Dingdaohengite-(Ce)
      Li G, Yang G, Ma Z, Shi N, Xiong M, Sheng G, Fan H
      Kuangwu Xuebao 25 (2005) 313-320
      The crystal structure of a new mineral dingdaohengite-(Ce)
      Locality: Bayun Obo, Inner Mongolia, China
      _database_code_amcsd 0014198

      CELL PARAMETERS:   13.4656   5.7356  11.0977   90.000  100.636   90.000
      SPACE GROUP: P2_1/a    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    842.386
      Density (g/cm3):      4.769
      MAX. ABS. INTENSITY / VOLUME**2:      17.86056843    
      RIR:      1.219
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 8.11         12.75       10.9070    0   0   1         2
                13.38         12.91        6.6171    2   0   0         2
                16.25         43.74        5.4535    0   0   2         2
                16.85          1.39        5.2626    1   1   0         4
                18.17         57.86        4.8821   -1   1   1         4
                19.26         51.09        4.6092    1   1   1         4
                22.60          4.58        3.9339   -1   1   2         4
                22.97          3.94        3.8723    2   0   2         2
                24.35          1.17        3.6552    1   1   2         4
                24.48         26.14        3.6357    0   0   3         2
                25.47         21.39        3.4968    3   1   0         4
                25.59         41.90        3.4812   -3   1   1         4
                27.91        100.00        3.1966    3   1   1         4
                28.23         85.96        3.1613   -3   1   2         4
                28.80         24.07        3.0995   -1   1   3         4
                28.86         36.96        3.0932   -4   0   2         2
                29.63         42.93        3.0153    4   0   1         2
                30.15          2.33        2.9639    2   0   3         2
                30.90         25.09        2.8936    1   1   3         4
                31.19         76.80        2.8678    0   2   0         2
                32.28          6.49        2.7735    0   2   1         4
                32.37         69.15        2.7655    3   1   2         4
                32.84         86.70        2.7275   -3   1   3         4
                32.85         66.68        2.7268    0   0   4         2
                33.07         17.43        2.7085   -4   0   3         2
                34.07          8.98        2.6313    2   2   0         4
                34.19         10.59        2.6222    4   0   2         2
                34.47          6.23        2.6018   -2   2   1         4
                35.36         28.57        2.5382    0   2   2         4
                35.68          9.59        2.5162    2   2   1         4
                35.97          2.94        2.4971   -1   1   4         4
                36.82          2.69        2.4410   -2   2   2         4
                36.93          1.86        2.4343   -5   1   1         4
                37.42          5.85        2.4033    5   1   0         4
                37.94          1.60        2.3716    2   0   4         2
                38.23         10.65        2.3541    3   1   3         4
                38.27          2.48        2.3516    1   1   4         4
                38.72          9.06        2.3254   -4   0   4         2
                38.79          3.49        2.3212   -3   1   4         4
                40.04         14.86        2.2516    0   2   3         4
                40.09         14.37        2.2491    4   0   3         2
                40.19          7.99        2.2439   -6   0   1         2
                41.22          7.58        2.1901   -6   0   2         2
                41.49         36.09        2.1764   -4   2   1         4
                41.68         19.11        2.1670    4   2   0         4
                43.01         14.83        2.1030   -4   2   2         4
                43.33         12.23        2.0884    6   0   1         2
                43.55         13.69        2.0780    4   2   1         4
                43.63          1.17        2.0746    5   1   2         4
                43.74          3.72        2.0696   -1   1   5         4
                43.91          8.16        2.0621   -6   0   3         2
                43.93          2.94        2.0610    2   2   3         4
                45.05         18.52        2.0122    3   1   4         4
                45.69         24.41        1.9859   -3   1   5         4
                45.92         56.16        1.9761    0   2   4         4
                45.96          2.30        1.9746   -5   1   4         4
                46.10          5.62        1.9691   -4   2   3         4
                46.15         14.09        1.9670   -2   2   4         4
                46.16          2.21        1.9666    2   0   5         2
                46.20         11.04        1.9648    1   1   5         4
                46.95          4.96        1.9352    4   2   2         4
                48.62          4.53        1.8727   -1   3   1         4
