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: BR1A Locality: Monte Brugiana, Alpi Apuane, Italy _database_code_amcsd 0006434 CELL PARAMETERS: 8.8840 5.6850 10.1520 90.000 115.000 90.000 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 464.693 Density (g/cm3): 3.720 MAX. ABS. INTENSITY / VOLUME**2: 11.41156419 RIR: 0.999 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.61 7.69 9.2008 0 0 1 2 10.99 1.63 8.0516 1 0 0 2 11.13 2.86 7.9485 -1 0 1 2 17.43 3.00 5.0867 1 0 1 2 17.71 22.38 5.0090 -1 0 2 2 18.34 7.18 4.8363 0 1 1 4 19.11 3.32 4.6441 1 1 0 4 19.29 9.13 4.6004 0 0 2 2 22.08 2.71 4.0258 2 0 0 2 22.37 14.30 3.9742 -2 0 2 2 23.47 3.11 3.7908 1 1 1 4 23.67 1.55 3.7583 -1 1 2 4 24.90 1.47 3.5762 0 1 2 4 25.45 37.54 3.4999 -2 1 1 4 26.05 6.72 3.4200 1 0 2 2 27.14 2.70 3.2855 2 1 0 4 27.38 1.54 3.2572 -2 1 2 4 27.69 15.61 3.2219 2 0 1 2 29.12 1.91 3.0669 0 0 3 2 30.66 27.16 2.9158 -3 0 2 2 30.77 100.00 2.9056 -1 1 3 4 31.47 33.03 2.8425 0 2 0 2 31.93 14.49 2.8030 2 1 1 4 33.19 30.68 2.6992 0 1 3 4 33.39 16.32 2.6839 3 0 0 2 33.43 33.25 2.6804 1 2 0 4 33.83 2.90 2.6495 -3 0 3 2 34.43 46.33 2.6051 -3 1 1 4 34.57 1.93 2.5945 -3 1 2 4 35.29 23.48 2.5434 2 0 2 2 35.78 7.50 2.5095 -1 0 4 2 36.34 14.15 2.4722 -1 2 2 4 37.18 15.43 2.4181 0 2 2 4 37.45 19.86 2.4015 -3 1 3 4 37.57 4.90 2.3942 -2 2 1 4 38.94 2.76 2.3131 1 1 3 4 38.96 17.93 2.3120 -2 2 2 4 39.24 2.47 2.2958 -1 1 4 4 39.31 3.17 2.2919 -2 1 4 4 39.37 4.31 2.2887 -3 0 4 2 41.30 4.02 2.1860 1 2 2 4 41.51 5.75 2.1756 -1 2 3 4 41.68 17.16 2.1669 -4 0 1 2 41.97 1.25 2.1526 3 1 1 4 42.01 3.67 2.1506 -4 0 3 2 42.39 4.83 2.1323 0 1 4 4 42.41 19.96 2.1315 2 2 1 4 42.73 19.09 2.1161 -2 2 3 4 43.40 12.30 2.0848 0 2 3 4 44.03 8.71 2.0564 2 0 3 2 44.40 1.71 2.0405 -3 2 1 4 44.51 1.27 2.0354 -3 2 2 4 44.66 1.48 2.0289 -2 0 5 2 45.04 3.69 2.0129 4 0 0 2 46.58 1.54 1.9499 -3 0 5 2 46.99 2.54 1.9338 2 1 3 4 48.00 9.38 1.8954 2 2 2 4 48.13 1.36 1.8907 1 2 3 4 48.24 6.55 1.8864 1 1 4 4 48.38 3.13 1.8813 -1 2 4 4 48.44 15.58 1.8791 -2 2 4 4 48.65 3.43 1.8716 3 1 2 4 49.41 1.59 1.8446 1 3 0 4 50.72 1.02 1.8000 3 2 1 4 51.08 4.79 1.7881 0 2 4 4 51.60 5.50 1.7711 -5 0 2 2 52.28 5.18 1.7500 -4 2 2 4 52.50 4.84 1.7430 -2 3 1 4 53.15 1.61 1.7233 -4 2 1 4 53.59 2.46 1.7100 2 0 