Widenmannite
      Plasil J, Palatinus L, Rohlicek J, Houdkovaq L, Klementova M, Golias V, Skacha P
      American Mineralogist 99 (2014) 276-282
      Crystal structure of lead uranyl carbonate mineral widenmannite:
      Precession electron-diffraction and synchrotron powder-diffraction study
      Note: data collected by electron diffraction
      Locality: Brezove Hory deposit, Pribram ore district, Czech Republic
      _database_code_amcsd 0020040

      CELL PARAMETERS:    4.9770   9.3869   8.9597   90.000   90.000   90.000
      SPACE GROUP: Pmmn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    418.585
      Density (g/cm3):      6.028
      MAX. ABS. INTENSITY / VOLUME**2:      72.53364549    
      RIR:      3.918
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.87          1.58        8.9597    0   0   1         2
                13.66          5.79        6.4812    0   1   1         4
                20.19         31.46        4.3972    1   1   0         4
                20.41         14.11        4.3508    1   0   1         4
                21.37         64.93        4.1576    0   2   1         4
                21.98         23.03        4.0430    0   1   2         4
                22.52         33.26        3.9474    1   1   1         8
                26.77         57.54        3.3297    1   0   2         4
                27.52         31.17        3.2406    0   2   2         4
                27.96        100.00        3.1907    1   2   1         8
                28.44          3.14        3.1381    1   1   2         8
                29.92         12.60        2.9866    0   0   3         2
                30.26          7.08        2.9540    0   3   1         4
                31.43          6.45        2.8460    0   1   3         4
                32.98          3.89        2.7157    1   2   2         8
                33.84          1.43        2.6490    1   3   0         4
                35.04         21.82        2.5609    1   0   3         4
                35.33          7.15        2.5403    1   3   1         8
                35.63         10.42        2.5197    0   2   3         4
                36.09         26.90        2.4885    2   0   0         2
                38.36         24.57        2.3467    0   4   0         2
                39.52          4.73        2.2802    1   3   2         8
                40.11          5.36        2.2480    1   2   3         8
                40.26          2.89        2.2399    0   0   4         2
                41.44          8.60        2.1788    0   1   4         4
                41.81          2.05        2.1604    0   3   3         4
                42.33         11.99        2.1352    2   2   1         8
                42.66         15.77        2.1192    2   1   2         8
                45.98         12.98        1.9737    2   2   2         8
                47.39         11.08        1.9182    1   4   2         8
                47.56          3.17        1.9118    2   0   3         4
                47.79          2.34        1.9032    2   3   1         8
                48.60          4.12        1.8734    2   1   3         8
                48.61         15.03        1.8729    1   2   4         8
                49.39          2.23        1.8452    0   4   3         4
                50.08          4.52        1.8213    0   3   4         4
                50.96          2.38        1.7919    0   0   5         2
                51.14          2.37        1.7861    2   3   2         8
                51.62          2.80        1.7706    2   2   3         8
                52.06          3.24        1.7566    1   5   0         4
                52.88          2.90        1.7315    0   5   2         4
                52.92          5.74        1.7301    1   4   3         8
                53.13          2.20        1.7238    1   5   1         8
                53.69          6.60        1.7073    2   4   0         4
                54.42          2.96        1.6860    1   0   5         4
                55.36          2.82        1.6594    1   1   5         8
                56.11          2.42        1.6392    2   1   4         8
                56.31          1.23        1.6337    3   1   0         4
                56.40          1.78        1.6314    2   3   3         8
                57.33          2.22        1.6072    3   1   1         8
                59.41          2.01        1.5557    3   0   2         4
                60.03          1.22        1.5412    0   6   1         4
                60.04          2.51        1.5409    3   2   1         8
                62.68          1.02        1.4822    2   4   3         8
                62.93          1.02        1.4770    0   6   2         4
                63.16          2.43        1.4722    1   6   1         8
                63.27          1.59        1.4697    2   3   4         8
                64.03          1.19        1.4542    2   0   5         4
                64.22          1.63        1.4503    3   0   3         4
                64.41          1.05        1.4465    3   3   1         8
                65.54          1.00        1.4242    0   4   5         4
                65.61          1.66        1.4230    0   2   6         4
                65.70          3.34        1.4213    2   5   2         8
                68.53          1.21        1.3692    1   4   5         8
                70.27          1.02        1.3395    2   5   3         8
                70.54          1.37        1.3351    1   6   3         8
                72.96          1.04        1.2967    3   4   2         8
                73.90          1.38        1.2824    3   2   4         8
                74.74          1.05        1.2701    2   6   2         8
                76.73          1.09        1.2420    1   6   4         8
                77.23          1.99        1.2353    2   2   6         8
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.