Palygorskite Guistetto R, Chiari G European Journal of Mineralogy 16 (2004) 521-532 Crystal structure refinement of palygorskite from neutron powder diffraction Locality: Lorenzo Pech mine, near Ticul, on the way to Chapab, Chiapas, Mexico Note: Occupancies created to match reported formula _database_code_amcsd 0007075 CELL PARAMETERS: 12.6720 17.8750 5.2360 90.000 90.000 90.000 SPACE GROUP: Pbmn X-RAY WAVELENGTH: 1.541838 Cell Volume: 1186.017 Density (g/cm3): 2.399 MAX. ABS. INTENSITY / VOLUME**2: 9.669932663 RIR: 1.312 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.55 100.00 10.3378 1 1 0 4 13.98 40.04 6.3360 2 0 0 2 16.44 17.95 5.3920 1 3 0 4 16.93 1.56 5.2360 0 0 1 2 17.15 3.98 5.1689 2 2 0 4 19.00 3.31 4.6710 1 1 1 8 19.87 15.07 4.4688 0 4 0 2 20.87 25.75 4.2554 1 2 1 8 22.02 2.32 4.0362 2 0 1 4 24.20 10.73 3.6785 2 2 1 8 24.37 16.55 3.6518 2 4 0 4 25.86 6.85 3.4459 3 3 0 4 25.90 2.82 3.4407 1 5 0 4 26.22 4.07 3.3991 0 4 1 4 26.68 7.31 3.3416 2 3 1 8 27.59 8.35 3.2333 3 1 1 8 28.17 9.05 3.1680 4 0 0 2 28.94 27.54 3.0855 3 2 1 8 31.10 3.93 2.8754 1 5 1 8 32.82 2.34 2.7288 3 5 0 4 33.48 13.11 2.6762 2 5 1 8 34.25 8.24 2.6180 0 0 2 2 34.58 2.74 2.5938 4 2 1 8 34.64 8.06 2.5894 0 6 1 4 34.71 1.55 2.5844 4 4 0 4 35.00 5.04 2.5639 1 0 2 4 35.37 1.77 2.5379 1 1 2 8 35.38 21.83 2.5369 1 6 1 8 36.42 4.30 2.4672 4 3 1 8 37.15 1.04 2.4199 3 5 1 8 37.16 2.02 2.4196 2 0 2 4 37.52 3.10 2.3969 2 6 1 8 38.61 1.71 2.3322 5 3 0 4 40.23 3.07 2.2418 2 3 2 8 40.37 2.48 2.2344 0 8 0 2 40.54 2.44 2.2253 3 0 2 4 40.57 1.76 2.2238 1 4 2 8 40.82 1.79 2.2104 5 2 1 8 40.88 2.02 2.2076 3 6 1 8 41.82 2.06 2.1599 4 5 1 8 41.83 2.55 2.1593 3 2 2 8 42.43 2.44 2.1304 5 3 1 8 42.49 1.01 2.1277 2 4 2 8 42.82 6.57 2.1120 6 0 0 2 43.41 4.46 2.0846 3 3 2 8 44.06 1.18 2.0554 6 2 0 4 46.27 1.02 1.9622 1 9 0 4 46.65 2.27 1.9470 6 1 1 8 46.74 1.38 1.9433 1 6 2 8 49.01 1.52 1.8586 4 7 1 8 50.38 1.31 1.8112 5 6 1 8 50.69 1.10 1.8011 7 1 0 4 53.56 1.28 1.7109 7 0 1 4 54.02 1.46 1.6975 1 2 3 8 54.74 1.46 1.6768 1 10 1 8 55.33 1.18 1.6605 1 3 3 8 55.94 1.41 1.6438 6 0 2 4 57.15 1.27 1.6118 1 11 0 4 59.94 1.35 1.5433 7 5 1 8 60.29 1.37 1.5352 2 9 2 8 61.58 1.82 1.5059 0 6 3 4 62.06 1.10 1.4954 1 6 3 8 62.33 1.02 1.4896 0 12 0 2 67.05 1.29 1.3958 8 5 1 8 72.61 1.14 1.3021 1 0 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.