Piergorite-(Ce) Boiocchi M, Callegari A, Ottolini L American Mineralogist 91 (2006) 1170-1177 The crystal structure of piergorite-(Ce), Ca8Ce2(Al0.5Fe3+0.5)Sum1(X,Li,Be)2Si6B8O36(OH,F)2: A new borosilicate from Vetralla, Italy, with a modified hellandite-type chain Locality: Vetralla, Italy _database_code_amcsd 0004179 CELL PARAMETERS: 28.0970 4.7770 10.2360 90.000 96.810 90.000 SPACE GROUP: P2/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 1364.177 Density (g/cm3): 3.601 MAX. ABS. INTENSITY / VOLUME**2: 6.211835346 RIR: 0.562 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 6.34 62.65 13.9494 2 0 0 2 8.70 4.91 10.1638 0 0 1 2 10.14 17.92 8.7215 -2 0 1 2 12.69 12.23 6.9747 4 0 0 2 14.53 18.75 6.0981 -4 0 1 2 16.24 5.57 5.4569 4 0 1 2 17.45 2.99 5.0819 0 0 2 2 18.57 29.31 4.7770 0 1 0 2 19.09 6.89 4.6498 6 0 0 2 19.28 1.03 4.6026 2 0 2 2 19.64 35.41 4.5193 2 1 0 4 20.04 9.73 4.4318 -6 0 1 2 20.54 1.34 4.3233 0 1 1 4 21.21 3.49 4.1897 -2 1 1 4 21.94 5.14 4.0505 6 0 1 2 22.23 1.13 3.9982 -3 1 1 4 22.56 14.86 3.9412 4 1 0 4 22.84 2.69 3.8934 4 0 2 2 23.12 3.66 3.8469 3 1 1 4 23.66 6.25 3.7605 -4 1 1 4 24.37 1.31 3.6530 -6 0 2 2 25.53 1.63 3.4889 -1 1 2 4 25.59 64.45 3.4806 0 1 2 4 25.87 5.48 3.4434 -2 1 2 4 26.01 11.41 3.4256 -8 0 1 2 26.31 10.55 3.3879 0 0 3 2 26.32 7.96 3.3856 -2 0 3 2 26.76 93.62 3.3320 6 1 0 4 26.90 20.50 3.3145 2 1 2 4 27.45 13.29 3.2489 -6 1 1 4 27.49 2.27 3.2443 6 0 2 2 27.70 3.97 3.2206 -4 1 2 4 27.83 18.37 3.2062 2 0 3 2 27.88 14.60 3.2002 -4 0 3 2 28.02 12.68 3.1847 8 0 1 2 28.09 1.09 3.1762 3 1 2 4 29.18 2.82 3.0603 7 1 0 4 29.60 88.92 3.0180 4 1 2 4 30.67 3.97 2.9146 4 0 3 2 30.76 4.31 2.9072 -6 0 3 2 30.81 100.00 2.9018 -6 1 2 4 31.77 9.80 2.8166 8 1 0 4 32.08 3.70 2.7899 10 0 0 2 32.15 98.08 2.7838 -8 1 1 4 32.82 3.81 2.7284 8 0 2 2 33.39 3.33 2.6838 6 1 2 4 33.67 98.20 2.6622 2 1 3 4 33.71 97.02 2.6587 -4 1 3 4 33.83 95.68 2.6498 8 1 1 4 34.33 4.20 2.6125 10 0 1 2 34.49 1.27 2.6004 9 1 0 4 34.66 2.80 2.5882 -8 0 3 2 34.91 1.08 2.5701 -8 1 2 4 35.14 12.49 2.5538 -2 0 4 2 36.10 4.43 2.4881 4 1 3 