Becquerelite Pagoaga M K, Appleman D E, Stewart J M American Mineralogist 72 (1987) 1230-1238 Crystal structures and crystal chemistry of the uranyl oxide hydrates becquerelite, billietite, and protasite Locality: Shaba, Zaire _database_code_amcsd 0001132 CELL PARAMETERS: 13.8378 12.3781 14.9238 90.000 90.000 90.000 SPACE GROUP: Pn2_1a X-RAY WAVELENGTH: 1.541838 Cell Volume: 2556.233 Density (g/cm3): 5.062 MAX. ABS. INTENSITY / VOLUME**2: 228.9444318 RIR: 14.728 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.86 100.00 7.4619 0 0 2 2 13.48 6.58 6.5679 1 0 2 4 14.31 2.69 6.1891 0 2 0 1 14.67 1.53 6.0395 2 1 0 2 15.83 2.45 5.5984 2 1 1 4 18.63 1.13 4.7637 0 2 2 2 18.90 2.16 4.6945 2 1 2 4 18.96 3.13 4.6813 1 0 3 4 20.15 1.16 4.4069 3 0 1 4 23.85 16.86 3.7310 0 0 4 2 24.71 4.92 3.6023 1 0 4 4 25.13 35.32 3.5438 2 3 0 2 25.49 1.18 3.4938 1 3 2 4 25.75 12.94 3.4595 4 0 0 2 25.84 3.40 3.4479 2 3 1 4 26.35 2.88 3.3823 3 0 3 4 26.45 8.08 3.3701 4 0 1 4 27.87 44.81 3.2011 2 3 2 4 28.44 17.09 3.1386 4 0 2 4 28.84 2.92 3.0953 1 3 3 4 28.85 1.30 3.0945 0 4 0 1 30.20 4.88 2.9597 4 2 1 4 30.64 1.16 2.9177 1 0 5 4 30.98 2.06 2.8863 2 3 3 4 31.29 2.68 2.8585 0 4 2 2 31.50 2.74 2.8402 4 0 3 4 32.67 1.11 2.7406 2 0 5 4 33.01 1.82 2.7136 1 3 4 4 34.75 2.05 2.5814 4 2 3 4 34.92 11.41 2.5694 2 3 4 4 35.38 5.30 2.5368 4 0 4 4 35.83 1.50 2.5059 3 0 5 4 36.11 1.85 2.4873 0 0 6 2 36.71 2.77 2.4481 1 0 6 4 37.76 1.68 2.3822 1 3 5 4 37.92 1.45 2.3730 3 3 4 4 39.05 1.90 2.3064 4 4 0 2 39.11 2.43 2.3030 2 5 1 4 40.23 2.06 2.2416 6 1 1 4 40.96 2.56 2.2036 4 4 2 4 42.85 1.10 2.1107 2 5 3 4 42.96 1.46 2.1054 1 3 6 4 43.37 1.43 2.0865 5 3 3 4 43.89 4.78 2.0630 0 6 0 1 44.47 2.15 2.0374 2 0 7 4 44.50 4.69 2.0359 2 3 6 4 44.88 2.08 2.0195 4 0 6 4 45.03 3.36 2.0131 6 3 0 2 45.46 6.37 1.9951 6 3 1 4 45.62 4.59 1.9884 0 6 2 2 46.28 1.51 1.9618 4 4 4 4 46.74 5.82 1.9437 6 3 2 4 46.89 1.03 1.9376 6 1 4 4 46.95 1.34 1.9353 3 0 7 4 46.99 2.67 1.9339 3 3 6 4 48.04 1.80 1.8941 0 3 7 2 48.51 1.86 1.8766 1 3 7 4 48.80 3.35 1.8661 6 3 3 4 49.26 1.30 1.8500 5 0 6 4 49.29 1.58 1.8488 1 0 8 4 50.09 2.25 1.8211 5 3 5 4 50.56 2.81 1.8054 0 6 4 2 51.58 2.80 1.7719 4 6 0 2 51.59 2.30 1.7717 6 3 4 4 53.13 4.24 1.7239 4 6 2 4 53.32 2.12 1.7182 8 0 1 4 53.48 1.92 1.7132 2 7 0 2 54.38 1.11 1.6871 1 3 8 4 54.74 3.38 1.6768 6 5 1 4 54.99 2.76 1.6698 2 7 2 4 55.02 1.14 1.6690 6 3 5 4 55.29 1.01 1.6614 4 3 7 4 55.50 2.14 1.6556 8 2 1 4 55.68 1.02 1.6507 2 3 8 4 56.31 1.18 1.6338 8 0 3 4 57.12 2.11 1.6125 2 0 9 4 57.59 1.89 1.6005 4 6 4 4 57.69 1.92 1.5980 6 5 3 4 57.81 1.38 1.5950 3 3 8 4 58.42 1.23 1.5797 8 2 3 4 59.10 1.50 1.5631 5 3 7 4 59.36 1.67 1.5569 2 7 4 4 60.14 1.62 1.5386 0 3 9 2 66.51 1.67 1.4058 4 3 9 4 70.77 1.35 1.3314 2 0 11 4 71.01 1.13 1.3274 2 9 2 4 72.30 1.15 1.3069 10 3 1 4 73.48 1.29 1.2888 0 3 11 2 79.33 1.13 1.2077 4 3 11 4 84.06 1.08 1.1515 4 10 2 4 84.21 1.22 1.1498 8 8 1 4 86.92 1.05 1.1208 12 2 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.