Szaibelyite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern R070498. Takeuchi Y, Kudoh Y American Mineralogist 60 (1975) 273-279 Szaibelyite, Mq2(OH)[B2O4(OH)]: Crystal structure, pseudosymmetry, and polymorphism CELL PARAMETERS: 12.58284 10.41069 3.136719 90.00000 95.84465 90.00000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 11.07 5.19 8.0042 1 1 0 14.16 77.89 6.2587 2 0 0 17.04 30.91 5.2053 0 2 0 18.47 1.49 4.8063 1 2 0 22.22 4.73 4.0021 2 2 0 22.97 10.15 3.8730 3 1 0 26.66 8.26 3.3441 1 3 0 27.40 36.43 3.2557 3 2 0 28.61 9.81 3.1204 0 0 1 29.43 28.54 3.0349 2 3 0 29.81 3.59 2.9969 4 1 0 29.89 45.86 2.9890 0 1 1 30.05 3.82 2.9736 -1 1 1 30.68 1.94 2.9136 -2 0 1 31.44 7.18 2.8453 1 1 1 31.89 31.40 2.8058 -2 1 1 33.36 25.58 2.6855 2 0 1 33.40 4.54 2.6820 4 2 0 33.48 25.37 2.6764 0 2 1 33.62 59.69 2.6652 -1 2 1 33.58 43.78 2.6681 3 3 0 34.48 36.85 2.6004 2 1 1 34.45 7.77 2.6027 0 4 0 34.88 36.93 2.5717 1 2 1 35.18 8.85 2.5505 -3 1 1 35.21 1.23 2.5482 1 4 0 35.30 100.00 2.5424 -2 2 1 36.92 60.85 2.4341 5 1 0 37.41 6.02 2.4032 2 4 0 37.68 35.36 2.3866 2 2 1 38.33 17.24 2.3479 -3 2 1 38.61 3.29 2.3315 -4 0 1 38.74 2.04 2.3240 4 3 0 38.80 64.24 2.3203 0 3 1 38.93 10.39 2.3131 -1 3 1 39.60 9.26 2.2752 -4 1 1 40.04 3.83 2.2511 1 3 1 40.41 1.73 2.2314 -2 3 1 40.85 52.27 2.2083 3 4 0 41.64 16.11 2.1683 3 2 1 42.47 5.99 2.1278 -4 2 1 42.55 5.85 2.1238 2 3 1 42.95 1.78 2.1050 4 0 1 43.14 9.69 2.0964 -3 3 1 43.36 48.97 2.0862 6 0 0 43.87 10.74 2.0633 4 1 1 44.08 1.70 2.0539 1 5 0 44.62 6.90 2.0303 5 3 0 45.30 20.21 2.0010 4 4 0 45.47 32.15 1.9940 -1 4 1 45.92 7.84 1.9757 2 5 0 46.17 7.18 1.9656 3 3 1 46.46 3.40 1.9539 1 4 1 46.52 6.37 1.9515 4 2 1 46.79 2.24 1.9410 -2 4 1 46.90 6.37 1.9365 6 2 0 46.93 3.70 1.9353 -4 3 1 47.50 5.42 1.9136 -5 2 1 48.70 2.70 1.8690 2 4 1 50.04 5.28 1.8222 -6 0 1 50.57 1.23 1.8043 5 4 0 50.70 9.35 1.7998 4 3 1 50.85 24.27 1.7949 -6 1 1 51.06 1.41 1.7880 6 3 0 51.62 2.93 1.7699 -5 3 1 51.86 10.08 1.7624 7 1 0 52.69 5.99 1.7366 -4 4 1 52.84 30.02 1.7320 0 5 1 53.28 3.23 1.7187 1 6 0 53.82 3.89 1.7026 1 5 1 54.12 24.95 1.6940 -2 5 1 54.21 1.21 1.6912 7 2 0 54.89 1.05 1.6720 2 6 0 55.85 9.41 1.6455 2 5 1 56.15 