Triploidite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern or R050614 Waldrop L Zeitschrift fur Kristallographie 131 (1970) 1-20 The crystal structure of triploidite and its relation to the structures of other minerals of the triplite-triploidite group Refinement with all F_o's, this is the better refinement Locality: Branchville, Connecticut, USA CELL PARAMETERS: 12.36600 13.27600 9.943000 90.00000 108.2300 90.00000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 15.21 1.69 5.8319 2 0 0 19.11 2.12 4.6468 0 0 2 20.33 4.16 4.3715 -2 0 2 20.30 10.37 4.3767 -2 2 1 22.66 3.86 3.9257 -1 2 2 23.86 2.29 3.7298 3 1 0 24.48 39.40 3.6372 2 2 1 25.35 1.58 3.5144 2 3 0 26.49 29.66 3.3658 1 2 2 26.61 1.59 3.3506 3 2 0 27.00 4.82 3.3028 0 4 0 27.92 1.46 3.1964 0 3 2 28.09 70.59 3.1766 2 0 2 28.27 5.34 3.1574 -3 2 2 28.90 90.03 3.0897 -1 4 1 30.60 100.00 2.9216 -4 0 2 30.66 9.24 2.9159 4 0 0 30.68 2.36 2.9146 3 3 0 31.12 22.42 2.8739 2 4 0 31.42 1.67 2.8474 4 1 0 31.91 61.55 2.8047 0 2 3 32.11 20.32 2.7873 -4 2 1 33.28 14.18 2.6921 0 4 2 34.02 15.93 2.6352 -2 4 2 34.36 1.11 2.6097 3 3 1 34.96 38.26 2.5661 -3 4 1 36.82 23.57 2.4406 -2 0 4 37.11 2.50 2.4221 3 2 2 37.58 4.31 2.3934 -4 2 3 37.68 6.53 2.3871 4 2 1 38.75 7.66 2.3234 0 0 4 38.80 1.33 2.3207 -1 4 3 38.93 2.75 2.3128 3 4 1 39.44 4.88 2.2846 2 2 3 39.49 16.37 2.2814 -1 2 4 39.35 7.71 2.2895 2 4 2 39.75 6.00 2.2673 -5 2 2 40.76 2.28 2.2131 -3 2 4 41.44 2.42 2.1786 4 0 2 41.25 5.10 2.1883 -4 4 2 41.29 1.07 2.1859 4 4 0 42.56 1.36 2.1237 1 1 4 42.17 19.42 2.1426 0 6 1 42.46 10.54 2.1283 1 4 3 43.93 10.82 2.0605 -2 6 1 44.44 9.69 2.0379 -6 0 2 45.00 1.42 2.0141 -6 1 2 45.03 1.47 2.0127 -6 1 1 45.16 5.20 2.0071 -1 6 2 46.41 15.63 1.9558 2 0 4 46.24 5.63 1.9629 -2 4 4 46.18 2.60 1.9652 2 6 1 46.95 2.56 1.9347 2 1 4 46.71 2.72 1.9440 6 0 0 46.66 18.98 1.9461 -6 2 1 47.44 2.80 1.9160 3 6 0 47.85 1.77 1.9003 0 4 4 48.73 3.45 1.8682 -6 2 3 49.43 1.12 1.8434 5 1 2 49.22 4.70 1.8508 -5 4 3 49.39 1.41 1.8448 -1 7 1 50.02 9.91 1.8227 -4 4 4 51.03 4.82 1.7892 0 2 5 50.78 1.10 1.7973 -6 0 4 50.86 4.02 1.7947 0 6 3 50.99 1.54 1.7905 2 5 3 51.09 6.68 1.7873 -4 2 5 51.25 1.44 1.7821 4 2 3 51.23 2.69 1.7827 3 4 3 51.00 18.41 1.7901 -4 6 1 51.37 