Sigloite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050576 Hawthorne F C Mineralogy and Petrology 38 (1988) 201-211 Sigloite: The oxidation mechanism in [M2(PO4)2(OH)2(H21O)2] structures Locality: Siglo XX Mine, Llallagau, Bolivia CELL PARAMETERS: 5.179208 10.39596 7.017160 105.0648 111.3348 70.77104 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 9.15 28.66 9.6906 0 1 0 13.74 100.00 6.4528 0 0 1 15.25 15.84 5.8153 0 -1 1 18.33 34.54 4.8453 0 2 0 18.59 56.81 4.7780 -1 -1 1 18.88 17.39 4.7042 1 1 0 19.07 21.54 4.6570 1 0 0 21.61 5.37 4.1139 -1 -2 1 22.78 23.16 3.9053 1 2 0 23.26 10.64 3.8257 -1 1 0 24.68 6.24 3.6085 0 2 1 24.74 14.12 3.6008 -1 1 1 26.82 12.84 3.3253 1 0 1 27.44 16.65 3.2511 1 1 1 27.62 8.03 3.2302 0 3 0 27.60 2.85 3.2331 -1 -3 1 27.66 32.21 3.2264 0 0 2 28.32 37.29 3.1523 -1 -2 2 28.88 20.28 3.0924 0 -3 1 29.25 4.67 3.0536 1 3 0 29.89 16.72 2.9902 -1 2 0 30.57 4.03 2.9248 0 1 2 30.75 4.13 2.9077 0 -2 2 30.99 9.28 2.8858 1 2 1 31.73 37.46 2.8201 -1 2 1 32.93 13.49 2.7203 0 3 1 34.26 4.83 2.6173 1 -2 1 34.78 2.70 2.5798 -2 -1 1 35.17 25.16 2.5520 -1 -4 1 36.82 2.76 2.4410 -2 0 1 37.52 3.27 2.3972 0 -4 1 37.65 5.15 2.3890 -2 -2 2 37.81 3.25 2.3793 -1 3 0 38.26 5.28 2.3521 2 2 0 38.49 10.63 2.3390 1 0 2 38.67 5.63 2.3285 2 0 0 38.72 1.82 2.3255 -1 -4 2 39.02 1.74 2.3084 -1 2 2 39.49 3.98 2.2818 1 1 2 39.87 4.12 2.2608 -1 3 1 39.82 11.17 2.2638 -2 -3 2 40.47 4.37 2.2287 -1 0 3 41.46 1.15 2.1777 2 3 0 42.00 1.85 2.1509 0 0 3 42.64 5.34 2.1201 0 3 2 42.65 5.51 2.1194 1 2 2 42.92 2.20 2.1068 -2 -4 1 43.21 1.54 2.0936 1 -2 2 43.21 7.47 2.0935 0 -2 3 44.01 3.40 2.0570 -2 -4 2 44.53 10.31 2.0342 2 1 1 44.81 2.57 2.0224 -2 -2 3 45.43 3.93 1.9962 -2 -1 3 45.76 1.49 1.9823 1 5 0 46.22 7.71 1.9638 -2 -3 3 46.54 8.73 1.9508 -1 4 0 46.50 3.88 1.9527 2 4 0 46.69 1.79 1.9451 -1 -4 3 46.86 1.40 1.9384 0 -3 3 47.52 5.16 1.9128 -2 2 0 47.93 3.93 1.8974 2 -1 1 48.02 3.26 1.8941 -2 0 3 48.76 1.92 1.8671 -1 4 1 48.75 3.62 1.8676 1 -4 1 48.98 1.51 1.8592 0 2 3 49.12 1.18 1.8545 2 3 1 49.73 2.04 1.8330 -1 2 3 50.69 4.36 1.8004 -2 2 2 51.97 5.77 1.7591 1 0 3 52.36 1.41 1.7468 2 -2 1 52.37 5.29 1.7465 -1 -2 4 52.84 4.28 1.7322 -1 -5 3 54.05 3.22 1.6960 1 4 2 54.18 1.27 1.6924 -1 0 4 54.63 2.33 1.6795 -3 -3 1 54.91 2.43 1.6717 0 3 3 54.95 1.47 1.6705 1 -2 3 55.00 4.08 1.6691 -1 4 2 55.04 1.40 1.6680 2 1 2 55.09 1.54 1.6665 1 6 0 55.23 1.19 1.6625 -2 -2 4 56.47 1.03 1.6291 0 -6 1 56.57 1.60 1.6264 -3 0 1 56.60 3.44 1.6256 2 2 2 56.73 5.48 1.6222 -3 -4 2 56.87 1.68 1.6184 -2 -6 1 57.00 8.39 1.6151 0 6 0 56.94 2.13 1.6166 -2 -6 2 57.07 2.32 1.6132 0 0 4 57.22 1.33 1.6094 0 -2 4 57.46 1.04 1.6033 1 -5 1 57.47 1.09 1.6029 -3 0 2 57.68 1.12 1.5978 -1 -4 4 58.29 1.60 1.5824 -1 5 1 58.54 1.50 1.5761 -2 -4 4 58.84 3.68 1.5690 -2 0 4 59.06 2.77 1.5636 -3 -1 3 59.53 2.55 1.5523 3 0 0 59.79 2.94 1.5462 0 -6 2 59.83 1.58 1.5454 2 3 2 60.73 5.68 1.5246 2 -2 2 60.72 1.61 1.5247 1 3 3 60.83 2.51 1.5222 -2 -6 3 62.05 3.40 1.4951 -2 4 0 61.99 1.68 1.4965 3 4 0 62.64 1.88 1.4826 -1 -7 1 63.60 3.27 1.4624 0 2 4 64.02 1.75 1.4538 0 -4 4 64.56 2.74 1.4429 2 4 2 65.41 1.91 1.4262 2 -4 1 66.25 2.03 1.4101 -2 4 2 66.27 1.01 1.4097 -3 -6 2 66.45 1.12 1.4064 -3 -4 4 66.66 1.01 1.4025 1 4 3 67.63 1.22 1.3847 -3 2 2 68.14 2.33 1.3756 -2 -6 4 69.02 1.35 1.3601 0 6 2 69.04 1.25 1.3598 -1 -6 4 70.28 1.36 1.3389 1 6 2 70.93 1.57 1.3281 1 7 1 71.47 1.19 1.3194 1 -6 2 71.99 2.17 1.3111 -2 0 5 72.15 1.36 1.3087 2 -4 2 72.77 1.36 1.2990 -1 1 5 73.14 1.54 1.2934 -4 -3 2 73.36 1.75 1.2899 -4 -2 2 74.42 1.37 1.2743 -4 -4 2 75.39 1.12 1.2602 -4 -2 3 76.62 1.31 1.2429 -1 4 4 78.96 1.02 1.2119 2 8 0 79.19 1.72 1.2089 1 -6 3 79.53 1.35 1.2046 0 7 2 80.85 1.63 1.1882 -3 2 4 80.85 1.63 1.1882 -3 2 4 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.