Hilgardite
      Rumanova I M, Iorysh Z I, Belov N V
      Soviet Physics Doklady 22 (1977) 460-462
      Crystal structure of triclinic chilgardite Ca2[B5O9]Cl*H2O =
      Ca2[B3+-B2deltaO9]Cl*H2O
      Note: polytype hilgardite-1A
      Locality: not given
      _database_code_amcsd 0015604

      CELL PARAMETERS:    6.4630   6.5640   6.3020   61.630  118.770  105.780
      SPACE GROUP: P1        
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    205.878
      Density (g/cm3):      2.692
      MAX. ABS. INTENSITY / VOLUME**2:      5.288466101    
      RIR:      0.640
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.37         37.42        5.7666    0   1   0         1
                15.67         31.69        5.6563    1   0   0         1
                17.59         16.28        5.0430    0   0   1         1
                17.74          3.04        5.0008   -1   1   1         1
                18.03          1.51        4.9193    0   1   1         1
                21.38         18.91        4.1562   -1   1   0         1
                22.63          1.14        3.9294    1   1   0         1
                27.85         14.80        3.2032    0  -1   1         1
                28.03         34.51        3.1831   -1   2   1         1
                28.18          9.98        3.1665    1   0   1         1
                28.32         28.65        3.1509   -1   1   2         1
                28.39         12.32        3.1440   -2   1   1         1
                28.65         11.64        3.1158   -1  -1   1         1
                28.72          1.77        3.1088    0   2   1         1
                28.96          7.92        3.0835    1   1   1         1
                29.08         20.71        3.0709   -2   0   1         1
                31.02        100.00        2.8833    0   2   0         1
                31.64         94.54        2.8281    2   0   0         1
                32.31         13.47        2.7711   -1   0   2         1
                32.43         28.97        2.7606    0   1   2         1
                32.45          6.69        2.7591   -1   2   2         1
                32.63         28.73        2.7446   -2   1   2         1
                34.10         11.83        2.6291   -1   2   0         1
                34.53         10.02        2.5974   -2   1   0         1
                35.51          2.74        2.5283   -2   2   1         1
                35.60          6.06        2.5215    0   0   2         1
                35.74          6.46        2.5124    1   2   0         1
                35.92          1.97        2.5004   -2   2   2         1
                36.15         10.26        2.4847    2   1   0         1
                36.53          5.33        2.4596    0   2   2         1
                37.15          2.03        2.4200    1   2   1         1
                37.19          4.84        2.4179   -2  -1   1         1
                41.96          5.53        2.1529    0  -2   1         1
                42.15         16.16        2.1440   -1   3   1         1
                42.38         20.44        2.1326   -1  -1   2         1
                42.61          4.03        2.1217   -1   3   2         1
                42.66         29.21        2.1193    2   0   1         1
                42.82          7.14        2.1119    1   1   2         1
                42.87          2.25        2.1095   -1  -2   1         1
                42.88          1.54        2.1089   -3   1   1         1
                42.97          5.60        2.1046    0   3   1         1
                43.13         10.22        2.0976   -3   1   2         1
                43.55          4.36        2.0782    2   1   1         1
                43.55          4.37        2.0781   -2   2   0         1
                44.39          4.71        2.0408   -1   1   3         1
                44.58          5.57        2.0324   -2   2   3         1
                44.64         30.82        2.0300   -1   2   3         1
                44.67          5.95        2.0287   -2   1   3         1
                44.72          6.13        2.0265    0  -1   2         1
                45.08          6.31        2.0109   -2   3   2         1
                45.44         17.09        1.9958   -3   2   2         1
                46.18         17.72        1.9658   -2  -1   2         1
                46.21          6.01        1.9647    2   2   0         1
                46.25          9.30        1.9630    0   3   2         1
                46.46          1.43        1.9547    1   2   2         1
                46.64         13.88        1.9475   -3   0   2         1
                47.16          1.93        1.9271    1  -2   1         1
                47.29          4.74        1.9222    0   3   0         1
                47.40         10.98        1.9179   -2   3   1         1
                47.59          3.07        1.9107    2  -1   1         1
                47.85          7.89        1.9011   -3   2   1         1
                48.27          3.02        1.8854    3   0   0         1
                49.20          4.93        1.8519   -1   3   0         1
                49.62          4.09        1.8374   -2  -2   1         1
                49.64         15.21        1.8365    1   3   1         1
                49.75          4.17        1.8328   -1   0   3         1
                49.93          5.33        1.8265    0   1   3         1
                50.00         10.76        1.8240    2   2   1         1
                50.08          5.12        1.8216   -2   3   3         1
                50.10          5.01        1.8208   -3  -1   1         1
                50.31          6.04        1.8136   -3   2   3         1
                50.43          4.43        1.8096   -1   3   3         1
                50.46          3.38        1.8085    0   2   3         1
                51.03          1.29        1.7896    1   3   0         1
