Studenitsite Yamnova N A, Egorov-Tismenko Y K, Pushcharovskii D Y, Malinko S V, Dorokhova G I Crystallography Reports 38 (1993) 749-752 Crystal structure of a new natural Na,Ca-hydroborate NaCa2[B9O14(OH)4]*2H2O Locality: volcanic ash deposit, near Belgrade, Yugoslavia _database_code_amcsd 0012343 CELL PARAMETERS: 11.5030 10.5300 12.5800 90.000 90.000 99.480 SPACE GROUP: P2_1/b X-RAY WAVELENGTH: 1.541838 Cell Volume: 1502.963 Density (g/cm3): 2.335 MAX. ABS. INTENSITY / VOLUME**2: 4.245517883 RIR: 0.592 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.79 19.54 11.3459 1 0 0 2 10.50 2.87 8.4254 1 0 1 4 11.05 100.00 8.0092 0 1 1 4 14.08 11.45 6.2900 0 0 2 2 14.32 2.66 6.1836 1 1 1 4 15.62 16.22 5.6730 2 0 0 2 16.11 4.18 5.5012 1 0 2 4 16.48 44.85 5.3803 0 1 2 4 17.07 7.25 5.1931 0 2 0 2 17.15 9.00 5.1714 2 0 1 4 17.57 6.59 5.0470 -1 2 0 2 17.98 1.49 4.9344 2 -1 1 4 18.48 2.32 4.8002 0 2 1 4 18.85 6.33 4.7083 1 1 2 4 18.95 3.05 4.6841 -1 2 1 4 19.94 2.19 4.4526 1 2 0 2 20.30 1.80 4.3747 2 1 1 4 21.17 10.03 4.1974 1 2 1 4 21.21 24.09 4.1896 -2 2 0 2 21.77 11.21 4.0815 2 -1 2 4 22.20 4.86 4.0046 0 2 2 4 22.59 9.49 3.9365 -1 2 2 4 22.61 1.01 3.9333 1 0 3 4 22.87 13.50 3.8884 0 1 3 4 23.52 2.02 3.7820 3 0 0 2 23.73 6.19 3.7500 1 -1 3 4 23.74 1.85 3.7474 2 1 2 4 24.49 2.86 3.6342 1 2 2 4 24.72 6.97 3.6010 3 -1 1 4 25.55 2.68 3.4869 2 -2 2 4 26.08 7.89 3.4169 2 2 1 4 26.43 1.92 3.3721 2 0 3 4 26.61 25.87 3.3495 -1 3 1 4 26.78 7.02 3.3292 -3 2 0 2 26.99 4.66 3.3037 2 -1 3 4 27.34 31.57 3.2625 0 2 3 4 27.52 4.82 3.2412 3 0 2 4 27.66 3.00 3.2253 -1 2 3 4 27.72 1.03 3.2184 3 -2 1 4 28.38 2.14 3.1450 0 0 4 2 28.62 7.40 3.1189 2 1 3 4 28.80 1.37 3.1001 -2 3 1 4 29.06 6.68 3.0729 1 3 1 4 29.26 10.04 3.0527 1 2 3 4 29.36 36.53 3.0416 -1 3 2 4 29.68 4.63 3.0100 0 1 4 4 30.02 7.48 2.9769 3 1 2 4 30.36 2.05 2.9444 1 -1 4 4 30.38 5.09 2.9425 3 -2 2 4 31.10 6.81 2.8756 1 1 4 4 31.37 2.13 2.8512 -2 3 2 4 31.47 2.05 2.8425 3 2 0 2 31.54 6.53 2.8365 4 0 0 2 31.86 1.93 2.8085 3 0 3 4 32.11 18.57 2.7875 4 -1 1 4 32.29 7.55 2.7726 3 2 1 4 32.85 