Brazilianite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050319 Gatehouse B M, Miskin B K Acta Crystallographica B30 (1974) 1311-1317 The crystal structure of brazilianite, NaAl3(PO4)2(OH)4 Locality: Corrego Frio pegmatite, Minas Gerais, Brazil CELL PARAMETERS: 11.23300 10.14200 7.097000 90.00000 97.37000 90.00000 SPACE GROUP: P2_1/n X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 15.34 38.78 5.7803 0 1 1 15.92 20.71 5.5677 2 0 0 16.52 15.39 5.3667 -1 1 1 17.50 100.00 5.0700 0 2 0 18.03 12.70 4.9226 1 1 1 19.24 6.69 4.6142 1 2 0 20.96 3.02 4.2394 -2 1 1 23.32 20.91 3.8142 2 1 1 23.74 22.64 3.7487 2 2 0 25.55 7.20 3.4856 3 1 0 25.66 1.04 3.4718 -3 0 1 27.15 24.04 3.2846 -3 1 1 27.91 3.96 3.1958 2 2 1 28.21 11.81 3.1626 -2 0 2 29.94 84.67 2.9836 3 1 1 29.97 1.53 2.9811 -1 3 1 30.93 2.34 2.8901 0 2 2 30.94 2.22 2.8893 2 3 0 31.13 49.66 2.8720 -1 2 2 31.78 7.54 2.8153 2 0 2 32.15 8.12 2.7839 4 0 0 32.71 23.91 2.7375 -2 3 1 32.82 36.08 2.7284 1 2 2 33.01 1.39 2.7127 2 1 2 33.38 81.84 2.6834 -2 2 2 34.32 15.77 2.6123 2 3 1 36.34 16.19 2.4718 1 4 0 36.50 1.79 2.4613 2 2 2 36.82 1.98 2.4402 4 2 0 36.87 1.89 2.4372 0 3 2 37.04 3.34 2.4263 -1 3 2 37.11 3.22 2.4218 -3 3 1 37.29 12.33 2.4108 4 1 1 37.35 2.15 2.4066 -3 2 2 37.62 1.90 2.3901 -4 2 1 38.57 6.14 2.3334 -4 0 2 39.27 2.22 2.2933 3 3 1 40.29 1.26 2.2376 1 0 3 40.76 1.74 2.2131 -2 1 3 41.50 5.35 2.1752 5 1 0 41.56 3.29 2.1721 3 2 2 41.74 1.10 2.1632 2 3 2 41.83 3.31 2.1585 2 4 1 41.89 4.36 2.1558 -5 1 1 42.51 2.29 2.1258 -3 3 2 42.75 4.59 2.1144 -4 3 1 43.97 1.89 2.0583 4 0 2 44.01 2.67 2.0566 0 4 2 44.16 10.38 2.0500 -1 4 2 44.41 4.57 2.0390 5 2 0 44.70 3.63 2.0267 2 1 3 45.13 21.45 2.0084 5 1 1 45.31 7.04 2.0005 4 3 1 45.86 33.64 1.9780 -2 4 2 46.99 25.17 1.9331 -1 3 3 47.66 1.35 1.9071 4 2 2 48.48 1.26 1.8769 3 0 3 48.91 2.43 1.8615 -5 2 2 48.95 3.65 1.8600 -2 5 1 48.98 2.93 1.8590 -3 4 2 49.19 1.67 1.8514 -4 4 1 49.30 2.85 1.8475 -5 3 1 49.98 1.26 1.8239 -6 1 1 50.12 3.86 1.8192 2 5 1 51.79 2.16 1.7643 2 3 3 51.97 5.30 1.7588 0 0 4 51.99 1.19 1.7580 4 3 2 52.11 1.85 1.7544 5 1 2 52.16 3.54 1.7528 -1 5 2 52.21 1.40 1.7511 -3 5 1 52.48 1.98 1.7428 6 2 0 52.49 3.26 1.7426 -2 0 4 53.28 1.35 1.7186 1 5 2 53.34 3.55 1.7168 -4 4 2 53.39 4.69 1.7152 6 1 1 