Vlasovite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R060913 Voronkov A A, Zhdanova T A, Pyatenko Y A Kristallografiya 19 (1974) 252-259 Refinement of the structure of vlasovite Na2ZrSi4O11 and some characteristics of the composition and structure of the zirconosilicates CELL PARAMETERS: 10.98000 10.00000 8.520000 90.00000 100.4000 90.00000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 11.98 9.18 7.3960 1 1 0 14.95 24.69 5.9298 -1 1 1 16.33 42.31 5.4301 2 0 0 16.89 61.32 5.2507 1 1 1 17.57 76.04 5.0502 0 2 0 20.50 9.20 4.3322 0 2 1 21.08 37.05 4.2146 0 0 2 22.98 41.90 3.8707 -1 1 2 24.07 1.53 3.6980 2 2 0 24.30 55.44 3.6625 -2 0 2 25.09 30.71 3.5496 -2 2 1 25.57 19.78 3.4835 1 1 2 26.15 5.92 3.4078 3 1 0 26.50 69.73 3.3627 -3 1 1 27.49 11.38 3.2439 2 2 1 27.56 100.00 3.2358 0 2 2 27.74 4.56 3.2158 1 3 0 29.05 1.03 3.0733 2 0 2 29.19 17.23 3.0591 -1 3 1 29.89 45.16 2.9890 3 1 1 30.14 9.45 2.9649 -2 2 2 30.26 90.85 2.9528 1 3 1 30.83 15.91 2.8999 -3 1 2 32.98 51.19 2.7150 4 0 0 35.53 29.12 2.5262 1 1 3 35.98 2.05 2.4951 -4 0 2 36.01 2.75 2.4936 1 3 2 36.43 1.05 2.4653 3 3 0 36.70 27.63 2.4481 -3 3 1 37.16 3.25 2.4189 0 4 1 37.60 5.40 2.3914 4 2 0 37.90 12.91 2.3733 -3 1 3 39.30 2.86 2.2920 3 3 1 40.04 1.30 2.2511 -3 3 2 40.30 2.95 2.2370 -4 2 2 41.53 16.79 2.1738 -1 3 3 41.68 26.85 2.1661 0 4 2 42.00 14.03 2.1503 -5 1 1 42.90 4.66 2.1073 0 0 4 43.16 1.44 2.0952 -1 1 4 43.52 1.20 2.0789 -2 4 2 43.88 7.42 2.0623 1 3 3 45.14 2.49 2.0080 3 1 3 45.84 3.12 1.9786 5 1 1 45.66 3.28 1.9860 1 5 0 45.89 1.33 1.9766 -3 3 3 46.19 1.30 1.9645 1 1 4 46.51 27.11 1.9518 4 2 2 46.53 1.73 1.9510 2 4 2 46.69 10.72 1.9448 0 2 4 46.62 7.86 1.9474 -1 5 1 46.93 25.13 1.9353 -2 2 4 47.35 2.10 1.9191 1 5 1 49.01 8.56 1.8579 -5 1 3 49.07 1.84 1.8556 2 0 4 49.12 3.64 1.8541 -4 4 1 49.26 2.96 1.8490 4 4 0 50.11 1.32 1.8197 -1 5 2 50.39 5.43 1.8100 6 0 0 50.48 1.04 1.8071 -1 3 4 51.21 11.75 1.7830 -6 0 2 51.45 2.02 1.7752 -5 3 2 51.46 9.46 1.7748 -4 4 2 51.48 3.89 1.7743 1 5 2 52.24 1.74 1.7502 3 3 3 52.52 3.54 1.7417 2 2 4 52.87 5.65 1.7307 5 3 1 52.98 2.57 1.7277 -6 2 1 53.18 1.99 