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: Pep1
      _database_code_amcsd 0002424

      CELL PARAMETERS:    4.6120   4.6120   9.3740   90.000   90.000  120.000
      SPACE GROUP: P-62m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    172.677
      Density (g/cm3):      3.745
      MAX. ABS. INTENSITY / VOLUME**2:      35.10657860    
      RIR:      3.052
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.43         35.24        9.3740    0   0   1         2
                18.93         19.52        4.6870    0   0   2         2
                22.26          5.04        3.9941    1   0   0         6
                24.22        100.00        3.6745    1   0   1        12
                29.38         88.75        3.0400    1   0   2        12
                36.51         35.59        2.4610    1   0   3        12
                38.41          2.21        2.3435    0   0   4         2
                39.06         32.72        2.3060    1   1   0         3
                40.28          8.83        2.2392    1   1   1         6
                43.75         10.80        2.0691    1   1   2         6
                44.84         27.23        2.0213    1   0   4        12
                45.42         16.38        1.9971    2   0   0         6
                46.49         19.19        1.9532    2   0   1        12
                48.56          3.48        1.8748    0   0   5         2
                49.10         40.63        1.8554    1   1   3         6
                49.62         16.71        1.8372    2   0   2        12
                54.03          3.94        1.6971    1   0   5        12
                55.94          4.61        1.6437    1   1   4         6
                59.13          4.85        1.5623    0   0   6         2
                60.95          7.69        1.5200    2   0   4        12
                61.42          3.60        1.5096    2   1   0         6
                62.30         11.65        1.4904    2   1   1        12
                63.99          3.98        1.4550    1   0   6        12
                64.00         12.73        1.4547    1   1   5         6
                64.89         14.33        1.4369    2   1   2        12
                68.67          1.48        1.3669    2   0   5        12
                69.10          8.74        1.3593    2   1   3        12
                70.77          9.03        1.3314    3   0   0         6
                73.17          2.46        1.2934    1   1   6         6
                74.02          3.64        1.2807    3   0   2        12
                74.77          4.17        1.2697    1   0   7        12
                74.81          8.99        1.2691    2   1   4        12
                77.58          8.23        1.2305    2   0   6        12
                81.94          2.12        1.1758    2   1   5        12
                82.28          1.25        1.1717    0   0   8         2
                83.51          2.57        1.1576    3   0   4        12
                83.92          1.17        1.1530    2   2   0         3
                86.57          1.31        1.1244    1   0   8        12
                87.76          2.99        1.1122    2   0   7        12
                88.98          1.51        1.1001    3   1   1        12
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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.