Sepiolite Giustetto R, Levy D, Wahyudi O, Ricchiardi G, Vitillo J G European Journal of Mineralogy 23 (2011) 449-466 Crystal structure refinement of a sepiolite/indigo Maya Blue pigment using molecular modelling and synchrotron diffraction Locality: synthetic Note: Sepiolite with indigo forming Maya Blue _database_code_amcsd 0018364 CELL PARAMETERS: 13.2710 27.0720 5.2748 90.000 90.000 90.000 SPACE GROUP: Pncn X-RAY WAVELENGTH: 1.541838 Cell Volume: 1895.091 Density (g/cm3): 2.392 MAX. ABS. INTENSITY / VOLUME**2: 22.95354979 RIR: 3.125 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.42 100.00 11.9162 1 1 0 4 13.34 4.64 6.6355 2 0 0 2 17.69 4.26 5.0132 1 5 0 4 19.68 5.86 4.5120 0 6 0 2 20.34 1.14 4.3658 3 1 0 4 20.62 17.14 4.3073 1 3 1 8 23.70 4.75 3.7547 2 3 1 8 23.85 7.56 3.7311 2 6 0 4 25.27 1.84 3.5249 2 4 1 8 26.87 8.90 3.3177 4 0 0 2 27.16 1.40 3.2833 2 5 1 8 28.12 8.44 3.1730 3 3 1 8 31.70 1.26 2.8227 2 7 1 8 33.53 2.24 2.6729 4 6 0 4 33.94 2.06 2.6415 5 1 0 4 34.26 4.98 2.6173 2 8 1 8 34.68 5.02 2.5868 1 0 2 4 35.00 12.91 2.5638 1 9 1 8 36.67 1.93 2.4509 2 0 2 4 36.82 4.94 2.4409 2 1 2 8 36.97 1.49 2.4313 2 9 1 8 37.56 3.71 2.3948 3 8 1 8 38.05 1.14 2.3652 2 3 2 8 39.82 2.09 2.2640 2 10 1 8 39.94 2.83 2.2574 3 1 2 8 40.08 1.46 2.2498 3 9 1 8 40.80 1.78 2.2118 6 0 0 2 42.75 1.50 2.1153 3 10 1 8 43.85 1.96 2.0646 4 0 2 4 44.12 3.27 2.0528 4 9 1 8 44.94 1.02 2.0170 6 2 1 8 54.12 1.04 1.6947 6 0 2 4 54.34 1.26 1.6882 6 9 1 8 58.36 1.52 1.5811 1 17 0 4 58.48 1.48 1.5782 7 8 1 8 59.67 2.08 1.5496 1 8 3 8 60.21 1.15 1.5369 7 1 2 8 61.04 3.55 1.5180 0 9 3 4 61.67 1.61 1.5040 0 18 0 2 66.80 1.13 1.4005 8 9 1 8 71.96 1.24 1.3122 1 0 4 4 72.73 2.10 1.3002 1 18 2 8 73.79 1.19 1.2842 9 9 1 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.