Buergerite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R060132 Tippe A, Hamilton W C American Mineralogist 56 (1971) 101-113 A neutron-diffraction study of the ferric tourmaline, buergerite CELL PARAMETERS: 15.86900 15.86900 7.188000 90.00000 90.00000 120.0000 SPACE GROUP: R3m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 11.21 7.21 7.9369 1 1 0 13.95 72.94 6.3773 1 0 1 17.90 19.00 4.9713 0 2 1 19.43 13.34 4.5824 3 0 0 21.14 50.64 4.2131 2 1 1 22.46 58.85 3.9684 2 2 0 25.63 62.80 3.4820 0 1 2 28.03 2.10 3.1887 2 0 2 29.83 11.76 2.9999 4 1 0 30.25 58.30 2.9588 1 2 2 31.00 9.37 2.8887 3 2 1 34.30 1.66 2.6173 3 1 2 34.98 100.00 2.5685 0 5 1 36.18 4.86 2.4857 0 4 2 36.82 4.50 2.4437 2 4 1 37.52 4.49 2.3996 0 0 3 37.97 12.77 2.3721 2 3 2 38.59 11.90 2.3355 5 1 1 39.26 1.18 2.2969 1 1 3 39.36 3.43 2.2912 6 0 0 41.04 2.89 2.2013 5 2 0 41.36 17.43 2.1849 5 0 2 41.93 6.85 2.1562 4 3 1 42.56 4.30 2.1258 0 3 3 42.56 7.71 2.1258 3 0 3 42.97 2.71 2.1066 4 2 2 44.14 9.67 2.0534 2 2 3 44.53 41.67 2.0361 1 5 2 45.07 7.41 2.0128 1 6 1 45.76 4.93 1.9842 4 4 0 47.54 23.08 1.9140 3 4 2 48.05 3.47 1.8946 3 5 1 48.62 11.72 1.8739 1 4 3 49.49 6.94 1.8428 6 2 1 50.13 1.90 1.8208 7 1 0 51.22 1.19 1.7845 1 0 4 51.44 3.93 1.7774 3 3 3 52.59 2.89 1.7410 0 2 4 53.15 1.01 1.7240 5 3 2 53.63 1.43 1.7098 5 4 1 54.49 1.87 1.6847 2 6 2 55.47 15.06 1.6571 0 6 3 55.47 3.55 1.6571 6 0 3 56.27 11.73 1.6355 2 7 1 57.85 4.46 1.5943 4 0 4 58.13 19.35 1.5874 5 5 0 58.38 3.74 1.5812 4 5 2 59.12 1.29 1.5631 3 2 4 59.64 1.40 1.5507 8 0 2 60.08 3.58 1.5404 4 6 1 60.64 1.62 1.5275 9 0 0 60.88 5.20 1.5219 7 2 2 61.32 1.82 1.5122 7 3 1 61.61 14.47 1.5058 0 5 4 61.87 4.21 1.4999 8 2 0 62.83 2.61 1.4794 2 4 4 64.04 15.22 1.4544 5 1 4 64.22 3.44 1.4505 1 7 3 64.53 5.46 1.4444 6 4 2 65.16 4.22 1.4319 0 1 5 65.49 3.77 1.4255 7 4 0 66.14 1.32 1.4130 1 9 1 66.14 7.52 1.4130 6 5 1 66.41 8.25 1.4079 4 3 4 66.60 2.11 1.4044 6 3 3 68.48 1.18 1.3703 3 8 1 69.64 10.87 1.3503 10 0 1 70.38 3.75 1.3378 5 6 2 70.38 1.21 1.3378 9 1 2 70.98 1.41 1.3279 0 4 5 71.05 3.62 1.3268 3 5 4 71.23 5.69 1.3239 5 5 3 71.30 3.49 1.3228 6 6 0 72.12 2.30 1.3097 2 3 5 72.19 1.25 1.3087 6 2 4 72.44 7.01 1.3048 10 1 0 72.66 1.98 1.3014 8 3 2 73.50 1.39 1.2885 9 0 3 73.78 1.76 1.2842 0 10 2 74.18 1.38 1.2783 8 4 1 74.38 9.57 1.2755 5 0 5 74.62 2.50 1.2719 2 8 3 74.69 3.84 1.2709 9 3 0 75.56 1.19 1.2584 5 4 4 77.52 3.31 1.2313 0 11 1 78.24 1.85 1.2218 4 8 2 78.82 1.60 1.2143 3 4 5 79.98 1.10 1.1995 8 1 4 79.96 1.52 1.1998 0 0 6 81.01 1.04 1.1868 6 1 5 81.91 2.37 1.1760 11 1 1 84.51 5.66 1.1463 10 1 3 86.51 1.39 1.1249 1 9 4 86.68 1.47 1.1231 9 3 3 87.52 1.02 1.1144 4 5 5 87.56 1.62 1.1140 1 4 6 89.75 2.07 1.0925 10 0 4 89.75 2.07 1.0925 10 0 4 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.