3.00 2.7266 3 -3 1 4 33.06 1.19 2.7096 2 2 3 4 33.31 12.94 2.6901 0 2 4 4 33.41 15.75 2.6821 -4 2 0 2 34.07 6.15 2.6312 3 1 3 4 34.13 2.23 2.6269 -1 4 0 2 34.18 8.31 2.6232 4 -2 1 4 34.40 4.26 2.6074 3 -2 3 4 34.69 2.62 2.5857 4 0 2 4 34.87 2.21 2.5729 4 1 1 4 34.89 1.09 2.5715 -1 4 1 4 34.93 1.46 2.5688 1 2 4 4 35.52 1.96 2.5274 2 3 2 4 36.42 13.92 2.4672 4 -2 2 4 36.75 9.21 2.4453 0 1 5 4 37.07 2.49 2.4252 4 1 2 4 37.18 1.44 2.4181 3 0 4 4 37.32 2.06 2.4097 1 -1 5 4 37.47 1.25 2.4001 1 4 1 4 38.23 3.38 2.3542 2 2 4 4 38.25 2.43 2.3529 3 2 3 4 38.44 3.04 2.3421 -2 4 2 4 38.68 3.92 2.3279 0 3 4 4 38.70 4.88 2.3269 -3 4 0 2 38.71 2.34 2.3261 3 3 1 4 39.07 1.16 2.3054 2 3 3 4 39.13 2.36 2.3022 3 1 4 4 39.17 3.16 2.2999 2 0 5 4 39.41 2.97 2.2862 3 -2 4 4 39.54 5.90 2.2789 1 4 2 4 39.56 1.38 2.2779 2 -1 5 4 39.72 4.81 2.2692 5 0 0 2 39.81 3.96 2.2643 0 2 5 4 39.89 3.10 2.2598 5 -1 1 4 40.28 3.17 2.2391 4 -3 2 4 40.39 2.24 2.2331 5 0 1 4 40.41 2.02 2.2322 1 3 4 4 40.50 11.07 2.2271 4 1 3 4 40.74 2.97 2.2146 2 1 5 4 40.88 18.50 2.2076 0 4 3 4 41.21 7.01 2.1905 1 2 5 4 41.78 3.32 2.1622 -2 4 3 4 41.87 1.49 2.1578 5 -1 2 4 41.88 2.76 2.1569 2 -2 5 4 42.34 1.47 2.1345 5 0 2 4 42.78 1.60 2.1140 5 1 1 4 42.81 3.95 2.1122 1 4 3 4 42.94 5.73 2.1063 4 0 4 4 43.15 2.19 2.0967 0 0 6 2 43.26 3.14 2.0915 5 -2 2 4 43.27 8.12 2.0907 3 -1 5 4 43.50 4.51 2.0804 4 -3 3 4 43.58 2.04 2.0767 -1 5 1 4 43.63 5.17 2.0744 2 3 4 4 43.81 1.53 2.0663 4 -4 1 4 43.91 1.05 2.0618 1 0 6 4 44.12 1.50 2.0528 2 2 5 4 44.50 2.87 2.0362 -2 5 1 4 44.53 1.36 2.0346 -3 4 3 4 44.92 2.71 2.0181 3 1 5 4 44.95 1.93 2.0168 4 1 4 4 45.00 3.18 2.0147 5 -1 3 4 45.09 3.36 2.0108 1 1 6 4 45.11 2.85 2.0097 4 3 1 4 45.42 1.43 1.9967 -1 5 2 4 45.51 1.98 1.9929 3 4 0 2 45.65 3.74 1.9875 4 -4 2 4 46.01 5.87 1.9725 0 5 2 4 46.06 2.38 1.9704 1 3 5 4 46.16 1.44 1.9664 2 4 3 4 46.22 6.56 1.9640 5 2 0 2 46.28 5.69 1.9618 1 5 1 4 46.31 1.46 1.9606 -2 5 2 4 46.31 4.18 1.9604 5 -2 3 4 46.39 4.86 1.9575 5 -3 2 4 46.50 11.14 1.9528 2 -1 6 4 46.82 7.94 1.9405 5 2 1 4 46.86 3.51 1.9387 -3 5 1 4 