4 2 53.84 7.94 1.7028 -4 1 5 4 54.25 2.18 1.6910 -5 1 2 4 54.27 3.14 1.6902 -2 0 6 2 55.00 1.57 1.6697 -3 0 6 2 55.60 11.65 1.6530 -1 3 3 4 55.75 1.25 1.6489 1 0 5 2 55.98 5.21 1.6427 4 2 0 4 56.04 8.62 1.6410 -5 1 1 4 56.11 12.39 1.6391 -1 0 6 2 56.17 2.63 1.6375 2 1 4 4 56.24 7.51 1.6355 1 2 4 4 56.32 2.39 1.6334 2 3 1 4 56.51 19.93 1.6286 -4 2 4 4 56.53 2.07 1.6278 -5 1 4 4 56.61 7.96 1.6259 3 2 2 4 56.83 1.51 1.6201 -2 1 6 4 57.14 4.94 1.6121 0 3 3 4 57.21 1.36 1.6103 5 0 0 2 57.95 10.16 1.5913 -3 3 1 4 58.05 1.11 1.5889 -3 3 2 4 58.22 10.56 1.5847 -4 0 6 2 58.26 7.18 1.5837 1 1 5 4 59.65 6.66 1.5499 4 1 2 4 59.68 2.57 1.5494 5 1 0 4 60.02 3.08 1.5413 -3 3 3 4 61.33 1.39 1.5115 -4 2 5 4 63.37 1.76 1.4678 -5 2 1 4 63.41 1.13 1.4669 3 0 4 2 63.49 2.02 1.4653 2 2 4 4 63.83 8.91 1.4583 -5 2 4 4 63.85 4.59 1.4579 -6 0 4 2 64.10 6.68 1.4528 -2 2 6 4 64.75 5.12 1.4397 -3 2 6 4 65.32 1.80 1.4285 4 0 3 2 65.70 20.89 1.4212 0 4 0 2 66.17 1.54 1.4122 -6 1 4 4 66.22 5.10 1.4113 2 1 5 4 66.73 1.43 1.4017 -3 1 7 4 66.74 12.58 1.4015 4 2 2 4 66.76 1.09 1.4011 5 2 0 4 66.94 1.48 1.3979 -2 1 7 4 68.18 2.58 1.3755 1 3 4 4 68.25 1.42 1.3741 -6 1 1 4 68.80 1.64 1.3645 -4 1 7 4 69.52 1.86 1.3521 5 0 2 2 69.67 3.72 1.3496 0 2 6 4 72.58 4.02 1.3025 -6 2 2 4 72.72 1.43 1.3004 2 4 1 4 72.79 2.52 1.2993 -5 2 6 4 72.79 2.59 1.2992 -4 3 5 4 72.92 3.28 1.2972 -6 2 4 4 73.14 1.14 1.2940 -5 3 2 4 73.71 1.35 1.2853 3 0 5 2 74.02 1.18 1.2806 0 1 7 4 74.23 3.21 1.2776 -3 4 2 4 74.31 3.88 1.2764 4 2 3 4 74.63 1.76 1.2717 4 0 4 2 74.67 4.25 1.2712 -5 3 1 4 74.78 1.08 1.2695 2 3 4 4 74.82 2.00 1.2690 -3 0 8 2 74.92 2.45 1.2675 -6 2 1 4 75.02 1.04 1.2661 2 0 6 2 75.60 2.90 1.2578 -6 2 5 4 75.73 2.32 1.2560 3 4 0 4 76.59 3.13 1.2439 1 3 5 4 76.83 4.74 1.2407 2 4 2 4 77.13 1.33 1.2367 -1 4 4 4 77.82 2.41 1.2274 4 3 2 4 77.84 1.10 1.2271 5 3 0 4 78.88 1.38 1.2135 6 2 0 4 79.35 2.36 1.2075 -6 1 7 4 79.36 1.51 1.2074 -3 4 4 4 80.51 2.54 1.1930 0 2 7 4 80.89 2.25 1.1884 -4 4 1 4 82.50 1.36 1.1692 2 4 3 4 83.74 2.43 1.1550 2 3 5 4 84.70 1.52 1.1443 -6 0 8 2 86.28 2.06 1.1274 7 1 0 4 86.30 1.34 1.1273 0 1 8 4 87.21 1.04 1.1178 3 1 6 4 87.45 1.24 1.1153 -1 2 8 4 87.63 2.60 1.1135 -7 1 7 4 87.80 2.07 1.1118 -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.