Elbaite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050487 Bosi F, Agrosi G, Lucchesi S, Melchiorre G, Scandale E American Mineralogist 90 (2005) 1661-1668 Mn-tourmaline from island of Elba (Italy): Crystal chemistry. Sample: Tsl2y CELL PARAMETERS: 15.89932 15.89932 7.123348 90.00000 90.00000 120.0000 SPACE GROUP: R3m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 11.16 4.16 7.9497 1 1 0 14.02 26.46 6.3268 1 0 1 17.94 19.98 4.9504 0 2 1 19.36 14.47 4.5897 3 0 0 21.16 56.06 4.2022 2 1 1 22.38 71.93 3.9748 2 2 0 25.85 49.29 3.4482 0 1 2 26.50 12.65 3.3657 1 3 1 28.82 4.63 3.0994 4 0 1 29.74 12.43 3.0047 4 1 0 30.42 65.34 2.9392 1 2 2 30.98 5.85 2.8877 3 2 1 34.44 5.27 2.6047 3 1 2 34.94 100.00 2.5686 0 5 1 36.30 1.11 2.4752 0 4 2 36.78 2.27 2.4442 2 4 1 37.89 8.25 2.3744 0 0 3 38.08 13.38 2.3633 2 3 2 38.54 18.77 2.3362 5 1 1 39.26 2.48 2.2949 6 0 0 41.45 11.32 2.1786 5 0 2 41.87 12.64 2.1573 4 3 1 42.88 5.24 2.1089 0 3 3 42.88 5.41 2.1089 3 0 3 43.05 7.09 2.1011 4 2 2 44.44 12.68 2.0384 2 2 3 44.60 36.76 2.0314 1 5 2 45.01 6.26 2.0141 1 6 1 45.64 3.23 1.9874 4 4 0 47.59 31.28 1.9104 3 4 2 47.98 1.82 1.8961 3 5 1 48.88 5.16 1.8630 1 4 3 49.41 7.66 1.8443 6 2 1 50.00 1.33 1.8238 7 1 0 50.44 1.04 1.8088 6 1 2 51.68 4.20 1.7684 3 3 3 51.75 2.60 1.7661 1 0 4 53.11 1.78 1.7241 0 2 4 53.18 1.16 1.7219 5 3 2 54.52 3.04 1.6829 2 6 2 55.69 16.47 1.6501 0 6 3 55.69 3.99 1.6501 6 0 3 56.17 15.06 1.6371 2 7 1 57.99 16.45 1.5899 5 5 0 58.32 3.21 1.5817 4 0 4 58.39 2.85 1.5800 4 5 2 58.72 2.03 1.5718 8 1 1 59.58 1.76 1.5513 3 2 4 59.97 4.02 1.5420 4 6 1 60.50 5.15 1.5299 9 0 0 60.89 5.20 1.5211 7 2 2 61.21 1.46 1.5138 7 3 1 61.73 3.78 1.5023 8 2 0 62.04 14.67 1.4954 0 5 4 63.26 3.07 1.4696 2 4 4 63.32 1.67 1.4683 1 8 2 64.39 3.82 1.4464 1 7 3 64.45 16.41 1.4451 5 1 4 64.52 5.22 1.4438 6 4 2 65.33 3.86 1.4278 7 4 0 65.89 3.53 1.4171 0 1 5 66.02 2.03 1.4147 1 9 1 66.02 6.10 1.4147 6 5 1 66.76 1.54 1.4007 3 6 3 66.76 4.55 1.4007 6 3 3 66.82 12.40 1.3996 4 3 4 68.35 1.54 1.3719 3 8 1 69.51 10.42 1.3519 10 0 1 70.35 3.27 1.3377 5 6 2 71.13 3.61 1.3249 6 6 0 71.37 4.29 1.3211 5 5 3 71.43 2.90 1.3202 3 5 4 71.66 3.22 1.3164 0 4 5 72.26 11.45 1.3069 10 1 0 72.56 1.30 1.3023 6 2 4 72.62 2.41 1.3014 8 3 2 72.79 2.05 1.2987 2 3 5 72.92 1.35 1.2968 5 7 1 73.74 1.52 1.2843 0 10 2 74.04 1.90 1.2799 8 4 1 74.51 4.36 1.2730 9 3 0 74.74 2.29 1.2696 2 8 3 75.03 10.57 1.2654 5 0 5 75.91 3.89 1.2529 5 4 4 77.37 4.31 1.2329 0 11 1 78.18 1.58 1.2221 4 8 2 78.47 1.46 1.2183 2 10 1 79.45 2.62 1.2057 3 4 5 80.94 1.98 1.1872 0 0 6 81.75 2.95 1.1775 11 1 1 84.20 1.28 1.1494 3 0 6 84.60 5.63 1.1449 10 1 3 85.79 1.00 1.1320 1 11 2 86.76 2.17 1.1219 9 3 3 88.51 1.08 1.1042 1 4 6 88.51 1.08 1.1042 1 4 6 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.