                49.08          5.91        1.8561    1   3   1         4
                49.49          1.07        1.8419   -2   0   6         2
                49.90         13.24        1.8276    2   2   4         4
                50.19          1.86        1.8178    0   0   6         2
                50.53          4.06        1.8062   -4   2   4         4
                50.66         16.85        1.8019   -7   1   2         4
                50.85         16.34        1.7956    7   1   0         4
                51.65          4.72        1.7697    4   2   3         4
                51.73          5.53        1.7672   -6   2   1         4
                52.14          2.15        1.7542    3   3   0         4
                52.20          5.27        1.7522   -3   3   1         4
                52.33          6.46        1.7484    6   2   0         4
                52.33          5.73        1.7481    6   0   3         2
                52.49          2.85        1.7434   -2   2   5         4
                52.58         14.19        1.7406   -6   2   2         4
                52.60          2.62        1.7400    3   1   5         4
                52.72          3.98        1.7362    0   2   5         4
                52.75          1.46        1.7352   -7   1   3         4
                52.79         13.30        1.7340   -4   0   6         2
                53.29          2.45        1.7191   -3   1   6         4
                53.34          7.55        1.7176   -6   0   5         2
                53.51         12.12        1.7124    3   3   1         4
                53.70          8.97        1.7069   -3   3   2         4
                54.04          3.23        1.6969   -1   3   3         4
                54.34         13.90        1.6882    6   2   1         4
                54.49          8.71        1.6840    4   0   5         2
                54.55         11.59        1.6823   -8   0   1         2
                54.61          3.12        1.6806    1   1   6         4
                54.83          9.24        1.6742   -6   2   3         4
                54.95          4.79        1.6710   -8   0   2         2
                55.00          8.06        1.6695    5   1   4         4
                55.32          3.79        1.6606    1   3   3         4
                56.09          1.63        1.6397   -4   2   5         4
                56.18         10.39        1.6372   -7   1   4         4
                56.25         13.25        1.6353    3   3   2         4
                56.55         13.52        1.6274   -3   3   3         4
                56.71          7.31        1.6231    7   1   2         4
                56.72          1.76        1.6229   -8   0   3         2
                57.43          1.40        1.6047    4   2   4         4
                57.68          3.19        1.5983    6   2   2         4
                57.90          1.00        1.5926    8   0   1         2
                58.38          1.27        1.5806   -6   2   4         4
                59.31          6.86        1.5581    0   0   7         2
                59.64          2.21        1.5503   -6   0   6         2
                59.66          1.02        1.5498    5   3   0         4
                60.23          1.42        1.5364    3   3   3         4
                60.28          5.90        1.5354    0   2   6         4
                60.74          3.48        1.5248   -1   1   7         4
                60.77          7.21        1.5242    3   1   6         4
                60.80          1.21        1.5236   -7   1   5         4
                61.51          2.43        1.5076    8   0   2         2
                61.51         12.90        1.5076   -3   1   7         4
                62.60          4.51        1.4838   -4   2   6         4
                62.69          1.62        1.4819    4   0   6         2
                63.50          1.41        1.4651    1   1   7         4
                64.06          2.79        1.4536   -8   0   5         2
                64.13          3.83        1.4521    4   2   5         4
                64.19          1.54        1.4510   -8   2   1         4
                64.40          3.84        1.4468    2   2   6         4
                65.05         18.87        1.4339    0   4   0         2
                65.33          5.22        1.4284    3   3   4         4
                65.50          1.55        1.4251    6   0   5         2
                65.53          1.07        1.4244    9   1   0         4
                65.82          7.00        1.4188   -3   3   5         4
                66.03          1.32        1.4150   -9   1   3         4
                66.16          2.74        1.4124   -8   2   3         4
                66.23          2.24        1.4111    1   3   5         4
                66.25          2.06        1.4108    8   0   3         2
                66.47          3.11        1.4067   -7   1   6         4
                66.81          1.20        1.4002   -6   0   7         2
