Columbite-(Fe) Tarantino S C, Zema M American Mineralogist 90 (2005) 1291-1300 Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study Sample: BRA n18 Qm=0.618 from S. Jose de Safira, Minas Gerais, Brazil Note: Occupancies calculated assuming complete Fe/Mn disorder _database_code_amcsd 0003851 CELL PARAMETERS: 14.2427 5.7290 5.0856 90.000 90.000 90.000 SPACE GROUP: Pbcn X-RAY WAVELENGTH: 1.541838 Cell Volume: 414.967 Density (g/cm3): 5.544 MAX. ABS. INTENSITY / VOLUME**2: 123.8877092 RIR: 7.277 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.43 1.86 7.1213 2 0 0 2 24.22 3.40 3.6745 1 1 1 8 24.35 28.31 3.6555 3 1 0 4 25.01 1.77 3.5607 4 0 0 2 30.11 100.00 2.9683 3 1 1 8 31.22 8.55 2.8645 0 2 0 2 35.30 13.67 2.5428 0 0 2 2 35.98 15.46 2.4958 0 2 1 4 37.90 6.86 2.3738 6 0 0 2 40.23 2.85 2.2415 3 0 2 4 40.85 5.32 2.2092 3 2 1 8 43.35 8.65 2.0874 3 1 2 8 47.83 6.24 1.9016 0 2 2 4 49.89 5.66 1.8278 6 2 0 4 51.59 13.43 1.7717 3 3 0 4 52.76 16.26 1.7352 6 0 2 4 53.26 21.88 1.7200 6 2 1 8 60.17 13.26 1.5379 3 1 3 8 62.59 4.39 1.4841 6 2 2 8 63.69 10.87 1.4611 9 1 1 8 63.80 7.91 1.4589 0 2 3 4 64.06 12.18 1.4537 3 3 2 8 65.13 1.08 1.4323 0 4 0 2 68.00 5.07 1.3786 0 4 1 4 72.22 2.10 1.3081 9 1 2 8 74.65 1.48 1.2714 0 0 4 2 76.67 2.17 1.2429 6 2 3 8 78.50 2.82 1.2185 9 3 0 4 79.88 1.26 1.2008 3 1 4 8 80.58 5.18 1.1922 6 4 1 8 81.01 2.18 1.1869 12 0 0 2 83.12 1.02 1.1621 0 2 4 4 85.67 3.50 1.1339 9 1 3 8 86.92 3.15 1.1208 6 0 4 4 87.60 1.13 1.1138 3 5 0 4 89.11 4.82 1.0989 9 3 2 8 89.60 1.89 1.0940 0 4 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.