Catapleiite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R060198 Ilyushin G D, Voronkov A A, Ilyukhin V V, Nevskii N N, Belov N V Doklady Akademii Nauk SSSR 260 (1981) 623-627 Crystal structure of natural monoclinic catapleiite, Na2ZrSi3O9*2H2O CELL PARAMETERS: 7.378000 12.77900 10.09600 90.00000 90.00000 90.00000 SPACE GROUP: B2/b X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 13.87 75.76 6.4222 1 1 0 13.89 24.24 6.4149 0 2 0 14.90 13.63 5.9784 1 0 1 16.44 45.29 5.4190 1 1 1 16.45 22.30 5.4146 0 2 1 17.65 1.63 5.0485 0 0 2 20.39 7.83 4.3736 1 2 1 22.48 71.87 3.9690 1 1 2 22.49 24.10 3.9673 0 2 2 24.07 5.00 3.7093 2 0 0 24.10 17.18 3.7051 1 3 0 27.86 10.55 3.2111 2 2 0 27.89 5.94 3.2075 0 4 0 29.21 4.21 3.0650 1 0 3 29.26 53.03 3.0601 2 2 1 29.29 28.07 3.0569 0 4 1 29.96 19.79 2.9892 2 0 2 29.99 50.93 2.9870 1 3 2 30.05 16.85 2.9811 1 1 3 30.05 8.82 2.9804 0 2 3 32.44 1.94 2.7656 1 2 3 33.13 41.49 2.7095 2 2 2 33.16 19.14 2.7073 0 4 2 35.63 12.93 2.5243 0 0 4 37.09 4.87 2.4282 3 1 0 37.12 3.89 2.4262 2 4 0 37.14 5.15 2.4250 1 5 0 38.38 1.81 2.3493 1 1 4 40.15 2.58 2.2494 3 2 1 40.78 3.88 2.2159 1 4 3 41.32 2.10 2.1882 3 1 2 41.35 1.04 2.1868 2 4 2 41.36 2.20 2.1859 1 5 2 43.42 1.61 2.0869 2 0 4 43.44 4.58 2.0861 1 3 4 45.08 1.65 2.0134 1 6 1 45.78 24.93 1.9845 2 2 4 45.80 12.88 1.9836 0 4 4 46.11 21.33 1.9709 3 3 2 46.16 8.80 1.9690 0 6 2 47.24 1.09 1.9264 1 1 5 47.85 1.46 1.9031 3 2 3 49.18 11.65 1.8546 4 0 0 49.24 25.61 1.8525 2 6 0 50.58 2.82 1.8063 3 3 3 50.62 1.09 1.8049 0 6 3 51.33 1.52 1.7817 4 2 0 51.36 2.24 1.7806 3 5 0 51.40 2.48 1.7793 1 7 0 52.33 13.51 1.7500 3 1 4 52.35 10.72 1.7492 2 4 4 52.36 12.52 1.7488 1 5 4 52.62 2.43 1.7409 4 0 2 52.68 4.87 1.7391 2 6 2 53.66 1.02 1.7095 2 2 5 54.67 2.18 1.6801 4 2 2 54.71 3.23 1.6792 3 5 2 54.74 3.30 1.6782 1 7 2 55.20 1.03 1.6653 1 4 5 56.40 1.25 1.6327 3 3 4 56.58 5.26 1.6279 1 1 6 56.58 2.01 1.6278 0 2 6 57.44 1.75 1.6056 4 4 0 57.77 1.02 1.5971 3 6 1 58.23 2.48 1.5856 4 4 1 58.30 1.31 1.5839 0 8 1 60.45 1.16 1.5325 2 0 6 60.46 3.41 1.5322 1 3 6 60.55 6.64 1.5301 4 4 2 60.62 3.78 1.5285 0 8 2 62.14 3.95 1.4946 4 0 4 62.19 7.52 1.4935 2 6 4 62.33 9.20 1.4906 2 2 6 62.35 4.79 1.4902 0 4 6 63.86 1.41 1.4584 5 1 1 63.93 1.61 1.4571 3 7 1 63.95 1.60 1.4566 2 8 1 64.00 1.68 1.4556 4 2 4 64.03 2.20 1.4550 3 5 4 64.06 2.01 1.4543 1 7 4 66.07 5.03 1.4148 5 1 2 66.14 5.52 1.4136 3 7 2 66.16 3.74 1.4132 2 8 2 66.76 1.22 1.4018 5 3 0 66.86 1.19 1.3999 1 9 0 67.81 1.12 1.3826 1 5 6 69.40 4.82 1.3547 4 4 4 69.46 2.06 1.3536 0 8 4 69.64 2.39 1.3507 5 3 2 69.68 1.82 1.3500 4 6 2 69.74 2.47 1.3490 1 9 2 69.67 2.25 1.3501 5 1 3 69.74 1.97 1.3490 3 7 3 69.76 2.21 1.3487 2 8 3 71.31 3.40 1.3230 3 3 6 71.35 1.48 1.3224 0 6 6 71.76 2.50 1.3158 2 2 7 71.78 1.29 1.3155 0 4 7 73.79 1.44 1.2844 5 5 0 75.32 3.82 1.2621 0 0 8 77.02 1.59 1.2384 1 1 8 77.17 1.28 1.2364 6 0 0 77.27 2.96 1.2350 3 9 0 78.14 1.07 1.2234 4 2 6 78.17 1.39 1.2230 3 5 6 78.20 1.40 1.2226 1 7 6 81.56 3.32 1.1804 6 2 2 81.64 3.38 1.1795 4 8 2 81.69 3.28 1.1790 2 10 2 82.05 1.25 1.1747 2 2 8 83.17 3.13 1.1617 4 4 6 83.23 1.66 1.1610 0 8 6 84.68 4.12 1.1448 5 5 4 84.77 1.99 1.1437 0 10 4 87.01 1.55 1.1199 3 1 8 87.03 1.30 1.1197 2 4 8 87.04 1.63 1.1196 1 5 8 88.05 1.63 1.1094 3 9 4 88.11 1.92 1.1088 5 1 6 88.17 2.05 1.1082 3 7 6 88.19 1.50 1.1080 2 8 6 88.19 1.50 1.1080 2 8 6 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.