46.91 2.52 1.9369 4 3 2 4 47.54 1.04 1.9125 2 1 6 4 47.63 1.66 1.9093 5 1 3 4 47.72 3.84 1.9060 4 -3 4 4 47.96 5.03 1.8969 1 2 6 4 48.12 2.60 1.8910 6 0 0 2 48.18 4.79 1.8886 4 -1 5 4 48.31 1.12 1.8840 3 2 5 4 48.36 1.19 1.8822 4 0 5 4 48.37 1.01 1.8817 -1 5 3 4 48.61 2.76 1.8731 -3 5 2 4 48.68 9.80 1.8706 -3 4 4 4 48.71 2.71 1.8694 3 -3 5 4 48.93 2.14 1.8614 0 5 3 4 49.21 2.65 1.8514 -2 5 3 4 49.32 8.19 1.8476 5 -4 1 4 49.53 4.29 1.8402 5 0 4 4 49.69 5.49 1.8346 2 5 1 4 49.72 2.03 1.8336 6 -1 2 4 50.19 3.15 1.8175 4 1 5 4 50.21 4.57 1.8171 2 4 4 4 50.51 3.87 1.8069 0 4 5 4 50.86 2.44 1.7952 -1 3 6 4 50.87 5.05 1.7950 1 5 3 4 51.28 1.20 1.7817 -2 4 5 4 51.28 2.45 1.7816 3 1 6 4 51.48 1.09 1.7750 1 0 7 4 52.05 1.35 1.7572 1 -1 7 4 52.22 1.15 1.7517 5 3 1 4 52.53 2.47 1.7422 1 1 7 4 52.89 1.73 1.7310 0 6 0 2 53.43 1.73 1.7149 0 6 1 4 53.48 1.58 1.7132 2 0 7 4 53.80 2.17 1.7041 2 -1 7 4 53.84 3.53 1.7029 5 3 2 4 54.37 1.01 1.6873 3 2 6 4 54.42 1.62 1.6860 4 0 6 4 54.51 4.32 1.6834 3 4 4 4 54.74 1.56 1.6768 3 -3 6 4 54.96 1.23 1.6707 1 6 0 2 55.21 2.30 1.6637 5 -2 5 4 55.70 2.84 1.6502 6 -4 1 4 56.28 1.96 1.6347 4 4 3 4 56.41 1.27 1.6313 0 4 6 4 56.86 1.64 1.6193 5 -5 2 4 57.04 1.76 1.6147 1 6 2 4 57.61 1.09 1.6001 0 6 3 4 58.14 1.18 1.5866 -4 6 1 4 58.71 2.42 1.5725 0 0 8 2 58.84 2.77 1.5694 3 3 6 4 58.90 1.16 1.5679 6 1 4 4 59.14 1.35 1.5622 3 4 5 4 59.17 1.22 1.5614 -3 6 3 4 59.77 1.57 1.5472 6 -4 3 4 59.93 1.02 1.5435 6 3 1 4 61.04 1.57 1.5181 4 0 7 4 62.34 1.07 1.4896 -7 4 0 2 62.62 1.56 1.4835 4 1 7 4 62.63 1.09 1.4833 -1 4 7 4 63.29 1.18 1.4693 5 -3 6 4 64.77 1.16 1.4393 -1 6 5 4 65.28 1.28 1.4293 -8 2 0 2 67.54 1.26 1.3870 8 -3 1 4 72.66 2.01 1.3012 8 -2 4 4 73.07 1.36 1.2951 5 -4 7 4 73.48 1.10 1.2888 -5 6 5 4 73.51 1.26 1.2884 -3 8 1 4 74.31 1.12 1.2763 6 -6 4 4 77.29 1.08 1.2345 3 4 8 4 81.65 1.12 1.1792 7 1 7 4 82.24 1.06 1.1722 -4 7 6 4 82.85 1.02 1.1651 3 8 1 4 83.99 1.04 1.1522 6 5 5 4 84.49 1.19 1.1467 9 -5 2 4 85.20 1.28 1.1390 6 6 3 4 87.33 1.09 1.1166 10 0 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.