 1.56 1.5726 2 8 1 4 58.92 1.88 1.5675 3 2 2 4 58.93 1.01 1.5672 1 10 1 4 59.05 5.51 1.5643 2 0 10 2 59.08 17.27 1.5637 -1 6 10 4 59.21 1.71 1.5604 1 6 10 4 60.16 1.60 1.5382 -2 8 3 4 60.24 2.06 1.5364 2 8 3 4 60.24 1.13 1.5362 0 8 9 4 60.40 1.49 1.5325 -1 10 3 4 60.44 2.07 1.5316 1 10 3 4 61.19 4.77 1.5146 3 2 4 4 61.44 5.70 1.5092 -2 8 4 4 61.54 1.10 1.5068 2 8 4 4 61.69 7.02 1.5037 -1 10 4 4 61.71 1.20 1.5032 -3 4 1 4 61.74 1.72 1.5025 1 10 4 4 62.76 2.13 1.4804 -1 2 13 4 62.94 2.06 1.4768 1 2 13 4 63.38 1.02 1.4675 1 10 5 4 63.47 1.13 1.4657 -1 8 9 4 64.86 1.44 1.4376 3 2 6 4 66.90 1.50 1.3985 -3 2 7 4 67.01 1.09 1.3965 -2 4 11 4 67.02 9.80 1.3963 3 6 0 4 67.05 1.30 1.3959 2 0 12 2 67.29 1.09 1.3914 2 4 11 4 67.44 1.94 1.3888 0 8 11 4 67.67 6.54 1.3846 0 12 0 2 67.69 2.72 1.3843 -3 6 2 4 67.76 2.33 1.3829 3 6 2 4 70.09 1.32 1.3425 2 8 8 4 70.25 1.30 1.3399 1 10 8 4 70.98 1.29 1.3279 -2 4 12 4 71.27 1.03 1.3231 2 4 12 4 71.40 1.27 1.3211 0 8 12 4 72.53 1.19 1.3032 -1 2 15 4 72.72 1.46 1.3004 1 2 15 4 73.80 1.66 1.2840 0 0 16 2 73.82 1.70 1.2836 0 12 6 4 75.93 1.24 1.2532 2 0 14 2 78.95 1.42 1.2127 4 0 0 2 79.63 1.29 1.2039 -2 4 14 4 79.67 1.14 1.2035 2 8 11 4 79.75 2.52 1.2025 2 12 0 4 79.97 1.31 1.1997 2 4 14 4 83.58 1.84 1.1568 -3 6 10 4 83.93 2.33 1.1529 3 6 10 4 85.45 1.66 1.1363 -4 4 4 4 86.07 1.92 1.1296 3 10 4 4 86.55 1.34 1.1246 1 14 4 4 88.63 1.11 1.1035 -4 4 6 4 89.79 1.07 1.0922 1 14 6 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.