Kircherite Camara F, Bellatreccia F, Della Ventura G, Gunter M E, Sebastiani M, Cavallo A American Mineralogist 97 (2012) 1494-1504 Kircherite, a new mineral of the cancrinite-sodalite group with a 36-layer stacking sequence: Occurrence and crystal structure Locality: Valle Biachella, Sacrofano community (Rome, Latium, Italy) _database_code_amcsd 0019258 CELL PARAMETERS: 12.8770 12.8770 95.2440 90.000 90.000 120.000 SPACE GROUP: R32 X-RAY WAVELENGTH: 1.541838 Cell Volume: 13677.215 Density (g/cm3): 2.421 MAX. ABS. INTENSITY / VOLUME**2: 5.386079519 RIR: 0.724 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 2.78 9.50 31.7480 0 0 3 2 5.57 11.05 15.8740 0 0 6 2 7.98 6.56 11.0761 1 0 1 6 8.14 10.35 10.8581 0 1 2 6 8.36 1.52 10.5827 0 0 9 2 8.76 16.05 10.0991 1 0 4 6 9.19 7.17 9.6239 0 1 5 6 10.87 6.27 8.1389 0 1 8 6 12.22 5.67 7.2425 1 0 10 6 12.94 17.55 6.8391 0 1 11 6 13.75 25.45 6.4385 1 1 0 3 14.85 3.73 5.9664 1 1 6 6 15.26 20.15 5.8077 0 1 14 6 16.11 2.22 5.5005 1 1 9 6 16.33 2.50 5.4290 0 2 4 6 16.57 2.00 5.3514 2 0 5 6 16.88 8.59 5.2514 1 0 16 6 17.56 1.05 5.0495 2 0 8 6 17.72 10.81 5.0063 0 1 17 6 17.74 1.08 5.0002 1 1 12 6 18.93 2.23 4.6879 2 0 11 6 19.41 1.71 4.5722 1 0 19 6 19.57 1.31 4.5354 0 0 21 2 20.60 3.15 4.3125 2 0 14 6 21.16 2.76 4.1986 1 2 2 6 21.41 2.43 4.1505 2 1 4 6 21.74 2.11 4.0880 1 1 18 6 22.02 8.20 4.0358 1 0 22 6 22.08 1.08 4.0262 2 1 7 6 22.38 3.25 3.9733 1 2 8 6 22.91 4.22 3.8820 0 1 23 6 23.47 74.22 3.7898 1 2 11 6 23.94 100.00 3.7173 3 0 0 6 24.00 1.72 3.7078 1 1 21 6 24.36 6.88 3.6535 2 1 13 6 24.69 63.98 3.6052 1 0 25 6 24.85 59.45 3.5830 1 2 14 6 25.40 1.64 3.5072 0 3 9 6 25.60 1.41 3.4803 0 1 26 6 25.90 5.23 3.4400 2 1 16 6 26.46 12.28 3.3682 1 2 17 6 26.48 2.37 3.3664 3 0 12 6 27.65 22.46 3.2261 2 1 19 6 27.71 3.96 3.2192 2 2 0 3 27.81 1.02 3.2080 3 0 15 6 28.28 10.89 3.1563 1 2 20 6 28.37 3.18 3.1456 0 2 25 6 29.58 15.14 3.0200 2 1 22 6 29.62 1.47 3.0160 1 3 7 6 29.85 2.80 2.9936 3 1 8 6 30.26 1.06 2.9540 1 2 23 6 30.39 4.30 2.9417 1 3 10 6 30.70 11.46 2.9127 3 1 11 6 30.98 4.21 2.8862 0 0 33 2 31.11 1.85 2.8750 0 3 21 6 31.39 1.70 2.8494 1 3 13 6 31.66 2.11 2.8263 2 1 25 6 31.78 2.31 2.8156 3 1 14 6 32.12 2.10 2.7868 4 0 1 6 32.16 1.22 2.7832 0 4 2 6 32.33 1.21 2.7690 4 0 4 6 32.56 1.34 2.7502 2 2 18 6 32.63 2.65 2.7446 1 3 16 6 32.79 2.12 2.7312 4 0 7 6 33.02 1.04 2.7130 0 3 24 6 33.08 1.27 2.7077 3 1 17 6 33.49 3.66 2.6757 4 0 10 6 33.78 41.81 2.6538 0 4 11 6 33.88 23.28 2.6457 0 0 36 2 34.04 1.73 2.6337 1 1 33 6 34.42 1.27 2.6057 4 0 13 6 34.78 9.35 