Piemontite Bonazzi P, Garbarino C, Menchetti S European Journal of Mineralogy 4 (1992) 23-33 Crystal chemistry of piemontites: REE-bearing piemontite from Monte Brugiana, Alpi Apuane, Italy Sample: BR2P Locality: Monte Brugiana, Alpi Apuane, Italy _database_code_amcsd 0006436 CELL PARAMETERS: 8.8570 5.6710 10.1560 90.000 115.290 90.000 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 461.225 Density (g/cm3): 3.575 MAX. ABS. INTENSITY / VOLUME**2: 9.283110019 RIR: 0.846 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.05 17.06 8.0081 1 0 0 2 17.69 28.90 5.0129 -1 0 2 2 18.39 4.26 4.8250 0 1 1 4 19.18 1.77 4.6281 1 1 0 4 19.23 2.30 4.6162 -1 1 1 4 19.33 4.73 4.5913 0 0 2 2 22.20 6.62 4.0041 2 0 0 2 22.37 27.26 3.9735 -2 0 2 2 23.57 2.84 3.7752 1 1 1 4 25.52 25.72 3.4903 -2 1 1 4 26.17 18.25 3.4046 1 0 2 2 27.85 13.43 3.2030 2 0 1 2 29.18 2.48 3.0609 0 0 3 2 30.62 2.21 2.9193 -3 0 1 2 30.72 26.58 2.9103 -3 0 2 2 30.79 100.00 2.9041 -1 1 3 4 31.55 31.21 2.8355 0 2 0 2 32.09 12.72 2.7889 2 1 1 4 32.34 1.92 2.7683 -2 1 3 4 33.26 27.98 2.6936 0 1 3 4 33.53 30.97 2.6729 1 2 0 4 33.57 19.03 2.6694 3 0 0 2 33.84 1.12 2.6490 -3 0 3 2 34.56 43.18 2.5955 -3 1 1 4 34.64 1.48 2.5893 -3 1 2 4 35.49 21.62 2.5295 2 0 2 2 35.79 6.94 2.5089 -1 0 4 2 36.40 18.14 2.4680 -1 2 2 4 37.27 25.51 2.4125 0 2 2 4 37.47 26.30 2.4001 -3 1 3 4 37.67 5.81 2.3879 -2 2 1 4 38.92 1.63 2.3140 2 2 0 4 38.99 2.18 2.3101 2 1 2 4 39.02 17.82 2.3081 -2 2 2 4 39.09 6.36 2.3046 1 1 3 4 39.27 1.33 2.2944 -1 1 4 4 39.30 3.08 2.2925 -2 1 4 4 39.34 2.50 2.2901 -3 0 4 2 41.44 1.63 2.1788 1 2 2 4 41.57 6.26 2.1726 -1 2 3 4 41.88 16.66 2.1573 -4 0 1 2 42.07 2.06 2.1477 -4 0 3 2 42.48 2.95 2.1279 0 1 4 4 42.58 19.34 2.1231 2 2 1 4 42.78 18.21 2.1140 -2 2 3 4 43.51 15.38 2.0801 0 2 3 4 43.90 1.21 2.0625 -4 1 2 4 44.26 7.24 2.0463 2 0 3 2 44.55 4.06 2.0340 -3 2 1 4 45.30 6.60 2.0020 4 0 0 2 46.53 1.50 1.9516 -3 0 5 2 47.22 3.69 1.9248 2 1 3 4 48.21 6.88 1.8876 2 2 2 4 48.42 5.42 1.8801 1 1 4 4 48.45 6.21 1.8790 -1 2 4 4 48.47 13.89 1.8779 -2 2 4 4 48.61 1.80 1.8729 -1 1 5 4 48.93 2.35 1.8615 3 1 2 4 49.55 1.41 1.8398 1 3 0 4 51.20 5.07 1.7842 0 2 4 4 51.80 5.11 1.7648 -5 0 2 2 52.37 1.82 1.7472 0 1 5 4 52.43 4.26 1.7451 -4 2 2 4 52.65 3.24 1.7386 -2 3 1 4 53.82 7.54 1.7033 -4 1 5 4 53.85 2.40 1.7023 2 0 4 2 54.26 2.56 1.6906 -2 0 6 2 54.45 2.01 1.6851 -5 1 2 4 54.55 1.41 1.6822 -5 1 3 4 54.95 2.65 1.6710 -3 0 6 2 55.71 11.32 1.6500 -1 3 3 4 55.94 1.56 1.6436 1 0 5 2 56.16 13.18 1.6378 -1 0 6 2 56.25 4.66 1.6355 4 2 0 4 56.31 10.44 1.6337 -5 1 1 4 56.44 2.16 1.6304 2 1 4 4 56.44 9.08 1.6304 1 2 4 4 56.53 2.07 1.6280 2 3 1 4 56.56 21.45 1.6271 -4 2 4 4 56.61 1.24 1.6259 -5 1 4 4 56.83 1.22 1.6201 -2 1 6 4 56.90 8.18 1.6182 3 2 2 4 57.28 4.38 1.6083 0 3 3 4 58.14 9.68 1.5867 -3 3 1 4 58.17 11.99 1.5859 -4 0 6 2 58.20 1.04 1.5853 -3 3 2 4 58.46 5.67 1.5786 1 1 5 4 60.02 3.14 1.5413 5 1 0 4 60.03 6.27 1.5412 4 1 2 4 60.13 4.27 1.5387 -3 3 3 4 60.49 1.76 1.5304 0 0 6 2 61.35 1.92 1.5110 -4 2 5 4 61.93 1.04 1.4983 -5 2 2 4 62.97 1.04 1.4761 -6 0 3 2 63.66 1.32 1.4618 -5 2 1 4 63.67 1.35 1.4614 -5 0 6 2 63.77 3.33 1.4595 2 2 4 4 63.77 2.29 1.4594 3 0 4 2 63.93 11.27 1.4562 -5 2 4 4 63.98 5.09 1.4552 -6 0 4 2 64.13 6.73 1.4521 -2 2 6 4 64.76 7.85 1.4396 -3 2 6 4 65.74 1.66 1.4204 4 0 3 2 65.88 23.93 1.4178 0 4 0 2 66.32 1.14 1.4095 -6 1 4 4 66.52 5.03 1.4056 2 1 5 4 66.95 1.41 1.3977 -2 1 7 4 67.12 2.76 1.3945 5 2 0 4 67.12 16.36 1.3945 4 2 2 4 68.41 2.18 1.3714 1 3 4 4 68.62 1.27 1.3677 -6 1 1 4 69.84 3.84 1.3468 0 2 6 4 69.99 2.33 1.3442 5 0 2 2 70.53 1.35 1.3353 -2 4 2 4 72.14 1.19 1.3093 -6 2 3 4 72.18 1.28 1.3088 1 4 2 4 72.80 1.96 1.2990 -5 2 6 4 72.87 2.41 1.2981 -4 3 5 4 72.89 4.21 1.2978 -6 2 2 4 72.98 1.21 1.2964 2 4 1 4 73.09 3.24 1.2946 -6 2 4 4 73.40 1.09 1.2900 -5 3 2 4 74.12 1.33 1.2792 3 0 5 2 74.20 1.64 1.2781 0 1 7 4 74.44 3.11 1.2746 -3 4 2 4 74.75 4.23 1.2700 4 2 3 4 74.78 3.37 1.2695 -3 0 8 2 74.99 5.16 1.2665 -5 3 1 4 75.11 1.42 1.2648 4 0 4 2 75.30 2.05 1.2620 -6 2 1 4 75.37 1.36 1.2611 2 0 6 2 75.71 3.03 1.2562 -6 2 5 4 75.84 1.14 1.2544 -2 0 8 2 75.92 1.17 1.2533 1 2 6 4 76.01 2.80 1.2521 3 4 0 4 76.86 2.47 1.2403 1 3 5 4 77.12 4.51 1.2367 2 4 2 4 77.30 1.25 1.2343 -1 4 4 4 78.23 1.38 1.2220 5 3 0 4 78.23 2.26 1.2219 4 3 2 4 79.33 2.63 1.2077 -6 1 7 4 79.34 1.16 1.2076 6 2 0 4 79.51 1.06 1.2055 -3 4 4 4 79.94 1.43 1.2000 -6 2 6 4 80.71 2.26 1.1906 0 2 7 4 81.19 2.10 1.1848 -4 4 1 4 83.56 1.39 1.1570 4 4 0 4 84.11 2.43 1.1509 2 3 5 4 84.64 1.67 1.1451 -6 0 8 2 86.51 1.40 1.1250 0 1 8 4 86.86 2.15 1.1214 7 1 0 4 87.60 1.88 1.1138 -1 2 8 4 87.66 2.46 1.1132 -7 1 7 4 87.76 2.21 1.1122 -5 2 8 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.