6.80 1.7782 5 4 1 52.70 1.32 1.7361 1 1 5 53.78 7.37 1.7038 3 2 4 54.57 2.31 1.6812 3 6 2 55.02 3.35 1.6684 -1 4 5 55.05 2.22 1.6676 -3 4 5 54.77 2.55 1.6753 6 4 0 54.91 1.06 1.6715 -4 6 3 55.60 1.18 1.6525 3 5 3 56.40 1.18 1.6307 -2 0 6 56.31 20.32 1.6331 2 6 3 56.36 1.05 1.6320 -1 6 4 56.81 14.14 1.6199 6 0 2 56.70 2.02 1.6227 -1 8 1 56.98 3.51 1.6156 7 2 0 57.28 1.21 1.6079 6 1 2 57.33 7.21 1.6064 -3 6 4 57.25 1.04 1.6084 -4 7 1 57.86 6.29 1.5929 -4 0 6 58.36 10.17 1.5807 2 2 5 58.02 9.08 1.5889 2 8 0 58.46 6.78 1.5780 -6 2 5 58.71 1.44 1.5720 -7 2 4 59.29 1.46 1.5579 -1 2 6 59.37 5.54 1.5561 0 8 2 59.82 5.13 1.5454 -5 4 5 59.84 5.79 1.5449 -2 8 2 60.12 3.50 1.5385 -7 4 1 60.17 4.18 1.5372 -8 0 2 60.96 10.78 1.5192 -7 4 3 62.11 5.29 1.4939 -5 2 6 62.81 3.55 1.4788 -8 2 3 63.07 2.17 1.4733 -1 8 3 63.61 1.09 1.4622 -2 4 6 63.17 7.81 1.4713 3 8 1 63.52 8.65 1.4639 -2 6 5 63.58 3.24 1.4628 5 4 3 63.46 1.33 1.4652 2 8 2 63.85 5.77 1.4572 -6 0 6 63.67 2.60 1.4608 -8 0 4 63.81 4.22 1.4580 8 0 0 63.99 1.56 1.4544 6 4 2 63.77 6.99 1.4589 -6 6 3 64.70 3.00 1.4401 1 2 6 64.97 2.84 1.4348 -4 4 6 65.14 5.00 1.4314 4 4 4 64.82 2.35 1.4377 -4 8 2 65.71 9.17 1.4203 0 6 5 65.81 1.28 1.4185 6 2 3 65.76 5.08 1.4193 -4 6 5 65.90 4.59 1.4167 4 6 3 66.69 1.64 1.4019 5 2 4 66.87 1.85 1.3986 7 2 2 67.13 1.99 1.3936 -8 4 2 67.33 4.11 1.3900 6 6 1 68.82 4.71 1.3636 -2 2 7 69.63 1.71 1.3497 -8 2 5 70.02 3.48 1.3431 -7 2 6 70.62 1.63 1.3332 -6 4 6 70.93 2.83 1.3281 -5 8 3 71.58 3.10 1.3176 -4 8 4 72.12 2.89 1.3090 2 6 5 73.86 1.14 1.2824 2 4 6 75.50 5.01 1.2586 6 8 0 76.15 1.01 1.2494 -8 6 3 76.53 3.11 1.2442 -9 4 1 76.83 1.82 1.2400 -3 10 2 77.89 1.00 1.2258 1 6 6 78.92 2.18 1.2124 6 6 3 79.57 1.20 1.2041 -3 2 8 79.74 1.90 1.2019 5 6 4 79.34 1.06 1.2070 -10 0 4 80.41 1.69 1.1936 8 4 2 80.11 1.41 1.1974 -7 8 1 81.23 3.06 1.1836 -5 2 8 82.17 4.90 1.1724 -4 6 7 82.88 2.27 1.1642 8 2 3 82.69 1.06 1.1664 10 0 0 83.17 1.86 1.1608 -1 10 4 83.80 1.46 1.1537 9 4 1 84.13 2.10 1.1500 -10 4 2 84.61 2.06 1.1448 4 8 4 85.07 1.34 1.1397 9 2 2 87.05 1.41 1.1188 5 2 6 88.83 1.76 1.1009 0 12 0 89.72 1.06 1.0923 -1 12 1 91.47 3.04 1.0759 2 0 8 91.47 3.04 1.0759 2 0 8 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.