2.5797 0 4 14 6 35.07 2.01 2.5588 0 3 27 6 35.28 1.28 2.5438 3 2 4 6 35.56 1.90 2.5248 4 0 16 6 35.68 3.24 2.5167 1 3 22 6 35.98 3.63 2.4960 0 4 17 6 36.25 1.60 2.4780 3 1 23 6 36.63 5.09 2.4535 2 3 11 6 36.73 8.16 2.4471 1 1 36 6 36.89 1.61 2.4365 4 0 19 6 36.94 8.00 2.4335 4 1 0 6 37.25 1.39 2.4142 0 3 30 6 37.25 1.10 2.4142 3 0 30 6 37.45 7.00 2.4012 1 3 25 6 38.40 6.41 2.3440 4 0 22 6 39.53 1.92 2.2797 0 3 33 6 40.08 23.36 2.2499 4 0 25 6 41.91 15.90 2.1555 0 3 36 6 41.91 4.97 2.1555 3 0 36 6 42.05 2.74 2.1490 2 2 33 6 42.10 27.21 2.1462 3 3 0 3 42.57 1.79 2.1239 3 2 25 6 43.19 1.09 2.0947 4 2 5 6 44.30 2.45 2.0446 3 2 28 6 44.38 1.28 2.0411 3 0 39 6 45.29 1.06 2.0025 5 1 1 6 45.32 1.52 2.0012 1 5 2 6 45.92 1.81 1.9761 4 0 34 6 46.01 1.03 1.9726 4 2 17 6 46.54 1.70 1.9514 1 5 11 6 46.83 1.21 1.9402 2 3 32 6 47.20 1.52 1.9256 1 2 44 6 47.22 1.88 1.9248 0 5 25 6 47.31 1.74 1.9214 1 5 14 6 48.11 1.12 1.8913 4 0 37 6 48.48 4.40 1.8777 0 1 50 6 48.86 1.24 1.8639 0 4 38 6 48.96 1.91 1.8605 1 4 33 6 48.96 1.40 1.8605 4 1 33 6 48.97 1.36 1.8600 5 1 19 6 49.01 1.10 1.8586 6 0 0 6 49.02 1.13 1.8584 2 1 46 6 49.94 3.39 1.8264 1 2 47 6 50.19 1.43 1.8178 5 1 22 6 50.91 2.28 1.7936 3 4 11 6 50.99 4.63 1.7911 1 4 36 6 50.99 2.68 1.7911 4 1 36 6 51.15 4.27 1.7857 5 2 0 6 51.63 2.16 1.7702 3 4 14 6 52.73 1.81 1.7358 1 2 50 6 53.18 1.34 1.7222 3 3 33 6 54.34 1.19 1.6882 4 3 22 6 55.10 2.19 1.6667 3 3 36 6 55.63 1.34 1.6520 4 3 25 6 55.71 3.01 1.6499 6 1 14 6 56.11 3.33 1.6392 0 4 47 6 56.76 2.09 1.6220 3 1 50 6 57.23 13.60 1.6096 4 4 0 3 58.07 1.31 1.5885 2 3 47 6 58.29 1.62 1.5829 1 6 22 6 58.70 5.16 1.5728 0 4 50 6 58.95 1.08 1.5668 0 7 11 6 58.95 1.04 1.5668 5 3 11 6 60.51 2.22 1.5301 2 1 58 6 60.85 1.48 1.5224 2 6 11 6 60.92 2.61 1.5209 0 6 36 6 60.92 3.97 1.5209 6 0 36 6 61.69 1.37 1.5035 0 2 61 6 62.78 2.41 1.4801 2 5 36 6 62.92 3.38 1.4771 7 1 0 6 63.27 2.91 1.4698 3 5 25 6 63.54 1.76 1.4641 2 1 61 6 67.81 1.01 1.3820 3 2 58 6 68.13 2.33 1.3763 8 0 11 6 68.20 13.06 1.3751 4 4 36 6 68.74 3.29 1.3656 8 0 14 6 68.93 3.45 1.3623 4 0 61 6 69.49 1.26 1.3527 8 0 17 6 70.06 1.12 1.3430 0 8 19 6 70.42 1.57 1.3370 5 4 25 6 71.04 1.33 1.3269 0 8 22 6 71.29 3.29 1.3228 0 0 72 2 71.41 1.86 1.3209 3 4 50 6 72.16 5.03 1.3091 0 8 25 6 73.02 2.15 1.2958 1 1 72 6 73.42 1.48 1.2897 1 7 36 6 73.42 1.76 1.2897 7 1 36 6 76.82 4.10 1.2409 3 6 36 6 76.82 3.58 1.2409 6 3 36 6 76.95 2.72 1.2391 9 0 0 6 77.27 1.20 1.2348 8 1 25 6 77.52 1.38 1.2314 5 1 61 6 86.52 2.02 1.1249 8 0 50 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.