Leucophoenicite Diffraction data computed using the structute from the paper listed below, along with the cell parameters refined from single crystal data for R060308 Welch M D, Marshall W G, Ross N L, Knight K S American Mineralogist 87 (2002) 154-159 H positions in leucophoenicite, Mn7Si3(OH)2: A close relative of the hydrous B phases Locality: Franklin, New Jersey, USA AMCSD#0002750 CELL PARAMETERS: 10.8620 4.8680 11.4040 90.000 103.956 90.000 SPACE GROUP: P2_1/a ATOM X Y Z OCCUPANCY ISO(B) Mn 0.00000 0.00000 0.00000 1.000 1.058 Mn 0.31490 0.01500 0.13960 0.640 1.058 Ca 0.31490 0.01500 0.13960 0.320 1.058 Mg 0.31490 0.01500 0.13960 0.020 1.058 Zn 0.31490 0.01500 0.13960 0.020 1.058 Mn 0.33080 0.49600 0.41570 1.000 1.058 Mn 0.08700 -0.00900 0.29570 1.000 1.058 Si 0.02090 0.42300 0.43660 0.500 0.411 Si 0.12710 0.57530 0.14180 1.000 0.411 O 0.49160 -0.21740 0.14630 1.000 0.742 O 0.33980 0.21980 -0.02380 1.000 1.113 O 0.22700 -0.29010 0.25950 1.000 0.434 O 0.41510 0.24100 0.30410 1.000 1.737 O 0.17530 0.25390 0.43810 1.000 1.058 O 0.12710 0.24570 0.14420 1.000 0.624 O 0.52270 0.75800 0.43700 1.000 2.053 H -0.06600 0.42100 0.32600 0.500 1.184 H 0.12650 0.40400 0.43600 0.500 1.184 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 9 +/- 4 +/- 10 MAX. ABS. INTENSITY / VOLUME**2: 15.16602796 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 16.80 12.54 5.2784 -2 0 1 16.82 1.09 5.2707 2 0 0 20.09 20.57 4.4195 1 1 0 20.27 5.58 4.3804 -2 0 2 20.33 4.32 4.3673 2 0 1 22.40 16.44 3.9685 1 1 1 24.12 1.04 3.6891 0 0 3 24.35 5.28 3.6550 0 1 2 24.47 21.89 3.6373 -1 1 2 24.88 2.06 3.5785 -2 1 1 24.90 4.51 3.5761 2 1 0 27.06 17.37 3.2947 1 1 2 27.39 2.13 3.2562 -2 1 2 27.44 1.60 3.2508 2 1 1 29.94 10.60 2.9845 -1 1 3 30.84 100.00 2.8994 -3 1 1 31.40 2.14 2.8491 3 1 0 32.36 3.92 2.7668 0 0 4 32.41 20.07 2.7625 -3 1 2 32.73 17.28 2.7364 -2 0 4 32.82 16.26 2.7289 2 0 3 32.99 12.28 2.7155 -4 0 1 33.17 74.49 2.7009 1 1 3 33.97 1.14 2.6392 -4 0 2 33.99 28.38 2.6374 3 1 1 34.02 3.04 2.6353 4 0 0 35.86 16.83 2.5042 -3 1 3 36.53 38.09 2.4597 -1 1 4 36.82 4.59 2.4408 -4 0 3 36.92 5.18 2.4348 4 0 1 36.93 12.31 2.4340 0 2 0 37.71 8.05 2.3854 -2 1 4 37.79 11.43 