Maya Blue Chiari G, Giustetto R, Ricchiardi G European Journal of Mineralogy 15 (2003) 21-33 Crystal structure refinements of palygorskite and Maya Blue from molecular modeling and powder synchrotron diffraction Sample: MP (3 cells+indigo) _database_code_amcsd 0006957 CELL PARAMETERS: 13.4100 17.8910 15.7400 90.000 107.060 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 3610.149 Density (g/cm3): 2.307 MAX. ABS. INTENSITY / VOLUME**2: 17.39434863 RIR: 2.455 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.49 100.00 10.4208 1 1 0 4 9.89 2.41 8.9455 0 2 0 2 13.82 11.04 6.4100 2 0 0 2 16.39 6.77 5.4072 1 3 0 4 17.68 1.04 5.0158 0 0 3 2 17.70 2.53 5.0105 -1 1 3 4 19.85 23.15 4.4728 0 4 0 2 20.30 4.57 4.3750 0 2 3 4 21.38 3.91 4.1564 3 1 0 4 21.46 24.65 4.1404 -2 2 3 4 22.64 1.39 3.9276 -1 3 3 4 24.26 3.33 3.6680 2 4 0 4 25.65 1.16 3.4736 3 3 0 4 26.70 1.01 3.3383 0 4 3 4 27.47 13.51 3.2473 2 2 3 4 27.53 7.06 3.2401 -3 3 3 4 27.84 19.21 3.2050 4 0 0 2 30.05 7.32 2.9735 -4 2 3 4 34.17 9.90 2.6240 -3 5 3 4 34.36 1.74 2.6097 -2 0 6 2 34.42 9.15 2.6052 4 4 0 4 34.74 3.24 2.5820 3 3 3 4 35.01 13.87 2.5631 0 6 3 4 35.72 6.62 2.5133 -2 6 3 4 35.80 10.08 2.5079 0 0 6 2 36.17 2.00 2.4835 -3 1 6 4 38.85 1.63 2.3181 4 2 3 4 38.89 3.21 2.3159 1 1 6 4 40.00 1.59 2.2541 -2 4 6 4 40.33 1.05 2.2364 0 8 0 2 40.33 1.72 2.2361 3 5 3 4 41.52 1.07 2.1747 1 3 6 4 41.69 1.53 2.1664 -4 6 3 4 42.30 2.54 2.1367 6 0 0 2 42.38 2.86 2.1328 2 0 6 2 42.42 6.41 2.1310 -3 7 3 4 47.21 1.22 1.9252 2 4 6 4 47.69 1.44 1.9070 3 7 3 4 50.07 1.67 1.8219 7 1 0 4 50.14 1.17 1.8193 -7 3 3 4 51.41 1.74 1.7775 -6 6 3 4 51.58 2.39 1.7719 -6 4 6 4 51.73 1.15 1.7672 -3 9 3 4 52.52 1.65 1.7425 4 0 6 2 54.45 2.34 1.6852 -7 5 3 4 54.94 1.52 1.6711 -4 2 9 4 54.96 1.97 1.6707 -2 10 3 4 57.02 2.11 1.6152 -4 8 6 4 58.55 1.03 1.5764 -8 0 6 2 58.80 1.45 1.5704 5 1 6 4 59.52 1.17 1.5531 -1 5 9 4 59.87 1.61 1.5449 6 8 0 4 60.51 1.98 1.5302 -7 7 3 4 61.49 3.18 1.5079 -2 6 9 4 62.23 1.03 1.4918 2 2 9 4 62.27 2.67 1.4909 0 12 0 2 64.56 2.02 1.4436 7 5 3 4 65.28 1.21 1.4293 -1 7 9 4 65.37 1.01 1.4275 -9 1 6 4 68.83 1.10 1.3640 6 4 6 4 70.09 1.85 1.3425 7 7 3 4 72.43 1.57 1.3048 -4 0 12 2 73.10 1.33 1.2945 -2 12 6 4 73.96 3.46 1.2816 0 12 6 4 75.68 1.14 1.2567 -4 12 6 4 75.97 1.22 1.2526 -4 4 12 4 85.77 1.16 1.1328 4 12 6 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.