Foitite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050495 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: 15.95421 15.95421 7.150513 90.00000 90.00000 120.0000 SPACE GROUP: R3m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 11.08 1.76 7.9771 1 1 0 13.93 64.62 6.3505 1 0 1 17.83 17.19 4.9684 0 2 1 19.25 10.05 4.6056 3 0 0 21.04 56.27 4.2173 2 1 1 22.26 74.48 3.9886 2 2 0 25.71 57.40 3.4613 0 1 2 26.36 5.05 3.3776 1 3 1 28.07 1.68 3.1752 2 0 2 28.67 1.98 3.1103 4 0 1 29.60 6.20 3.0151 4 1 0 30.26 49.13 2.9501 1 2 2 30.82 4.81 2.8978 3 2 1 34.27 3.09 2.6142 3 1 2 34.77 100.00 2.5776 0 5 1 36.12 1.92 2.4842 0 4 2 36.60 2.73 2.4527 2 4 1 37.70 6.43 2.3835 0 0 3 37.90 13.56 2.3718 2 3 2 38.36 13.23 2.3444 5 1 1 39.08 2.42 2.3028 6 0 0 40.74 2.17 2.2125 5 2 0 41.25 14.95 2.1864 5 0 2 41.68 8.42 2.1649 4 3 1 42.67 4.58 2.1168 0 3 3 42.67 4.31 2.1168 3 0 3 42.84 3.75 2.1086 4 2 2 44.22 9.09 2.0460 2 2 3 44.39 35.96 2.0386 1 5 2 44.80 7.17 2.0211 1 6 1 45.44 2.78 1.9943 4 4 0 47.37 24.01 1.9172 3 4 2 47.76 3.39 1.9027 3 5 1 48.65 9.31 1.8698 1 4 3 49.18 7.14 1.8507 6 2 1 49.78 2.01 1.8301 7 1 0 50.21 1.45 1.8153 6 1 2 51.44 4.10 1.7748 3 3 3 51.50 1.48 1.7729 1 0 4 52.94 1.85 1.7280 5 3 2 52.85 2.14 1.7306 0 2 4 54.27 2.46 1.6888 2 6 2 55.43 16.84 1.6561 0 6 3 55.43 3.78 1.6561 6 0 3 55.92 12.04 1.6428 2 7 1 57.73 15.68 1.5954 5 5 0 58.12 2.03 1.5856 4 5 2 58.04 3.92 1.5876 4 0 4 59.29 1.12 1.5571 3 2 4 59.70 4.32 1.5473 4 6 1 60.22 3.65 1.5352 9 0 0 60.61 3.72 1.5264 7 2 2 60.93 2.23 1.5190 7 3 1 61.45 3.66 1.5075 8 2 0 61.75 13.33 1.5009 0 5 4 63.03 1.18 1.4734 1 8 2 62.95 2.44 1.4751 2 4 4 64.09 2.78 1.4516 1 7 3 64.22 5.71 1.4489 6 4 2 64.15 14.83 1.4505 5 1 4 65.04 3.71 1.4327 7 4 0 65.72 7.37 1.4196 6 5 1 65.72 1.38 1.4196 1 9 1 65.56 3.46 1.4225 0 1 5 66.45 1.33 1.4058 3 6 3 66.45 3.14 1.4058 6 3 3 66.50 10.43 1.4048 4 3 4 68.04 1.48 1.3766 3 8 1 69.19 10.00 1.3566 10 0 1 70.02 4.01 1.3424 5 6 2 70.81 3.28 1.3295 6 6 0 71.03 4.72 1.3258 5 5 3 71.08 2.69 1.3250 3 5 4 71.31 1.95 1.3213 0 4 5 71.93 8.50 1.3114 10 1 0 72.28 1.97 1.3059 8 3 2 72.58 1.29 1.3013 5 7 1 72.43 2.36 1.3036 2 3 5 73.28 1.04 1.2906 9 0 3 73.40 1.83 1.2888 0 10 2 73.70 1.43 1.2843 8 4 1 74.17 3.76 1.2774 9 3 0 74.39 1.96 1.2741 2 8 3 74.66 9.85 1.2701 5 0 5 75.55 2.53 1.2574 5 4 4 77.01 3.56 1.2371 0 11 1 77.69 1.17 1.2280 7 4 3 77.81 1.12 1.2264 4 8 2 78.11 1.26 1.2225 2 10 1 79.05 2.16 1.2102 3 4 5 80.53 1.83 1.1918 0 0 6 81.36 2.99 1.1816 11 1 1 81.22 1.01 1.1833 6 1 5 83.76 1.20 1.1538 3 0 6 84.19 6.18 1.1490 10 1 3 85.38 1.31 1.1360 1 11 2 86.33 1.66 1.1259 9 3 3 86.38 1.09 1.1254 1 9 4 88.05 1.43 1.1083 1 4 6 89.59 1.73 1.0932 10 0 4 89.59 1.73 1.0932 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.