Clinotobermorite Hoffmann C, Armbruster T Zeitschrift fur Kristallographie 212 (1997) 863-873 Clinotobermorite, Ca5(Si3O8(OH))2*4(H2O) - Ca5(Si6O17)*5(H2O), a natural C-S-H(I) type cement mineral: determination of the substructure Locality: Wessels mine, Kalahari manganese field, South Africa _cod_database_code 1000046 _database_code_amcsd 0011075 CELL PARAMETERS: 5.5930 3.6450 22.4560 90.000 96.970 90.000 SPACE GROUP: I2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 454.415 Density (g/cm3): 2.400 MAX. ABS. INTENSITY / VOLUME**2: 14.32888861 RIR: 1.944 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.93 100.00 11.1450 0 0 2 2 15.98 1.41 5.5473 -1 0 1 2 23.95 9.45 3.7150 0 0 6 2 24.04 2.11 3.7023 -1 0 5 2 24.75 10.41 3.5972 0 1 1 4 27.13 10.12 3.2868 1 0 5 2 27.25 5.85 3.2724 0 1 3 4 29.31 18.00 3.0470 1 1 0 4 29.88 46.02 2.9902 -1 1 2 4 30.62 5.27 2.9193 -1 0 7 2 30.94 11.80 2.8905 1 1 2 4 31.71 2.61 2.8218 0 1 5 4 32.13 8.48 2.7863 0 0 8 2 32.25 9.57 2.7758 2 0 0 2 32.28 1.77 2.7736 -2 0 2 2 34.12 14.92 2.6280 1 0 7 2 34.22 1.03 2.6200 2 0 2 2 34.30 1.08 2.6145 -2 0 4 2 36.89 1.24 2.4368 -1 1 6 4 37.50 8.46 2.3981 0 1 7 4 37.94 12.18 2.3714 -1 0 9 2 38.04 3.75 2.3656 -2 0 6 2 40.47 4.12 2.2290 0 0 10 2 41.48 3.51 2.1771 2 1 1 4 43.88 6.48 2.0631 2 1 3 4 43.96 6.45 2.0595 -2 1 5 4 44.21 3.90 2.0485 0 1 9 4 45.56 5.08 1.9912 1 1 8 4 47.69 4.00 1.9070 2 1 5 4 47.80 5.35 1.9027 -2 1 7 4 49.00 2.75 1.8590 -1 1 10 4 50.05 13.80 1.8225 0 2 0 2 50.76 1.20 1.7986 0 2 2 4 52.67 8.81 1.7378 2 1 7 4 52.81 6.71 1.7335 -2 1 9 4 54.03 1.90 1.6974 -1 0 13 2 55.40 7.73 1.6585 -3 1 2 4 56.07 3.25 1.6401 3 0 5 2 57.85 1.72 1.5939 1 2 5 4 58.21 1.82 1.5849 1 0 13 2 58.53 3.38 1.5770 -3 0 9 2 60.72 1.83 1.5252 0 2 8 4 60.80 1.41 1.5235 2 2 0 4 61.96 2.10 1.4976 1 2 7 4 64.48 2.40 1.4450 -1 2 9 4 65.45 2.49 1.4261 2 1 11 4 66.24 1.32 1.4109 0 2 10 4 66.92 1.68 1.3982 -4 0 2 2 67.54 2.22 1.3868 -4 0 4 2 71.85 1.05 1.3140 2 0 14 2 72.73 1.68 1.3001 -1 1 16 4 73.06 1.08 1.2951 2 1 13 4 73.27 3.14 1.2920 -2 1 15 4 78.45 1.37 1.2191 3 2 5 4 80.55 1.47 1.1925 -3 2 9 4 81.49 1.39 1.1812 2 1 15 4 88.62 1.31 1.1036 -4 2 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.