Arisite-(Ce)
      Piilonen P C, McDonald A M, Grice J D, Cooper M A, Kolitsch U,
      Rowe R, Gault R A, Poirier G
      Mineralogical Magazine 74 (2010) 257-268
      Arisite-(La), a new REE-fluorcarbonate mineral from the Aris phonolite (Namibia),
      with descriptions of the crystal structures of arisite-(La) and arisite-(Ce)
      Locality: Aris, Namibia
      Note: x-coordinate of O1 adjusted to special position
      _database_code_amcsd 0014600

      CELL PARAMETERS:    5.1109   5.1109   8.6713   90.000   90.000  120.000
      SPACE GROUP: P-6m2     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    196.160
      Density (g/cm3):      4.108
      MAX. ABS. INTENSITY / VOLUME**2:      67.47243182    
      RIR:      5.348
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.06        100.00        4.4262    1   0   0         3
                20.48         41.86        4.3356    0   0   2         2
                22.55          7.77        3.9423    1   0   1         6
                28.83         79.60        3.0973    1   0   2         6
                35.12         40.94        2.5554    1   1   0         6
                37.15         21.53        2.4201    1   0   3         6
                40.77         32.19        2.2131    2   0   0         3
                41.00         26.48        2.2015    1   1   2        12
                41.66         10.72        2.1678    0   0   4         2
                42.14          1.21        2.1443    2   0   1         6
                46.05         45.14        1.9711    2   0   2         6
                46.65         18.03        1.9469    1   0   4         6
                47.49         10.93        1.9145    1   1   3        12
                52.05          3.10        1.7572    2   0   3         6
                54.88         14.46        1.6729    2   1   0         6
                55.59         13.45        1.6531    1   1   4        12
                55.98          1.57        1.6426    2   1   1        12
                57.04          9.76        1.6147    1   0   5         6
                59.20         16.71        1.5608    2   1   2        12
                59.71          8.37        1.5486    2   0   4         6
                63.00          5.97        1.4754    3   0   0         3
                64.34          5.10        1.4479    2   1   3        12
                64.99          2.91        1.4350    1   1   5        12
                67.00          5.46        1.3967    3   0   2         6
                68.27          3.27        1.3738    1   0   6         6
                68.77          1.33        1.3651    2   0   5         6
                71.19          9.45        1.3244    2   1   4        12
                71.84          2.76        1.3141    3   0   3         6
                74.22          6.72        1.2777    2   2   0         6
                75.59          1.35        1.2580    1   1   6        12
                77.80          4.47        1.2276    3   1   0         6
                77.95          4.35        1.2256    2   2   2        12
                78.40          4.08        1.2197    3   0   4         6
                79.15          1.68        1.2101    2   0   6         6
                79.62          6.59        1.2040    2   1   5        12
                80.52          4.37        1.1929    1   0   7         6
                81.49          7.59        1.1812    3   1   2        12
                86.04          2.04        1.1299    3   1   3        12
                86.63          1.37        1.1238    3   0   5         6
                87.51          3.88        1.1147    1   1   7        12
                88.32          2.17        1.1065    4   0   0         3
                88.91          4.21        1.1008    2   2   4        12
                89.64          2.68        1.0936    2   1   6        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.