16.24 1.6374 6 1 1 56.17 1.18 1.6367 4 4 1 56.33 1.77 1.6326 -3 5 1 56.51 3.88 1.6278 6 4 0 57.03 10.93 1.6141 -5 4 1 57.06 26.99 1.6133 -6 3 1 57.38 2.20 1.6051 -7 1 1 57.55 7.42 1.6008 5 5 0 57.99 3.02 1.5896 7 3 0 58.38 5.02 1.5799 6 2 1 58.85 1.45 1.5685 3 5 1 59.01 2.90 1.5647 8 0 0 59.19 35.64 1.5602 0 0 2 59.56 18.06 1.5514 -2 0 2 59.60 1.57 1.5505 -1 1 2 59.74 1.72 1.5473 8 1 0 59.92 2.71 1.5430 0 1 2 61.03 4.50 1.5175 4 6 0 61.16 27.68 1.5145 5 4 1 61.17 8.11 1.5144 -1 6 1 61.89 2.76 1.4984 8 2 0 62.00 21.57 1.4961 6 3 1 61.98 9.77 1.4966 1 6 1 62.25 2.33 1.4908 -2 6 1 62.43 1.10 1.4868 -2 2 2 62.90 12.46 1.4769 1 7 0 63.04 1.29 1.4739 7 4 0 63.84 2.50 1.4574 2 6 1 64.07 4.74 1.4527 -3 2 2 64.28 2.45 1.4484 -3 6 1 65.27 2.38 1.4289 -1 3 2 65.19 2.37 1.4303 7 2 1 65.39 2.67 1.4264 8 3 0 65.57 3.05 1.4230 0 3 2 65.92 2.68 1.4163 -2 3 2 66.50 5.16 1.4053 -8 2 1 66.68 2.53 1.4020 3 1 2 66.74 4.19 1.4009 3 7 0 68.05 1.52 1.3769 -5 1 2 67.96 1.28 1.3786 9 1 0 67.99 14.37 1.3781 -7 4 1 68.71 2.31 1.3653 3 2 2 69.22 2.96 1.3566 7 5 0 69.88 5.18 1.3454 -8 3 1 70.07 1.10 1.3422 -5 2 2 70.03 1.11 1.3428 4 0 2 70.05 2.69 1.3425 0 7 1 70.14 3.08 1.3410 8 4 0 70.13 1.81 1.3411 -1 7 1 70.31 3.30 1.3382 0 4 2 70.56 4.86 1.3340 6 6 0 70.88 1.25 1.3287 1 7 1 71.72 2.54 1.3153 -6 0 2 72.04 4.19 1.3102 3 3 2 72.19 1.92 1.3079 -3 4 2 72.56 2.33 1.3021 8 2 1 72.61 2.45 1.3013 0 8 0 73.06 4.04 1.2944 1 8 0 73.25 1.38 1.2915 7 4 1 73.37 3.08 1.2896 -5 3 2 73.28 1.13 1.2910 9 3 0 73.97 1.19 1.2807 -9 2 1 74.62 3.43 1.2712 -4 4 2 74.73 1.06 1.2695 5 6 1 75.53 7.09 1.2582 5 1 2 75.82 1.23 1.2540 8 3 1 75.98 2.91 1.2517 10 0 0 76.54 1.94 1.2440 -2 5 2 76.45 4.07 1.2453 7 6 0 76.63 1.51 1.2428 10 1 0 76.66 3.21 1.2423 3 8 0 77.21 2.89 1.2349 -9 3 1 77.49 6.67 1.2311 -7 1 2 77.82 2.96 1.2267 9 4 0 79.76 3.40 1.2016 4 8 0 80.14 1.07 1.1969 -10 1 1 80.43 1.91 1.1933 4 4 2 80.49 1.04 1.1926 6 0 2 81.04 1.15 1.1859 -7 6 1 83.07 2.56 1.1620 8 6 0 83.55 1.16 1.1565 -2 6 2 83.63 1.03 1.1556 -5 5 2 83.68 1.56 1.1550 9 3 1 85.26 1.41 1.1376 -8 2 2 88.40 1.17 1.1051 -8 3 2 88.50 6.42 1.1041 6 8 0 88.50 6.42 1.1041 6 8 0 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.