Beryllonite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R060552 Giuseppetti G, Tadini C Tschermaks Mineralogische und Petrographische Mitteilungen 20 (1973) 1-12 Refinment of the crystal structure of beryllonite CELL PARAMETERS: 8.178000 7.818000 14.11400 90.00000 90.00000 90.00000 SPACE GROUP: P2_1/n X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 15.74 4.22 5.6293 1 1 0 20.12 17.55 4.4123 -1 1 2 20.14 14.37 4.4096 1 1 2 21.85 5.75 4.0672 2 0 0 21.73 7.47 4.0894 1 0 3 21.71 6.84 4.0925 -1 0 3 22.80 52.68 3.8992 0 2 0 23.66 1.02 3.7600 0 2 1 24.68 45.09 3.6062 2 1 0 24.58 39.75 3.6216 1 1 3 24.56 45.05 3.6238 -1 1 3 25.47 8.75 3.4959 -2 1 1 25.48 16.14 3.4946 2 1 1 27.73 2.90 3.2162 -2 1 2 27.75 3.61 3.2142 2 1 2 27.60 2.93 3.2308 0 1 4 29.75 7.86 3.0018 1 1 4 29.74 4.12 3.0035 -1 1 4 31.16 6.04 2.8696 -2 1 3 31.18 1.45 2.8674 2 1 3 31.78 48.88 2.8147 2 2 0 31.68 48.84 2.8230 -1 2 3 31.70 51.16 2.8220 1 2 3 33.64 2.22 2.6629 3 0 1 33.63 6.89 2.6638 -3 0 1 33.48 1.42 2.6756 -2 0 4 33.51 5.74 2.6732 2 0 4 33.42 2.81 2.6804 1 0 5 33.40 4.35 2.6819 -1 0 5 34.26 1.08 2.6160 2 2 2 35.94 2.53 2.4976 1 2 4 38.25 13.82 2.3518 3 0 3 38.22 14.84 2.3536 -3 0 3 38.01 16.24 2.3665 0 0 6 38.49 5.81 2.3378 1 3 2 39.53 4.01 2.2784 0 3 3 40.02 20.11 2.2517 3 1 3 39.99 19.23 2.2532 -3 1 3 39.79 18.93 2.2646 0 1 6 40.50 2.98 2.2261 3 2 0 40.39 5.51 2.2319 -2 1 5 41.02 2.88 2.1995 -3 2 1 40.89 1.16 2.2061 -2 2 4 40.91 2.54 2.2048 2 2 4 40.82 1.62 2.2097 -1 2 5 41.19 4.06 2.1903 2 3 0 41.12 3.27 2.1942 -1 3 3 41.13 3.79 2.1938 1 3 3 41.38 5.08 2.1811 1 1 6 41.71 1.03 2.1646 2 3 1 41.70 7.96 2.1649 -2 3 1 43.21 3.75 2.0927 2 3 2 43.20 3.44 2.0933 -2 3 2 43.11 4.13 2.0973 0 3 4 44.53 3.71 2.0336 4 0 0 44.24 3.16 2.0463 -2 0 6 44.28 5.16 2.0447 2 0 6 44.59 3.41 2.0311 -1 3 4 44.99 2.51 2.0139 3 2 3 44.96 1.16 2.0150 -3 2 3 44.78 2.07 2.0231 0 2 6 45.33 3.88 1.9997 -2 2 5 45.36 1.37 1.9985 2 2 5 45.62 2.50 1.9874 2 3 3 46.10 3.63 1.9678 4 1 0 45.82 3.17 1.9793 -2 1 6 45.86 3.60 1.9778 2 1 6 46.41 1.33 1.9554 -4 0 2 46.44 1.29 1.9545 4 0 2 46.29 1.36 1.9602 3 0 5 46.25 1.08 1.9620 -3 0 5 46.58 2.25 1.9489 4 1 1 46.08 