Fantappieite Camara F, Bellatreccia F, Della Ventura G, Mottana A, Bindi L, Gunter M E, Sebastiani M American Mineralogist 95 (2010) 472-480 Fantappieite, a new mineral of the cancrinite-sodalite group with a 33-layer stacking sequence: Occurrence and crystal structure Locality: Torre Stracciacappe, Trevignano community, Rome, Latium, Italy _database_code_amcsd 0005034 CELL PARAMETERS: 12.8742 12.8742 87.2150 90.000 90.000 120.000 SPACE GROUP: P-3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 12518.788 Density (g/cm3): 2.322 MAX. ABS. INTENSITY / VOLUME**2: 5.831530161 RIR: 0.818 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 1.01 62.16 87.2150 0 0 1 2 2.03 22.07 43.6075 0 0 2 2 3.04 60.54 29.0717 0 0 3 2 4.05 5.27 21.8037 0 0 4 2 7.99 28.86 11.0594 0 1 1 6 8.11 1.29 10.9019 0 0 8 2 8.19 5.28 10.8019 0 1 2 6 8.19 17.91 10.8019 1 0 2 6 8.49 2.92 10.4101 0 1 3 6 8.49 1.07 10.4101 1 0 3 6 8.91 1.39 9.9268 1 0 4 6 9.41 1.09 9.3943 1 0 5 6 11.35 2.20 7.7948 1 0 8 6 12.10 2.11 7.3140 0 1 9 6 12.89 33.10 6.8695 0 1 10 6 13.70 3.18 6.4614 1 0 11 6 13.76 35.21 6.4371 1 1 0 6 13.79 1.17 6.4196 1 1 1 6 13.79 1.20 6.4196 2 -1 1 6 14.09 1.39 6.2849 1 1 3 6 14.09 1.60 6.2849 2 -1 3 6 14.55 1.47 6.0885 0 1 12 6 14.55 1.57 6.0885 1 0 12 6 15.41 36.66 5.7484 0 1 13 6 15.93 1.65 5.5633 2 0 1 6 16.03 2.36 5.5297 0 2 2 6 16.30 2.18 5.4383 1 0 14 6 18.12 2.46 4.8970 0 1 16 6 18.31 1.85 4.8453 0 0 18 2 18.89 1.55 4.6971 2 0 10 6 19.04 4.79 4.6606 1 0 17 6 20.72 2.24 4.2876 2 0 13 6 20.93 1.25 4.2446 0 1 19 6 21.11 4.54 4.2092 1 2 1 6 21.11 3.70 4.2092 -1 3 1 6 21.89 7.70 4.0612 1 0 20 6 23.45 31.07 3.7944 1 2 10 6 23.45 29.17 3.7944 -1 3 10 6 23.82 4.73 3.7352 0 1 22 6 23.91 1.78 3.7211 2 1 11 6 23.91 1.58 3.7211 3 -1 11 6 23.94 100.00 3.7165 3 0 0 6 24.73 1.76 3.6006 0 3 6 6 24.80 53.30 3.5900 1 0 23 6 24.95 25.93 3.5685 1 2 13 6 24.95 25.74 3.5685 -1 3 13 6 25.52 4.46 3.4905 2 1 14 6 25.52 3.73 3.4905 3 -1 14 6 26.74 8.21 3.3339 1 2 16 6 26.74 9.32 3.3339 -1 3 16 6 26.78 2.16 3.3294 0 1 25 6 26.95 2.05 3.3089 3 0 12 6 27.39 7.97 3.2564 2 1 17 6 27.39 8.06 3.2564 3 -1 17 6 27.72 3.65 3.2185 2 2 0 6 28.47 2.07 3.1354 0 2 23 6 28.76 2.96 3.1043 1 2 19 6 28.76 2.64 3.1043 -1 3 19 6 29.48 6.11 3.0303 3 -1 20 6 29.48 6.11 3.0303 2 1 20 6 29.77 1.02 3.0012 3 1 7 6 30.04 1.38 2.9749 -1 4 8 6 30.04 1.50 2.9749 1 3 8 6 30.68 3.28 2.9145 3 1 10 6 30.68 3.18 2.9145 4 -1 10 6 30.76 3.02 2.9072 