4 36.16 5.78 2.4841 -4 0 4 2 36.17 3.75 2.4834 -6 1 3 4 37.33 1.64 2.4091 10 1 0 4 37.66 16.43 2.3885 0 2 0 2 37.98 1.73 2.3692 8 1 2 4 38.23 2.70 2.3542 2 2 0 4 38.30 17.84 2.3501 -6 0 4 2 38.61 21.81 2.3317 10 0 2 2 38.78 2.77 2.3223 -1 2 1 4 38.96 7.11 2.3119 1 2 1 4 39.10 2.22 2.3037 -2 2 1 4 39.14 13.14 2.3013 4 0 4 2 39.31 3.81 2.2921 10 1 1 4 39.51 1.28 2.2807 6 1 3 4 39.60 1.61 2.2757 -8 1 3 4 39.70 5.07 2.2703 -3 2 1 4 39.73 2.28 2.2687 -10 1 2 4 39.90 2.09 2.2597 4 2 0 4 39.98 24.56 2.2551 -1 1 4 4 40.23 1.64 2.2415 3 2 1 4 40.26 26.00 2.2401 11 1 0 4 40.56 3.24 2.2240 -4 2 1 4 40.68 2.23 2.2176 1 1 4 4 40.72 22.68 2.2159 -12 0 2 2 40.83 3.90 2.2101 12 0 1 2 40.95 2.58 2.2039 -4 1 4 4 41.11 4.48 2.1958 5 2 0 4 41.53 24.18 2.1746 7 1 3 4 41.63 24.05 2.1697 -9 1 3 4 41.75 2.89 2.1636 -1 2 2 4 41.79 1.14 2.1616 0 2 2 4 42.43 3.12 2.1305 3 1 4 4 42.55 1.07 2.1246 6 2 0 4 42.65 1.81 2.1200 2 2 2 4 42.89 10.51 2.1087 -6 1 4 4 43.02 3.76 2.1026 -6 2 1 4 43.17 8.35 2.0954 10 1 2 4 43.28 1.04 2.0905 12 1 0 4 43.66 4.50 2.0733 4 1 4 4 44.21 1.16 2.0488 7 2 0 4 44.21 1.10 2.0488 -7 1 4 4 44.50 5.45 2.0359 4 2 2 4 45.10 12.75 2.0102 -12 1 2 4 45.21 4.83 2.0058 12 1 1 4 45.37 2.23 1.9991 -6 2 2 4 45.87 2.30 1.9783 2 0 5 2 46.07 1.74 1.9703 9 1 3 4 46.18 2.10 1.9657 -11 1 3 4 46.27 1.96 1.9621 -13 1 1 4 46.34 31.34 1.9593 -8 2 1 4 46.96 6.95 1.9348 -14 0 2 2 47.26 2.04 1.9234 6 2 2 4 47.47 42.10 1.9154 2 2 3 4 47.50 37.99 1.9141 -4 2 3 4 47.53 4.65 1.9132 14 0 1 2 47.59 39.24 1.9108 8 2 1 4 48.09 2.09 1.8922 4 0 5 2 48.09 1.38 1.8920 9 2 0 4 48.29 1.79 1.8848 13 1 1 4 48.41 1.75 1.8803 -8 2 2 4 49.33 2.85 1.8474 4 2 3 4 49.38 2.56 1.8455 -6 2 3 4 49.39 2.05 1.8451 -10 1 4 4 49.56 2.39 1.8392 14 1 0 4 49.69 2.36 1.8348 -5 1 5 4 49.89 2.59 1.8278 2 1 5 4 49.93 8.45 1.8265 -12 0 4 2 50.15 6.93 1.8190 12 0 3 2 50.29 7.24 1.8142 -14 0 3 2 50.40 1.12 1.8105 -10 2 1 4 50.80 2.60 1.7972 8 2 2 4 50.92 3.53 1.7933 -14 1 2 4 51.13 13.14 1.7864 6 0 5 2 51.43 12.32 1.7766 10 0 4 2 51.45 3.52 1.7760 14 1 1 4 51.87 2.93 1.7628 10 2 1 4 51.98 2.48 1.7592 