Menezesite Atencio D, Coutinho J M V, Doriguetto A C, Mascarenhas Y P, Ellena J, Ferrari V C American Mineralogist 93 (2008) 81-87 Menezesite, the first natural heteropolyniobate, from Cajati, Sao Paulo, Brazil: description and crystal structure Locality: Jacupiranga mine, Cajati county, Sao Paulo, Brazil _database_code_amcsd 0004492 CELL PARAMETERS: 13.0170 13.0170 13.0170 90.000 90.000 90.000 SPACE GROUP: Im3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 2205.630 Density (g/cm3): 4.146 MAX. ABS. INTENSITY / VOLUME**2: 75.74536459 RIR: 5.949 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.61 100.00 9.2044 1 1 0 12 13.61 1.38 6.5085 2 0 0 6 16.68 2.27 5.3142 2 1 1 24 19.29 4.32 4.6022 2 2 0 12 21.59 1.51 4.1163 3 0 1 12 21.59 7.06 4.1163 3 1 0 12 23.68 6.03 3.7577 2 2 2 8 25.61 9.48 3.4789 3 2 1 24 25.61 6.25 3.4789 3 1 2 24 27.41 19.82 3.2543 4 0 0 6 29.10 17.24 3.0681 4 1 1 24 30.72 29.18 2.9107 4 0 2 12 30.72 11.69 2.9107 4 2 0 12 32.26 11.32 2.7752 3 3 2 24 33.73 34.31 2.6571 4 2 2 24 35.15 1.09 2.5528 5 1 0 12 35.15 2.54 2.5528 4 3 1 24 35.15 1.39 2.5528 4 1 3 24 37.86 1.78 2.3766 5 2 1 24 40.40 2.93 2.2324 5 3 0 12 40.40 1.47 2.2324 4 3 3 24 42.83 2.49 2.1116 5 3 2 24 42.83 9.13 2.1116 5 2 3 24 47.37 1.53 1.9193 6 1 3 24 49.51 1.03 1.8409 7 1 0 12 50.56 1.16 1.8051 6 0 4 12 50.56 9.81 1.8051 6 4 0 12 51.60 1.22 1.7714 5 5 2 24 51.60 2.88 1.7714 6 3 3 24 52.62 18.58 1.7395 6 2 4 24 52.62 6.36 1.7395 6 4 2 24 55.59 1.59 1.6532 6 1 5 24 56.56 6.96 1.6271 8 0 0 6 57.52 1.18 1.6023 5 5 4 24 57.52 2.22 1.6023 7 1 4 24 61.26 1.94 1.5132 7 4 3 24 61.26 1.11 1.5132 7 0 5 12 63.97 2.42 1.4553 8 0 4 12 63.97 1.61 1.4553 8 4 0 12 65.75 3.89 1.4203 8 2 4 24 67.50 3.00 1.3876 6 6 4 24 68.37 1.17 1.3721 8 5 1 24 71.79 1.62 1.3149 9 4 1 24 79.27 1.78 1.2086 8 6 4 24 80.90 1.99 1.1883 10 4 2 24 84.14 1.90 1.1506 8 8 0 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.