Peprossiite-(Ce)
      Callegari A, Caucia F, Mazzi F, Oberti R, Ottolini L, Ungaretti L
      American Mineralogist 85 (2000) 586-593
      The crystal structure of peprossiite-(Ce), and anhydrous REE and Al mica-like
      borate with square-pyramidal coordination for Al
      Sample: Pep2
      _database_code_amcsd 0002425

      CELL PARAMETERS:    4.5960   4.5960   9.3090   90.000   90.000  120.000
      SPACE GROUP: P-62m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    170.292
      Density (g/cm3):      4.161
      MAX. ABS. INTENSITY / VOLUME**2:      57.39678575    
      RIR:      4.491
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.50         52.78        9.3090    0   0   1         2
                19.07         22.76        4.6545    0   0   2         2
                22.34         12.48        3.9803    1   0   0         6
                24.32        100.00        3.6598    1   0   1        12
                29.53         80.73        3.0250    1   0   2        12
                36.72         34.54        2.4472    1   0   3        12
                38.69          2.44        2.3273    0   0   4         2
                39.20         26.76        2.2980    1   1   0         3
                40.43         11.62        2.2310    1   1   1         6
                43.94         12.95        2.0605    1   1   2         6
                45.13         25.87        2.0090    1   0   4        12
                45.58         14.70        1.9901    2   0   0         6
                46.67         18.95        1.9461    2   0   1        12
                48.92          2.99        1.8618    0   0   5         2
                49.35         34.02        1.8467    1   1   3         6
                49.83         16.62        1.8299    2   0   2        12
                54.40          5.55        1.6864    1   0   5        12
                54.80          1.06        1.6752    2   0   3        12
                56.26          5.66        1.6352    1   1   4         6
                59.59          4.00        1.5515    0   0   6         2
                61.29          7.84        1.5125    2   0   4        12
                61.65          4.21        1.5044    2   1   0         6
                62.54         12.66        1.4851    2   1   1        12
                64.41         11.25        1.4466    1   1   5         6
                64.46          4.55        1.4456    1   0   6        12
                65.17         14.13        1.4315    2   1   2        12
                69.09          2.15        1.3596    2   0   5        12
                69.43          8.89        1.3537    2   1   3        12
                71.05          7.43        1.3268    3   0   0         6
                71.88          1.44        1.3135    3   0   1        12
                73.67          2.56        1.2859    1   1   6         6
                74.34          3.97        1.2759    3   0   2        12
                75.21          9.26        1.2634    2   1   4        12
                75.35          4.25        1.2613    1   0   7        12
                78.11          7.05        1.2236    2   0   6        12
                78.39          1.48        1.2199    3   0   3        12
                82.42          3.20        1.1701    2   1   5        12
                82.98          1.14        1.1636    0   0   8         2
                83.96          2.68        1.1526    3   0   4        12
                87.30          1.69        1.1169    1   0   8        12
                88.41          3.17        1.1057    2   0   7        12
                89.37          1.66        1.0962    3   1   1        12
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.