4 1 5 4 52.03 1.07 1.7576 6 2 3 4 52.11 2.14 1.7553 -8 2 3 4 52.21 1.69 1.7521 -10 2 2 4 52.45 8.09 1.7444 -2 2 4 4 52.46 13.70 1.7443 -10 0 5 2 52.48 14.83 1.7437 16 0 0 2 53.20 3.04 1.7217 -4 2 4 4 53.33 1.12 1.7179 5 1 5 4 53.50 9.92 1.7128 -16 0 2 2 53.67 1.25 1.7076 7 2 3 4 53.73 15.82 1.7061 -12 1 4 4 53.73 19.28 1.7060 -2 0 6 2 53.94 3.33 1.6999 12 1 3 4 54.07 2.77 1.6960 -14 1 3 4 54.43 2.87 1.6856 16 0 1 2 54.80 14.58 1.6752 -6 2 4 4 54.87 8.23 1.6733 6 1 5 4 55.04 19.43 1.6685 10 2 2 4 55.13 3.41 1.6660 12 2 0 4 55.16 23.18 1.6652 10 1 4 4 55.44 17.94 1.6572 4 2 4 4 55.91 1.10 1.6446 -7 2 4 4 56.13 10.16 1.6385 -10 1 5 4 56.15 21.78 1.6380 16 1 0 4 56.66 27.81 1.6245 -12 2 2 4 56.67 2.01 1.6243 5 2 4 4 56.75 4.54 1.6222 12 2 1 4 56.75 2.13 1.6221 12 0 4 2 57.13 2.42 1.6123 -16 1 2 4 57.21 1.39 1.6103 -8 2 4 4 57.35 31.59 1.6066 -2 1 6 4 57.49 7.49 1.6031 4 0 6 2 57.60 6.13 1.6001 -8 0 6 2 57.75 1.59 1.5966 0 1 6 4 57.78 2.19 1.5956 -4 1 6 4 57.91 5.04 1.5923 16 0 2 2 57.91 11.85 1.5923 0 3 0 2 58.02 2.94 1.5895 16 1 1 4 58.96 1.88 1.5665 2 1 6 4 59.04 1.97 1.5647 -6 1 6 4 59.66 1.09 1.5499 -3 2 5 4 60.00 2.49 1.5418 -12 1 5 4 60.25 4.83 1.5360 12 1 4 4 60.98 3.24 1.5195 0 3 2 4 61.14 1.47 1.5157 -14 0 5 2 61.56 4.22 1.5064 6 3 0 4 61.59 1.34 1.5058 18 0 1 2 61.63 1.03 1.5048 2 3 2 4 61.70 3.53 1.5034 -14 2 2 4 61.92 1.08 1.4985 -6 3 1 4 62.17 1.91 1.4932 14 2 1 4 62.55 1.24 1.4849 14 0 4 2 62.85 1.47 1.4787 7 3 0 4 63.08 5.07 1.4738 4 3 2 4 63.16 1.08 1.4720 -15 2 1 4 63.71 2.74 1.4607 -18 1 2 4 63.76 5.53 1.4597 -6 3 2 4 64.38 1.45 1.4471 12 2 3 4 64.50 2.79 1.4447 -14 2 3 4 64.50 3.06 1.4447 -14 1 5 4 64.54 6.85 1.4440 -8 3 1 4 64.93 2.13 1.4362 18 1 1 4 65.22 3.48 1.4306 6 2 5 4 65.44 10.39 1.4261 2 3 3 4 65.47 9.52 1.4256 -4 3 3 4 65.48 1.15 1.4255 10 2 4 4 65.54 8.60 1.4242 8 3 1 4 65.87 5.27 1.4180 14 1 4 4 66.36 5.05 1.4087 -10 2 5 4 66.36 1.01 1.4086 -16 0 5 2 66.38 1.55 1.4083 16 2 0 4 66.58 1.15 1.4046 -20 0 1 2 66.97 1.16 1.3974 4 3 3 4 67.26 3.76 1.3919 -16 2 2 4 67.47 3.20 1.3882 -2 2 6 4 68.08 1.48 1.3772 16 