2.14 1.9686 -1 0 7 46.56 21.80 1.9496 0 4 0 48.24 1.44 1.8853 3 2 4 50.16 2.21 1.8176 -4 1 3 50.60 3.00 1.8031 4 2 0 50.33 2.18 1.8119 -2 2 6 50.36 2.78 1.8108 2 2 6 50.70 1.27 1.7995 0 2 7 52.44 2.87 1.7440 3 3 3 52.41 2.80 1.7447 -3 3 3 52.24 2.06 1.7500 0 3 6 54.86 1.45 1.6725 -1 4 4 55.33 1.27 1.6593 -3 3 4 57.51 1.27 1.6017 4 3 0 57.29 1.10 1.6071 2 3 6 57.26 1.60 1.6079 -2 3 6 57.91 1.81 1.5915 4 3 1 58.25 1.68 1.5829 3 4 0 58.51 1.08 1.5766 1 4 5 59.43 2.15 1.5543 -5 1 2 60.78 1.26 1.5229 1 5 1 60.76 1.14 1.5233 0 5 2 61.05 1.81 1.5168 4 3 3 61.40 4.13 1.5090 5 1 3 61.19 4.00 1.5137 -4 1 6 60.96 3.43 1.5189 1 1 9 61.75 2.39 1.5014 -3 4 3 61.77 2.56 1.5009 3 4 3 61.60 2.70 1.5047 0 4 6 61.93 1.53 1.4974 -1 5 2 61.94 1.70 1.4973 1 5 2 62.06 1.20 1.4945 2 4 5 62.37 2.33 1.4879 2 3 7 63.18 1.37 1.4708 -3 3 6 63.88 1.36 1.4563 2 5 0 63.83 1.88 1.4574 -1 5 3 63.83 1.25 1.4573 1 5 3 64.26 1.74 1.4486 2 5 1 64.26 1.80 1.4487 -2 5 1 64.40 2.59 1.4458 -2 1 9 64.55 2.52 1.4428 -1 3 8 65.16 3.56 1.4308 5 2 3 65.12 2.92 1.4315 -5 2 3 65.01 3.92 1.4337 4 2 6 64.96 3.44 1.4348 -4 2 6 64.71 2.95 1.4396 -1 2 9 64.73 4.16 1.4392 1 2 9 66.43 1.65 1.4065 -1 5 4 66.44 1.51 1.4063 1 5 4 67.02 1.86 1.3955 -4 3 5 69.26 6.01 1.3557 6 0 0 69.36 1.62 1.3539 -5 3 2 68.77 5.77 1.3642 -3 0 9 68.83 6.63 1.3631 3 0 9 70.71 1.07 1.3314 6 0 2 70.18 1.27 1.3402 2 0 10 71.18 1.68 1.3237 5 3 3 70.99 1.37 1.3269 -4 3 6 70.77 1.61 1.3304 1 3 9 73.06 2.77 1.2943 0 6 1 72.95 1.63 1.2960 -2 5 5 73.67 1.03 1.2851 5 3 4 73.97 2.59 1.2805 6 2 0 73.62 1.27 1.2858 1 5 6 73.56 2.00 1.2868 3 2 9 73.50 2.88 1.2876 -3 2 9 75.63 1.28 1.2566 4 3 7 77.35 1.78 1.2329 4 5 1 81.28 1.20 1.1828 2 5 7 81.38 1.28 1.1817 -3 4 8 81.86 1.14 1.1759 6 0 6 81.25 1.01 1.1833 0 0 12 86.69 1.28 1.1224 -5 5 1 86.46 1.56 1.1248 3 5 7 86.34 1.06 1.1260 -2 5 8 86.38 1.03 1.1256 2 5 8 87.24 1.61 1.1167 7 1 3 86.79 1.98 1.1213 -5 1 9 86.53 2.21 1.1240 2 1 12 87.60 1.56 1.1131 6 4 0 87.70 1.68 1.1121 -5 5 2 87.20 1.77 1.1171 3 4 9 87.14 1.48 1.1177 -3 4 9 87.62 1.04 1.1128 3 6 4 87.94 1.09 1.1096 6 4 1 87.94 1.09 1.1096 6 4 1 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.