1.7216 -4 2 4 53.63 1.06 1.7082 -3 3 4 53.77 4.72 1.7039 6 2 0 54.00 1.61 1.6971 3 5 1 54.29 5.18 1.6890 -1 1 5 54.55 6.23 1.6813 -6 2 2 54.48 9.54 1.6834 0 6 0 55.75 2.54 1.6482 -5 3 3 55.77 5.23 1.6474 -1 5 3 56.65 1.54 1.6239 -3 1 5 56.73 19.03 1.6220 4 4 2 56.88 1.86 1.6179 0 4 4 57.09 7.17 1.6125 -2 4 4 57.27 4.21 1.6079 2 6 0 57.50 7.52 1.6019 1 1 5 57.68 9.16 1.5973 1 5 3 57.98 1.09 1.5898 5 3 2 58.90 3.92 1.5671 5 1 3 59.28 1.94 1.5581 -7 1 1 59.06 3.12 1.5633 0 6 2 59.35 8.31 1.5565 -3 5 3 60.19 3.74 1.5366 4 0 4 60.33 1.02 1.5335 7 1 0 60.50 2.71 1.5296 -2 6 2 62.07 2.20 1.4945 6 2 2 62.03 2.47 1.4953 2 4 4 63.17 2.72 1.4711 6 4 0 63.22 7.63 1.4701 4 2 4 63.52 2.51 1.4637 7 1 1 63.75 1.21 1.4591 -7 1 3 63.63 3.75 1.4616 1 3 5 63.88 4.29 1.4565 -6 4 2 64.20 7.39 1.4498 -5 1 5 64.20 9.44 1.4500 -6 2 4 64.09 1.61 1.4522 -5 5 2 64.77 1.28 1.4385 3 5 3 65.30 5.66 1.4281 -7 3 1 65.17 5.89 1.4307 4 6 0 65.19 1.50 1.4303 1 7 0 65.55 5.70 1.4234 -2 0 6 66.13 1.18 1.4122 -1 1 6 65.95 2.35 1.4157 -1 7 1 67.03 1.28 1.3955 -4 6 2 67.87 1.71 1.3802 -5 5 3 68.44 2.67 1.3700 -2 2 6 68.75 1.56 1.3647 2 6 3 68.77 2.15 1.3643 -1 7 2 69.16 1.93 1.3575 8 0 0 69.34 2.52 1.3544 7 3 1 70.34 1.07 1.3376 -3 7 1 71.88 2.09 1.3127 4 4 4 71.98 1.36 1.3111 2 4 5 72.03 1.83 1.3103 3 7 1 72.27 1.62 1.3065 -1 5 5 72.40 3.10 1.3046 2 0 6 72.53 2.32 1.3025 -3 7 2 72.80 6.26 1.2983 -6 4 4 72.82 1.40 1.2980 3 5 4 74.06 1.76 1.2794 -5 1 6 75.21 1.24 1.2626 8 2 1 75.69 1.50 1.2557 7 1 3 75.85 2.42 1.2535 3 7 2 76.27 3.75 1.2476 5 5 3 76.66 1.17 1.2422 -3 7 3 77.37 1.62 1.2327 6 6 0 78.02 3.20 1.2241 -6 6 2 78.30 2.67 1.2203 5 1 5 78.92 1.14 1.2122 -1 1 7 79.14 1.43 1.2094 0 8 2 79.36 2.13 1.2067 -5 7 1 80.33 1.17 1.1945 8 2 2 80.41 1.61 1.1935 7 5 1 80.61 1.56 1.1910 -7 5 3 80.97 1.25 1.1867 -6 2 6 81.03 1.73 1.1860 -5 5 5 83.70 1.30 1.1547 5 3 5 83.97 1.43 1.1518 -9 3 1 84.31 3.18 1.1479 -1 3 7 85.37 1.12 1.1364 -5 1 7 86.84 1.59 1.1209 -9 3 3 88.05 1.10 1.1086 1 3 7 88.37 1.03 1.1054 8 4 2 88.51 1.22 1.1040 1 9 1 88.51 1.22 1.1040 1 9 1 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.