Foitite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050356 MacDonald D J, Hawthorne F C, Grice J D American Mineralogist 78 (1993) 1299-1303 Foitite, _[Fe2(Al,Fe)]Al6Si6O18(BO3)3(OH)4, a new alkali-deficient tourmaline: Description and crystal structure CELL PARAMETERS: 15.96678 15.96678 7.143155 90.00000 90.00000 120.0000 SPACE GROUP: R3m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 11.11 1.76 7.9834 1 1 0 13.98 64.62 6.3464 1 0 1 17.88 17.19 4.9679 0 2 1 19.28 10.05 4.6092 3 0 0 21.08 56.27 4.2179 2 1 1 22.29 74.48 3.9917 2 2 0 25.78 57.40 3.4581 0 1 2 26.39 5.05 3.3789 1 3 1 28.13 1.68 3.1732 2 0 2 28.70 1.98 3.1117 4 0 1 29.62 6.20 3.0174 4 1 0 30.32 49.13 2.9488 1 2 2 30.85 4.81 2.8992 3 2 1 34.32 3.09 2.6137 3 1 2 34.79 100.00 2.5790 0 5 1 36.17 1.92 2.4840 0 4 2 36.62 2.73 2.4541 2 4 1 37.79 6.43 2.3811 0 0 3 37.94 13.56 2.3718 2 3 2 38.38 13.23 2.3458 5 1 1 39.09 2.42 2.3046 6 0 0 40.75 2.17 2.2142 5 2 0 41.29 14.95 2.1866 5 0 2 41.70 8.42 2.1662 4 3 1 42.74 4.58 2.1155 0 3 3 42.74 4.31 2.1155 3 0 3 42.88 3.75 2.1090 4 2 2 44.29 9.09 2.0449 2 2 3 44.43 35.96 2.0390 1 5 2 44.81 7.17 2.0224 1 6 1 45.44 2.78 1.9958 4 4 0 47.40 24.01 1.9177 3 4 2 47.77 3.39 1.9039 3 5 1 48.71 9.31 1.8692 1 4 3 49.19 7.14 1.8520 6 2 1 49.78 2.01 1.8315 7 1 0 50.24 1.45 1.8158 6 1 2 51.49 4.10 1.7744 3 3 3 51.60 1.48 1.7711 1 0 4 52.96 1.85 1.7286 5 3 2 52.95 2.14 1.7290 0 2 4 54.29 2.46 1.6895 2 6 2 55.48 16.84 1.6560 0 6 3 55.48 3.78 1.6560 6 0 3 55.92 12.04 1.6440 2 7 1 57.73 15.68 1.5967 5 5 0 58.14 2.03 1.5863 4 5 2 58.13 3.92 1.5866 4 0 4 59.38 1.12 1.5562 3 2 4 59.70 4.32 1.5484 4 6 1 60.22 3.65 1.5364 9 0 0 60.62 3.72 1.5271 7 2 2 60.93 2.23 1.5201 7 3 1 61.44 3.66 1.5087 8 2 0 61.83 13.33 1.5002 0 5 4 63.04 1.18 1.4741 1 8 2 63.03 2.44 1.4744 2 4 4 64.13 2.78 1.4517 1 7 3 64.23 5.71 1.4496 6 4 2 64.22 14.83 1.4499 5 1 4 65.02 3.71 1.4339 7 4 0 65.71 7.37 1.4206 6 5 1 65.71 1.38 1.4206 1 9 1 65.68 3.46 1.4211 0 1 5 66.48 1.33 1.4060 3 6 3 66.48 3.14 1.4060 6 3 3 66.57 10.43 1.4043 4 3 4 68.03 1.48 1.3776 3 8 1 69.18 10.00 1.3576 10 0 1 70.03 4.01 1.3431 5 6 2 70.79 3.28 1.3306 6 6 0 71.06 4.72 1.3261 5 5 3 71.15 2.69 1.3247 3 5 4 71.42 1.95 1.3203 0 4 5 71.91 8.50 1.3125 10 1 0 72.28 1.97 1.3067 8 3 2 72.56 1.29 1.3023 5 7 1 72.54 2.36 1.3026 2 3 5 73.30 1.04 1.2910 9 0 3 73.40 1.83 1.2895 0 10 2 73.68 1.43 1.2853 8 4 1 74.14 3.76 1.2784 9 3 0 74.41 1.96 1.2744 2 8 3 74.76 9.85 1.2693 5 0 5 75.60 2.53 1.2573 5 4 4 76.99 3.56 1.2380 0 11 1 77.71 1.17 1.2283 7 4 3 77.81 1.12 1.2271 4 8 2 78.08 1.26 1.2234 2 10 1 79.15 2.16 1.2096 3 4 5 80.67 1.83 1.1905 0 0 6 81.33 2.99 1.1825 11 1 1 81.31 1.01 1.1827 6 1 5 83.90 1.20 1.1527 3 0 6 84.19 6.18 1.1494 10 1 3 85.36 1.31 1.1367 1 11 2 86.34 1.66 1.1263 9 3 3 86.42 1.09 1.1254 1 9 4 88.18 1.43 1.1074 1 4 6 89.62 1.73 1.0933 10 0 4 89.62 1.73 1.0933 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.