Larderellite Merlino S, Sartori F Acta Crystallographica B25 (1969) 2264-2270 The crystal structure of lardellite, NH4B5O7(OH)2*H2O Locality: synthetic _database_code_amcsd 0009364 CELL PARAMETERS: 9.4700 7.6300 11.6500 90.000 97.080 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 835.365 Density (g/cm3): 1.845 MAX. ABS. INTENSITY / VOLUME**2: 3.294203316 RIR: 0.581 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.41 40.42 9.3978 1 0 0 2 14.96 19.41 5.9235 1 1 0 4 15.33 19.17 5.7806 0 0 2 2 16.27 77.37 5.4463 -1 1 1 4 17.34 44.49 5.1131 1 1 1 4 18.89 20.44 4.6989 2 0 0 2 18.99 2.11 4.6734 1 0 2 2 19.26 14.46 4.6076 0 1 2 4 20.62 20.74 4.3078 -1 1 2 4 22.22 6.31 4.0010 2 1 0 4 22.31 8.74 3.9852 1 1 2 4 22.74 1.38 3.9100 -2 1 1 4 23.32 14.96 3.8150 0 2 0 2 24.29 12.61 3.6640 2 1 1 4 25.71 8.76 3.4644 -2 1 2 4 25.90 1.23 3.4399 0 1 3 4 26.02 10.50 3.4251 -1 2 1 4 26.60 3.65 3.3515 -1 1 3 4 28.02 2.78 3.1841 0 2 2 4 28.43 11.35 3.1393 2 1 2 4 28.49 1.71 3.1326 3 0 0 2 30.17 59.10 2.9618 2 2 0 4 30.57 100.00 2.9242 -2 2 1 4 30.74 5.53 2.9084 -3 0 2 2 30.86 7.17 2.8979 3 1 0 4 30.94 40.45 2.8903 0 0 4 2 31.24 2.17 2.8635 -1 0 4 2 31.77 18.07 2.8170 2 2 1 4 32.70 2.33 2.7382 3 1 1 4 32.89 19.62 2.7232 -2 2 2 4 32.96 2.21 2.7177 -3 1 2 4 33.14 1.52 2.7029 0 1 4 4 33.54 1.98 2.6716 1 0 4 2 33.60 6.51 2.6673 -1 2 3 4 34.20 4.77 2.6221 3 0 2 2 35.10 1.86 2.5565 2 2 2 4 35.24 3.95 2.5468 1 2 3 4 36.16 1.36 2.4839 0 3 1 4 36.22 1.22 2.4798 3 1 2 4 36.60 3.00 2.4550 1 3 0 4 37.14 3.69 2.4210 3 2 0 4 37.19 3.09 2.4173 -1 3 1 4 38.72 11.74 2.3256 3 2 1 4 38.94 2.25 2.3129 -3 2 2 4 39.74 3.49 2.2681 -3 0 4 2 39.99 2.82 2.2545 -4 1 1 4 40.16 1.10 2.2454 4 1 0 4 40.37 1.15 2.2343 2 1 4 4 40.78 1.36 2.2129 0 1 5 4 41.25 1.47 2.1884 1 2 4 4 41.57 3.14 2.1724 2 3 1 4 41.80 4.27 2.1609 3 2 2 4 41.88 6.80 2.1572 4 1 1 4 42.15 4.87 2.1441 -3 2 3 4 42.47 5.09 2.1284 -2 3 2 4 43.04 1.64 2.1014 -1 3 3 4 43.09 2.56 2.0994 1 1 5 4 43.32 1.02 2.0886 4 0 2 2 44.23 8.25 2.0479 -4 1 3 4 44.27 11.68 2.0460 2 3 2 4 45.00 6.69 2.0145 4 1 2 4 45.23 1.41 2.0047 3 0 4 2 45.52 8.76 1.9926 2 2 4 4 45.69 5.94 1.9857 -2 3 3 4 46.86 3.75 1.9389 3 1 4 4 47.17 3.66 1.9269 0 0 6 2 47.30 2.48 1.9217 3 3 1 4 47.49 1.92 1.9146 -3 3 2 4 47.68 1.11 1.9075 0 4 0 2 48.00 16.86 1.8954 -2 2 5 4 48.23 5.15 1.8870 2 3 3 4 48.31 7.03 1.8840 -4 1 4 4 48.36 1.64 1.8821 0 4 1 4 48.43 2.40 1.8796 5 0 0 2 48.74 3.20 1.8682 0 1 6 4 49.09 2.52 1.8560 -5 0 2 2 49.32 1.41 1.8477 4 1 3 4 50.08 4.55 1.8214 -2 3 4 4 50.26 1.11 1.8154 -3 3 3 4 50.96 1.18 1.7919 1 1 6 4 51.50 3.06 1.7746 3 2 4 4 51.76 2.41 1.7661 1 4 2 4 52.03 1.01 1.7576 2 2 5 4 53.43 1.23 1.7150 -4 1 5 4 54.06 1.11 1.6963 -4 3 2 4 54.46 1.74 1.6847 4 3 1 4 54.78 1.05 1.6757 -2 2 6 4 55.46 1.23 1.6568 1 3 5 4 56.68 1.31 1.6239 -1 1 7 4 57.16 1.06 1.6115 -5 2 3 4 58.49 1.32 1.5780 5 1 3 4 58.71 1.04 1.5725 5 2 2 4 59.13 1.13 1.5625 2 3 5 4 61.57 1.96 1.5063 1 5 0 4 61.66 1.05 1.5041 -2 3 6 4 62.38 1.01 1.4886 -6 1 3 4 62.62 3.19 1.4835 -4 4 1 4 62.74 1.70 1.4809 4 4 0 4 63.19 1.59 1.4714 0 4 5 4 63.64 2.22 1.4621 -4 4 2 4 64.00 1.04 1.4547 4 4 1 4 65.82 4.54 1.4188 0 5 3 4 69.29 1.36 1.3561 -6 1 5 4 70.03 2.38 1.3435 -5 4 1 4 70.31 1.09 1.3388 5 4 0 4 78.69 1.06 1.2160 -6 4 1 4 86.92 1.52 1.1208 0 5 7 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.