0 0 30 2 31.04 1.31 2.8809 -1 4 11 6 31.04 1.77 2.8809 1 3 11 6 32.18 1.00 2.7817 4 0 2 6 32.32 1.52 2.7695 0 3 21 6 32.53 1.71 2.7524 4 0 5 6 33.17 4.72 2.7005 4 0 8 6 33.76 37.26 2.6550 0 4 10 6 33.92 19.18 2.6429 0 0 33 2 34.10 1.79 2.6296 4 0 11 6 34.52 1.51 2.5983 0 3 24 6 34.86 7.78 2.5740 0 4 13 6 35.28 1.05 2.5443 4 0 14 6 35.59 1.22 2.5224 -1 4 20 6 36.20 2.36 2.4817 0 4 16 6 36.61 2.16 2.4545 -2 5 10 6 36.61 1.92 2.4545 2 3 10 6 36.69 1.98 2.4492 4 0 17 6 36.76 3.82 2.4448 1 1 33 6 36.76 2.82 2.4448 2 -1 33 6 36.87 2.03 2.4380 0 3 27 6 36.87 1.03 2.4380 3 0 27 6 36.95 3.74 2.4330 1 4 0 6 36.95 3.91 2.4330 4 1 0 6 37.53 2.38 2.3965 1 3 23 6 37.53 2.69 2.3965 -1 4 23 6 38.33 8.06 2.3486 4 0 20 6 39.35 1.59 2.2898 0 3 30 6 40.15 22.62 2.2459 4 0 23 6 41.81 1.26 2.1604 5 0 10 6 41.95 13.32 2.1538 0 3 33 6 41.95 5.70 2.1538 3 0 33 6 42.11 27.43 2.1457 3 3 0 6 42.64 1.17 2.1205 3 2 23 6 44.31 1.40 2.0443 4 0 29 6 44.55 1.16 2.0340 5 -2 26 6 44.55 1.40 2.0340 3 2 26 6 45.30 1.24 2.0020 1 5 1 6 45.30 1.10 2.0020 -1 6 1 6 46.53 1.15 1.9517 1 5 10 6 46.61 1.99 1.9487 4 0 32 6 47.29 1.57 1.9222 0 5 23 6 47.38 1.04 1.9188 1 5 13 6 47.38 1.23 1.9188 -1 6 13 6 48.21 1.45 1.8875 0 4 34 6 48.72 3.96 1.8691 0 1 46 6 49.02 2.36 1.8582 6 0 0 6 49.90 1.43 1.8276 -1 3 43 6 49.90 1.98 1.8276 1 2 43 6 51.02 2.00 1.7900 -1 5 33 6 51.02 2.19 1.7900 1 4 33 6 51.02 1.10 1.7900 4 1 33 6 51.16 1.28 1.7853 2 5 0 6 51.16 1.32 1.7853 5 2 0 6 51.70 1.15 1.7681 -3 7 13 6 51.70 1.08 1.7681 3 4 13 6 52.96 1.29 1.7290 1 2 46 6 55.13 1.51 1.6658 6 -3 33 6 55.13 1.08 1.6658 3 3 33 6 55.78 2.12 1.6482 6 1 13 6 55.78 1.77 1.6482 7 -1 13 6 56.08 2.82 1.6400 0 4 43 6 57.25 13.94 1.6093 4 4 0 6 58.91 3.80 1.5677 0 4 46 6 60.39 1.20 1.5328 2 1 53 6 60.95 2.59 1.5201 0 6 33 6 60.95 3.90 1.5201 6 0 33 6 62.81 1.26 1.4794 2 5 33 6 62.94 1.99 1.4768 1 7 0 6 62.94 2.02 1.4768 7 1 0 6 63.33 1.57 1.4685 -3 8 23 6 63.33 1.52 1.4685 3 5 23 6 68.14 1.67 1.3762 8 0 10 6 68.23 5.35 1.3745 8 -4 33 6 68.23 5.44 1.3745 4 4 33 6 68.80 2.64 1.3645 8 0 13 6 69.09 3.09 1.3596 4 0 56 6 69.95 1.01 1.3449 0 8 17 6 71.00 1.58 1.3275 0 8 20 6 71.38 2.88 1.3214 0 0 66 2 72.22 4.58 1.3081 0 8 23 6 73.11 1.44 1.2944 1 1 66 6 76.85 2.27 1.2404 9 -3 33 6 76.85 1.98 1.2404 6 3 33 6 76.85 1.95 1.2404 3 6 33 6 76.85 2.33 1.2404 -3 9 33 6 76.97 2.85 1.2388 9 0 0 6 86.71 1.78 1.1229 8 0 46 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.