                67.24          3.53        1.3923    8   2   1         4
                67.27          5.88        1.3918    7   1   4         4
                67.55          1.50        1.3868    0   4   2         4
                67.77          3.17        1.3828    6   2   4         4
                68.54          2.32        1.3691    0   2   7         4
                68.67          3.33        1.3668   -9   1   4         4
                68.85          7.87        1.3638   -6   2   6         4
                68.87          5.65        1.3634    0   0   8         2
                69.83          5.57        1.3470   -7   3   2         4
                69.98          4.79        1.3443    7   3   0         4
                70.00          1.36        1.3440   -1   1   8         4
                70.02          1.37        1.3438  -10   0   1         2
                70.58          4.94        1.3345    8   2   2         4
                70.61          1.50        1.3339    0   4   3         4
                71.18          1.40        1.3247  -10   0   3         2
                72.68          3.75        1.3009   -4   4   2         4
                72.94          1.24        1.2969    1   1   8         4
                72.97          3.83        1.2966   -8   2   5         4
                73.07          4.41        1.2949    4   4   1         4
                73.47          3.15        1.2889    5   3   4         4
                73.68          1.23        1.2857   10   0   1         2
                74.33          7.87        1.2762    6   2   5         4
                74.48          4.02        1.2739   -7   3   4         4
                74.81          9.16        1.2691    0   4   4         4
                74.94          2.08        1.2673   -4   4   3         4
                74.94          3.07        1.2672    7   3   2         4
                75.03          1.54        1.2659    8   2   3         4
                75.57          5.72        1.2583   -6   2   7         4
                75.58          1.60        1.2581    4   4   2         4
                77.53          4.22        1.2313    0   2   8         4
                78.48          1.10        1.2187   -1   3   7         4
                78.50          3.05        1.2184    3   3   6         4
                78.63          4.73        1.2168  -10   2   1         4
                79.03          3.72        1.2117    3   1   8         4
                79.17          5.62        1.2099   -3   3   7         4
                79.23          1.68        1.2091    4   4   3         4
                79.29          2.00        1.2083   -6   4   1         4
                79.89          4.72        1.2007   -3   1   9         4
                79.97          1.24        1.1997   -6   4   2         4
                80.08          3.63        1.1983    4   2   7         4
                80.24          1.88        1.1964  -11   1   2         4
                80.44          3.38        1.1939  -11   1   1         4
                80.67          3.90        1.1910   -7   1   8         4
                81.19          1.72        1.1847  -11   1   3         4
                81.41          2.22        1.1821    6   4   1         4
                81.72          2.27        1.1784    7   1   6         4
                81.82          1.65        1.1773   -6   4   3         4
                83.31          1.35        1.1600  -11   1   4         4
                83.67          1.21        1.1558   -7   3   6         4
                84.30          1.65        1.1488   11   1   1         4
                84.42          2.64        1.1475    7   3   4         4
                85.47          3.76        1.1360  -10   2   5         4
                85.64          3.58        1.1342   10   2   2         4
                85.72          1.59        1.1334   -9   3   4         4
                86.55          1.48        1.1246  -11   1   5         4
                86.56          2.77        1.1245    8   0   6         2
                87.15          1.48        1.1184    8   2   5         4
                87.35          1.21        1.1163    0   2   9         4
                87.45          1.58        1.1154  -10   0   7         2
                88.10          1.23        1.1088    5   1   8         4
                88.11          1.58        1.1087    6   4   3         4
                88.48          4.01        1.1050   -4   4   6         4
                88.91          2.33        1.1007   -6   4   5         4
                89.05          2.02        1.0994    3   5   1         4
                89.20          2.12        1.0979   -3   5   2         4
                89.21          2.25        1.0979   -4   0  10         2
                89.23          1.70        1.0977   -7   1   9         4
                89.84          2.99        1.0917    4   4   5         4
                89.89          1.73        1.0913   -8  -4   1         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.