Picropharmacolite Catti M, Ferraris G, Ivaldi G American Mineralogist 66 (1981) 385-391 The crystal structure of picropharmacolite, Ca4Mg(HAsO4)2(AsO4)2*11H2O _database_code_amcsd 0000825 CELL PARAMETERS: 13.5470 13.5000 6.7100 99.850 96.410 91.600 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1200.121 Density (g/cm3): 2.662 MAX. ABS. INTENSITY / VOLUME**2: 30.28767718 RIR: 3.704 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 6.57 100.00 13.4468 1 0 0 2 6.65 14.70 13.2856 0 1 0 2 9.13 6.14 9.6863 -1 1 0 2 9.58 18.35 9.2318 1 1 0 2 13.33 1.46 6.6428 0 2 0 2 13.96 1.46 6.3438 0 -1 1 2 14.48 1.28 6.1185 -2 1 0 2 15.71 3.02 5.6422 1 0 1 2 16.07 1.34 5.5140 0 1 1 2 16.63 6.12 5.3296 -1 1 1 2 17.25 4.06 5.1418 0 -2 1 2 18.33 5.11 4.8399 -2 -1 1 2 18.82 4.80 4.7163 1 -2 1 2 19.57 1.05 4.5370 -2 1 1 2 19.81 1.66 4.4823 3 0 0 2 19.99 1.37 4.4419 2 0 1 2 20.05 3.71 4.4285 0 3 0 2 20.81 1.41 4.2676 -1 3 0 2 21.22 6.68 4.1866 3 1 0 2 21.42 1.16 4.1475 1 3 0 2 23.32 1.49 3.8145 1 -3 1 2 23.40 2.90 3.8011 -3 2 0 2 23.52 11.17 3.7827 -2 3 0 2 25.36 1.99 3.5127 3 -1 1 2 25.53 1.78 3.4896 -2 -3 1 2 25.75 7.00 3.4599 2 2 1 2 26.19 2.75 3.4024 2 -3 1 2 26.36 2.46 3.3807 -1 3 1 2 26.81 1.24 3.3252 0 -1 2 2 27.11 2.07 3.2896 3 -2 1 2 27.11 1.37 3.2894 -3 2 1 2 27.68 5.44 3.2224 4 1 0 2 27.90 4.27 3.1982 0 -4 1 2 27.98 13.38 3.1890 1 4 0 2 28.13 5.57 3.1719 0 -2 2 2 28.36 8.90 3.1469 -4 0 1 2 29.10 4.26 3.0692 -1 1 2 2 29.15 15.63 3.0639 0 1 2 2 29.45 3.57 3.0330 -3 -3 1 2 29.52 2.35 3.0261 1 -2 2 2 30.32 3.06 2.9476 3 -3 1 2 30.56 2.22 2.9253 -2 1 2 2 30.57 1.14 2.9240 2 3 1 2 30.59 7.86 2.9226 2 4 0 2 30.71 2.55 2.9117 1 1 2 2 30.94 2.18 2.8906 0 -3 2 2 31.17 4.89 2.8693 -1 -3 2 2 31.23 5.69 2.8642 4 -1 1 2 31.83 3.79 2.8114 -3 0 2 2 31.94 4.43 2.8019 -4 2 1 2 32.29 1.91 2.7727 2 -2 2 2 32.48 1.09 2.7570 0 2 2 2 32.62 4.87 2.7449 4 -2 1 2 32.82 5.65 2.7286 -2 -3 2 2 33.96 1.48 2.6396 1 2 2 2 34.37 1.63 2.6093 3 4 0 2 34.51 3.44 2.5987 -5 0 1 2 34.61 1.72 2.5915 3 3 1 2 35.03 1.19 2.5615 -5 -1 1 2 35.32 1.65 2.5410 4 -3 1 2 35.64 4.48 2.5191 -4 3 1 2 35.77 1.04 2.5105 3 0 2 2 36.71 2.56 2.4479 -2 -5 1 2 37.15 1.45 2.4200 -4 -2 2 2 37.45 1.24 2.4014 -5 2 1 2 41.47 1.97 2.1773 5 2 1 2 41.49 1.61 2.1765 -6 -1 1 2 42.67 1.80 2.1189 -2 4 2 2 42.80 1.77 2.1126 2 -6 1 2 44.96 1.13 2.0163 5 3 1 2 45.46 1.76 1.9954 3 -6 1 2 45.93 1.36 1.9757 1 -6 2 2 46.44 1.04 1.9552 -2 6 1 2 47.66 1.17 1.9080 3 -1 3 2 48.09 1.16 1.8919 -1 7 0 2 48.22 2.28 1.8872 -4 1 3 2 48.90 1.85 1.8626 1 5 2 2 49.39 2.40 1.8452 -6 -4 1 2 51.09 2.47 1.7878 2 5 2 2 51.88 1.69 1.7624 -5 1 3 2 52.53 1.02 1.7422 4 0 3 2 52.56 1.08 1.7413 -5 -3 3 2 53.74 1.16 1.7055 6 -5 1 2 55.03 1.57 1.6687 -3 -7 2 2 57.09 1.56 1.6133 -6 -3 3 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.