Rhodesite Hesse K F, Liebau F, Merlino S Zeitschrift fur Kristallographie 199 (1992) 25-48 Crystal structure of rhodesite, HK1-xNax+2yCa2-y(lB,3,22)(Si8O19)*(6-z)H2O, from three localities and its relation to other silicates with dreier double layers Locality: San Venanzo, Italy _database_code_amcsd 0011015 CELL PARAMETERS: 23.4280 6.5570 7.0640 90.000 90.000 90.000 SPACE GROUP: Pmam X-RAY WAVELENGTH: 1.541838 Cell Volume: 1085.153 Density (g/cm3): 1.511 MAX. ABS. INTENSITY / VOLUME**2: 5.702450128 RIR: 1.229 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.55 11.03 11.7140 2 0 0 2 12.53 11.30 7.0640 0 0 1 2 13.50 20.89 6.5570 0 1 0 2 14.03 60.77 6.3144 1 1 0 4 15.13 100.00 5.8570 4 0 0 2 15.49 1.45 5.7216 2 1 0 4 17.66 43.41 5.0216 3 1 0 4 18.85 2.92 4.7077 1 1 1 8 19.69 3.96 4.5088 4 0 1 4 19.97 8.33 4.4461 2 1 1 8 20.33 5.18 4.3681 4 1 0 4 21.71 3.01 4.0929 3 1 1 8 23.33 7.09 3.8123 5 1 0 4 23.95 3.55 3.7152 4 1 1 8 25.21 5.89 3.5320 0 0 2 2 26.57 8.67 3.3549 6 1 0 4 27.47 9.34 3.2469 1 2 0 4 28.71 3.41 3.1096 0 1 2 4 28.97 44.21 3.0825 1 1 2 8 29.47 10.54 3.0305 6 1 1 8 29.53 17.99 3.0246 4 0 2 4 29.55 8.85 3.0229 3 2 0 4 29.73 5.19 3.0055 2 1 2 8 29.98 12.05 2.9810 7 1 0 4 30.05 9.17 2.9738 0 2 1 4 30.53 2.49 2.9285 8 0 0 2 30.95 33.96 2.8890 3 1 2 8 31.27 6.92 2.8608 4 2 0 4 32.60 2.13 2.7465 4 1 2 8 32.60 4.23 2.7465 7 1 1 8 33.51 9.68 2.6739 8 1 0 4 33.80 6.09 2.6516 4 2 1 8 34.23 5.05 2.6194 6 0 2 4 34.62 1.91 2.5909 5 1 2 8 35.91 6.46 2.5008 8 1 1 8 37.63 2.69 2.3903 1 2 2 8 38.44 2.23 2.3420 7 2 0 4 41.34 2.20 2.1841 8 2 0 4 42.40 5.22 2.1319 8 1 2 8 44.23 4.79 2.0477 4 3 0 4 44.74 1.63 2.0256 11 1 0 4 44.96 1.08 2.0164 6 0 3 4 46.53 1.19 1.9519 7 2 2 8 47.68 1.21 1.9072 5 3 1 8 47.68 1.27 1.9072 6 3 0 4 48.66 1.21 1.8712 10 1 2 8 48.66 1.50 1.8712 12 1 0 4 49.01 5.31 1.8586 0 3 2 4 49.04 3.12 1.8576 3 2 3 8 49.04 3.21 1.8576 8 2 2 8 49.83 2.77 1.8300 7 3 0 4 50.18 1.75 1.8180 4 2 3 8 51.77 6.75 1.7660 0 0 4 2 52.05 1.68 1.7572 11 1 2 8 52.22 1.32 1.7516 8 3 0 4 53.64 1.75 1.7087 12 0 2 4 54.25 1.07 1.6908 4 0 4 4 54.72 4.42 1.6774 10 2 2 8 54.72 1.70 1.6774 12 2 0 4 54.86 2.17 1.6734 14 0 0 2 55.13 1.27 1.6660 3 1 4 8 55.33 3.92 1.6605 7 2 3 8 56.65 1.75 1.6249 7 3 2 8 57.56 1.51 1.6013 8 2 3 8 57.68 3.75 1.5982 1 3 3 8 60.72 2.27 1.5254 11 3 0 4 60.74 2.15 1.5249 3 2 4 8 60.98 1.36 1.5194 7 1 4 8 60.98 2.04 1.5194 15 1 0 4 61.73 1.86 1.5027 4 2 4 8 63.54 1.25 1.4642 16 0 0 2 63.71 1.20 1.4607 3 4 2 8 65.22 1.33 1.4304 8 4 0 4 65.61 1.68 1.4230 11 2 3 8 67.06 2.90 1.3957 15 1 2 8 69.13 5.85 1.3588 7 4 2 8 72.81 1.41 1.2990 11 4 0 4 72.91 1.49 1.2975 0 2 5 4 74.29 1.08 1.2767 7 1 5 8 74.97 1.83 1.2667 4 2 5 8 76.22 1.15 1.2492 8 1 5 8 78.28 1.15 1.2213 18 0 2 4 78.44 2.11 1.2192 11 4 2 8 79.01 1.21 1.2118 19 1 0 4 80.20 1.50 1.1969 8 5 0 4 83.80 1.16 1.1544 11 3 4 8 84.53 1.08 1.1462 19 1 2 8 85.70 1.17 1.1336 8 5 2 8 87.16 1.16 1.1183 15 3 3 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.