2 1 4 68.82 1.50 1.3642 16 0 4 2 69.37 1.18 1.3547 -10 3 2 4 69.54 1.28 1.3518 -1 3 4 4 69.58 1.53 1.3511 -16 1 5 4 69.73 1.55 1.3486 11 3 0 4 70.09 3.49 1.3426 -18 1 4 4 70.68 1.29 1.3327 -20 1 2 4 70.68 1.44 1.3327 -9 3 3 4 70.78 3.73 1.3311 4 2 6 4 70.89 3.66 1.3294 -8 2 6 4 71.16 3.00 1.3249 16 2 2 4 72.48 7.06 1.3040 -10 1 7 4 72.79 8.34 1.2993 18 1 3 4 72.95 8.87 1.2968 -20 1 3 4 73.30 9.03 1.2915 6 1 7 4 73.67 1.17 1.2859 -8 3 4 4 74.13 3.66 1.2790 -2 0 8 2 74.26 1.03 1.2771 -22 0 1 2 74.88 5.58 1.2681 22 0 0 2 75.23 1.15 1.2631 -18 1 5 4 75.45 1.77 1.2600 20 1 2 4 76.02 1.70 1.2519 2 0 8 2 76.73 2.41 1.2420 -8 0 8 2 76.85 1.23 1.2404 2 3 5 4 77.34 1.46 1.2338 -22 1 1 4 77.66 1.20 1.2295 -14 3 2 4 78.08 2.98 1.2239 14 3 1 4 78.29 5.57 1.2212 14 0 6 2 78.56 6.05 1.2177 -18 0 6 2 79.93 3.37 1.2003 -12 3 4 4 80.10 3.36 1.1981 12 3 3 4 80.21 3.03 1.1968 -14 3 3 4 80.41 7.41 1.1942 0 4 0 2 80.87 5.18 1.1887 6 3 5 4 81.10 5.96 1.1858 10 3 4 4 81.32 1.61 1.1831 14 1 6 4 81.44 1.10 1.1817 -20 1 5 4 81.59 2.13 1.1799 -18 1 6 4 81.68 7.13 1.1789 -10 2 7 4 81.92 6.27 1.1760 -10 3 5 4 81.94 7.12 1.1758 16 3 0 4 81.97 7.82 1.1754 18 2 3 4 82.13 7.28 1.1735 -20 2 3 4 82.37 2.42 1.1707 -24 0 1 2 82.47 8.20 1.1696 6 2 7 4 82.76 1.82 1.1662 -16 3 2 4 82.95 11.05 1.1641 -2 3 6 4 83.16 1.22 1.1616 22 1 2 4 83.52 1.58 1.1575 16 3 1 4 83.56 3.09 1.1571 -22 1 4 4 84.55 2.45 1.1460 20 2 2 4 85.37 1.74 1.1371 12 1 7 4 85.37 3.08 1.1371 -24 1 1 4 85.44 1.18 1.1363 12 3 4 4 85.64 1.10 1.1342 18 1 5 4 86.10 2.11 1.1293 0 0 9 2 86.18 1.68 1.1285 -6 0 9 2 86.26 1.74 1.1277 -8 4 1 4 86.27 1.56 1.1275 -2 2 8 4 86.39 1.17 1.1262 -22 2 1 4 86.99 2.25 1.1201 22 2 0 4 87.08 2.12 1.1191 2 4 3 4 87.10 1.85 1.1189 -4 4 3 4 87.13 5.34 1.1187 8 1 8 4 87.17 1.43 1.1182 8 4 1 4 88.10 2.03 1.1088 2 2 8 4 88.11 1.52 1.1086 24 1 1 4 88.18 1.19 1.1079 -24 0 4 2 88.65 6.20 1.1033 -14 1 8 4 88.79 2.38 1.1019 -8 2 8 4 89.09 3.77 1.0990 0 1 9 4 89.16 3.28 1.0983 -6 1 9 4 89.21 1.30 1.0979 -14 3 5 4 89.60 1.36 1.0941 18 3 1 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.