53.74 5.29 1.7048 -5 1 3 53.88 3.48 1.7007 3 5 1 54.25 2.52 1.6900 0 6 0 54.84 2.40 1.6731 5 4 0 55.00 5.62 1.6687 -4 3 3 55.75 2.69 1.6479 -2 2 4 55.84 1.05 1.6455 2 5 2 56.02 8.59 1.6409 3 3 3 56.32 1.18 1.6327 -1 6 1 56.59 2.24 1.6256 -6 3 1 58.32 7.92 1.5813 -4 0 4 58.72 2.03 1.5716 7 1 0 58.75 3.07 1.5708 -5 4 2 58.77 2.01 1.5704 4 5 1 59.16 8.62 1.5609 6 0 2 59.87 1.11 1.5442 -6 3 2 59.96 1.49 1.5419 2 2 4 60.06 1.83 1.5396 -5 3 3 60.45 1.07 1.5307 -4 5 2 60.77 11.60 1.5233 0 6 2 60.89 1.22 1.5206 -1 6 2 61.29 4.86 1.5115 4 3 3 61.38 1.62 1.5096 -4 2 4 61.65 8.24 1.5037 5 1 3 61.70 2.87 1.5027 1 5 3 61.90 2.00 1.4981 1 6 2 61.98 1.35 1.4965 -6 4 1 62.14 1.10 1.4930 -5 5 1 62.19 3.39 1.4918 6 2 2 63.63 4.04 1.4616 -3 5 3 63.83 2.16 1.4574 5 4 2 64.06 8.18 1.4527 -1 4 4 64.25 1.14 1.4490 2 6 2 64.53 13.42 1.4434 -7 3 1 64.63 4.17 1.4414 5 5 1 64.82 1.18 1.4376 -3 6 2 64.90 2.06 1.4360 -2 4 4 65.09 2.23 1.4323 -6 4 2 65.78 3.53 1.4188 0 7 1 66.03 1.00 1.4142 1 4 4 66.08 1.21 1.4131 -6 3 3 66.63 1.05 1.4029 1 7 1 66.93 1.64 1.3973 -3 4 4 67.09 1.24 1.3944 -2 1 5 67.12 1.01 1.3937 0 1 5 67.12 2.29 1.3938 -4 5 3 67.36 1.55 1.3895 -7 1 3 67.93 2.37 1.3791 7 3 1 68.02 2.37 1.3775 3 5 3 68.53 2.85 1.3684 -6 5 1 68.77 1.97 1.3642 2 4 4 68.84 10.05 1.3630 -3 1 5 69.23 3.37 1.3563 4 2 4 69.63 1.94 1.3494 3 7 0 70.06 1.23 1.3423 8 2 0 70.34 1.01 1.3376 -1 7 2 70.39 1.53 1.3369 -3 7 1 71.42 2.08 1.3200 -6 2 4 71.68 1.01 1.3159 -5 5 3 71.84 1.50 1.3133 2 1 5 72.27 8.11 1.3066 -7 4 2 72.62 1.05 1.3011 3 4 4 72.81 3.98 1.2983 4 5 3 72.98 2.86 1.2956 -7 3 3 74.42 1.53 1.2740 -3 3 5 75.44 2.80 1.2594 1 8 0 75.55 1.08 1.2578 -8 3 2 75.79 2.34 1.2543 -7 5 1 75.86 1.56 1.2534 3 1 5 76.13 1.98 1.2496 6 6 0 77.05 1.16 1.2370 6 5 2 77.13 5.64 1.2359 2 8 0 77.23 2.31 1.2345 -4 3 5 77.52 3.24 1.2306 4 4 4 77.89 3.62 1.2257 -7 2 4 78.71 1.62 1.2150 7 4 2 78.76 1.18 1.2143 5 7 0 80.91 1.01 1.1873 4 1 5 81.14 1.13 1.1846 9 1 1 81.29 3.39 1.1828 5 7 1 82.15 1.31 1.1726 0 0 6 82.56 1.02 1.1678 7 3 3 84.02 3.36 1.1511 -1 2 6 84.14 5.31 1.1498 -9 1 3 84.42 2.94 1.1467 3 7 3 84.81 2.51 1.1424 0 2 6 87.04 1.41 1.1188 2 0 6 87.57 2.05 1.1134 6 7 1 87.72 1.23 1.1119 9 4 0 87.72 1.23 1.1119 9 4 0 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.