2.3804 2 1 3 37.94 2.09 2.3716 1 2 0 37.94 12.61 2.3715 -4 1 1 38.25 4.68 2.3527 3 1 2 39.28 1.92 2.2936 1 2 1 40.56 2.70 2.2240 -1 2 2 40.78 7.91 2.2129 -3 1 4 41.35 3.22 2.1836 4 0 2 43.78 1.55 2.0678 3 1 3 43.85 2.39 2.0645 -1 1 5 45.79 1.92 1.9816 -5 1 1 46.15 1.45 1.9669 -5 1 2 46.97 1.33 1.9346 5 1 0 47.78 3.84 1.9036 1 1 5 48.03 2.00 1.8944 -5 1 3 49.90 1.55 1.8275 0 2 4 50.16 42.14 1.8187 -2 2 4 50.23 33.79 1.8165 2 2 3 50.26 3.82 1.8154 3 1 4 50.34 27.64 1.8125 -4 2 1 50.57 1.21 1.8048 -6 0 2 51.08 1.39 1.7880 4 2 0 51.74 2.61 1.7669 -1 1 6 51.97 3.96 1.7595 -6 0 3 52.05 4.17 1.7569 6 0 0 53.14 4.11 1.7235 -4 2 3 53.21 4.20 1.7214 4 2 1 53.31 2.33 1.7184 -4 0 6 53.49 3.18 1.7131 4 0 4 53.53 11.16 1.7120 5 1 2 53.65 6.62 1.7083 -3 1 6 54.72 1.41 1.6775 -6 0 4 54.85 1.55 1.6738 6 0 1 55.76 9.04 1.6486 -5 1 5 55.92 1.22 1.6442 1 1 6 56.60 1.47 1.6262 -2 0 7 56.63 4.19 1.6254 4 2 2 56.71 2.60 1.6232 2 0 6 57.46 4.41 1.6038 1 3 0 57.50 3.21 1.6027 3 1 5 58.37 20.55 1.5811 0 0 7 58.45 1.66 1.5790 1 3 1 58.68 15.69 1.5732 -6 0 5 58.86 12.75 1.5689 6 0 2 59.41 2.26 1.5557 -1 3 2 60.13 2.04 1.5388 -1 1 7 60.71 1.52 1.5255 1 3 2 60.79 1.21 1.5236 4 0 5 61.23 1.08 1.5137 -3 1 7 62.78 6.29 1.4800 -3 3 1 62.89 14.44 1.4777 -7 1 2 63.71 1.28 1.4608 -3 3 2 64.16 5.91 1.4515 1 3 3 64.67 2.12 1.4414 3 3 1 65.43 6.81 1.4264 3 1 6 65.85 1.33 1.4184 -3 3 3 66.28 3.47 1.4102 -1 3 4 67.06 3.59 1.3957 -2 3 4 67.11 3.24 1.3947 2 3 3 67.21 2.80 1.3929 -4 3 1 68.59 1.82 1.3682 -4 0 8 69.49 4.60 1.3527 -3 1 8 69.77 1.28 1.3479 -6 0 7 71.10 3.95 1.3259 0 2 7 71.39 2.50 1.3212 -6 2 5 71.45 1.15 1.3203 7 1 2 71.52 1.96 1.3192 5 1 5 71.55 1.26 1.3187 6 2 2 74.55 1.56 1.2729 8 0 1 75.05 1.61 1.2656 -5 1 8 78.61 4.41 1.2170 0 4 0 78.86 3.84 1.2138 5 3 2 78.96 1.09 1.2124 -3 3 6 80.54 3.56 1.1927 -4 2 8 80.71 3.70 1.1906 -5 3 5 80.74 3.01 1.1902 4 2 6 81.11 2.05 1.1857 -8 2 2 83.42 1.33 1.1586 3 1 8 84.45 1.38 1.1472 -1 3 7 86.88 4.20 1.1212 -7 3 2 87.78 2.30 1.1120 -2 4 4 87.83 2.26 1.1115 2 4 3 87.92 2.13 1.1106 -4 4 1 88.31 3.76 1.1067 9 1 1 88.98 1.11 1.1001 -1 1 10 89.17 2.14 1.0982 3 3 6 89.36 3.71 1.0963 7 1 5 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.