Triphylite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R050366 Losey A, Rakovan J F, Hughes J M, Francis C A, Dyar M D The Canadian Mineralogist 42 (2004) 1105-1115 Structural variation in the lithiophilite-triphylite series and other olivine-group structures Sample: Trip79 Locality: Palermo #1 Quarry, Groton, New Hampshire CELL PARAMETERS: 4.698186 10.35450 6.022090 90.00000 90.00000 90.00000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 17.15 31.85 5.1772 0 2 0 20.78 64.37 4.2784 1 1 0 22.67 20.03 3.9259 0 2 1 24.04 8.07 3.7042 1 0 1 25.56 76.42 3.4878 1 1 1 25.62 13.69 3.4792 1 2 0 29.67 10.75 3.0126 1 2 1 29.68 67.40 3.0110 0 0 2 32.19 29.70 2.7816 1 3 0 34.47 1.83 2.6028 0 2 2 35.56 100.00 2.5252 1 3 1 36.50 30.88 2.4624 1 1 2 37.84 21.44 2.3782 0 4 1 39.33 12.21 2.2909 2 1 0 39.59 11.61 2.2768 1 2 2 39.76 15.57 2.2673 1 4 0 42.21 8.51 2.1412 2 1 1 42.25 10.75 2.1392 2 2 0 44.33 6.07 2.0432 1 3 2 44.97 4.77 2.0158 2 2 1 46.25 2.13 1.9629 0 4 2 48.01 1.48 1.8950 1 5 0 49.19 12.86 1.8521 2 0 2 49.37 1.03 1.8459 1 0 3 50.02 2.92 1.8232 2 1 2 50.20 13.96 1.8173 1 1 3 50.48 6.48 1.8076 1 5 1 52.46 33.67 1.7439 2 2 2 52.60 7.66 1.7396 2 4 0 52.63 5.85 1.7387 1 2 3 53.06 1.06 1.7257 0 6 0 54.93 16.71 1.6713 2 4 1 55.37 18.69 1.6590 0 6 1 56.53 22.45 1.6278 1 3 3 57.45 2.51 1.6038 1 5 2 58.14 12.31 1.5863 0 4 3 61.39 1.36 1.5098 2 1 3 61.58 14.34 1.5055 0 0 4 61.64 4.60 1.5042 2 5 1 61.85 9.10 1.4997 3 1 1 61.88 2.30 1.4990 3 2 0 61.96 12.98 1.4973 0 6 2 63.99 3.72 1.4546 3 2 1 65.73 3.05 1.4202 1 1 4 66.22 6.97 1.4109 1 7 0 67.30 2.00 1.3908 2 6 0 67.47 5.13 1.3877 3 3 1 68.01 1.46 1.3780 1 5 3 69.32 3.35 1.3551 2 6 1 70.10 10.88 1.3419 3 2 2 70.22 1.44 1.3399 3 4 0 71.19 3.64 1.3240 1 3 4 71.78 2.55 1.3146 2 4 3 72.20 5.14 1.3079 3 4 1 72.16 6.73 1.3086 0 6 3 73.44 3.13 1.2889 3 3 2 74.19 8.22 1.2776 1 7 2 74.88 1.59 1.2675 2 0 4 75.54 1.89 1.2582 2 1 4 77.50 3.38 1.2312 2 2 4 77.70 2.87 1.2285 2 5 3 77.88 2.18 1.2261 3 1 3 82.00 1.43 1.1745 4 0 0 83.03 2.56 1.1626 3 3 3 83.31 1.43 1.1594 1 1 5 83.62 1.82 1.1558 2 7 2 83.81 3.35 1.1538 3 5 2 83.90 2.03 1.1528 1 8 2 84.56 1.02 1.1454 4 2 0 84.76 2.00 1.1432 2 6 3 85.16 1.55 1.1388 3 6 1 85.20 1.70 1.1384 2 4 4 85.56 1.27 1.1345 0 6 4 87.19 1.86 1.1175 1 9 0 87.48 4.20 1.1145 3 4 3 87.52 2.71 1.1141 2 8 1 88.40 5.46 1.1053 1 3 5 88.40 5.46 1.1053 1 3 5 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.