                51.86          1.02        1.7631    3   1   0         1
                52.54         13.16        1.7418    1  -1   2         1
                53.00          3.04        1.7279   -3   3   2         1
                55.05          3.27        1.6681    1   3   2         1
                55.09          1.47        1.6669   -3   3   3         1
                55.12          7.42        1.6662   -3  -1   2         1
                55.90          1.37        1.6447   -1  -2   2         1
                56.09          1.84        1.6398    0   3   3         1
                56.73          2.31        1.6228    2   1   2         1
                57.10          2.80        1.6130   -4   1   2         1
                57.18          6.46        1.6110    2  -2   1         1
                57.45          5.04        1.6040   -3   3   1         1
                57.55          1.63        1.6016    0  -2   2         1
                57.90          2.12        1.5928    0  -3   1         1
                58.09          3.39        1.5880   -1   4   1         1
                58.89          1.40        1.5683   -1  -3   1         1
                59.01          1.06        1.5654    3   0   1         1
                59.59          3.75        1.5516   -1  -1   3         1
                60.00          1.51        1.5418    2   2   2         1
                60.10          1.52        1.5395    1   1   3         1
                60.12          1.01        1.5390    3   2   0         1
                60.17          3.25        1.5379   -4   0   1         1
                60.35          1.18        1.5337   -2  -1   3         1
                60.60          3.06        1.5281   -1   4   3         1
                60.62          1.80        1.5276   -4   2   3         1
                60.71          1.45        1.5255    2   3   1         1
                60.88          1.20        1.5217   -2   1   4         1
                60.94          4.77        1.5204   -1   2   4         1
                61.18          1.45        1.5150   -3   2   4         1
                61.22          2.62        1.5140   -4   1   3         1
                62.08          1.15        1.4950   -2   4   1         1
                63.31          2.01        1.4689   -3   3   4         1
                63.60          1.02        1.4629   -1   3   4         1
                63.66          1.40        1.4617   -3   1   4         1
                63.67          2.93        1.4615    0  -1   3         1
                64.49          1.21        1.4449   -3   4   2         1
                64.63          2.27        1.4420   -4   3   3         1
                64.65          2.57        1.4416    0   4   0         1
                64.68          1.05        1.4411   -2  -3   1         1
                64.95          1.03        1.4357   -4   3   2         1
                65.67          1.13        1.4218   -4  -1   1         1
                65.97          2.10        1.4161   -1   4   0         1
                66.07          2.19        1.4141    4   0   0         1
                67.28          2.56        1.3916   -4   1   0         1
                67.32          2.07        1.3910   -3  -2   2         1
                67.62          1.08        1.3855   -2   0   4         1
                67.68          1.96        1.3844    2   3   2         1
                67.85          1.42        1.3813   -4  -1   2         1
                69.29          1.36        1.3561   -1   0   4         1
                69.30          1.72        1.3559    4   1   0         1
                70.24          1.01        1.3400    2  -3   1         1
                70.51          1.10        1.3356   -3   0   4         1
                70.52          1.75        1.3354   -3   4   1         1
                70.61          1.55        1.3339   -1   4   4         1
                71.04          1.26        1.3269   -4   3   1         1
                72.15          1.47        1.3092    1  -1   3         1
                72.83          1.09        1.2987   -4   2   0         1
                73.50          1.11        1.2884   -2   5   2         1
                74.13          3.11        1.2791   -1   5   3         1
                74.71          1.64        1.2706    2   2   3         1
                75.14          1.24        1.2644    3   3   1         1
                75.22          1.77        1.2632   -4  -2   1         1
                75.65          3.60        1.2571    0  -4   1         1
                75.71          1.16        1.2562    2   4   0         1
                77.12          1.10        1.2367    2   0   3         1
                77.28          1.29        1.2346    4   0   1         1
                77.54          1.07        1.2311   -5   1   1         1
                78.26          1.02        1.2216   -2  -1   4         1
                78.60          1.33        1.2172   -5   0   1         1
                78.64          1.01        1.2166    1  -3   2         1
                78.73          1.03        1.2154   -2   5   4         1
                78.92          4.03        1.2130    1   2   4         1
                79.60          1.05        1.2044    3  -1   2         1
                81.50          1.06        1.1810   -1   5   4         1
                82.19          2.07        1.1728   -2  -4   1         1
                82.26          1.44        1.1720   -5   1   4         1
                82.29          1.38        1.1717    1   5   1         1
                82.36          1.14        1.1708   -4   3   0         1
                83.54          1.24        1.1573    3   3   2         1
                83.79          1.47        1.1545   -5  -1   1         1
                86.41          2.81        1.1261    2  -4   1         1
                88.48          1.09        1.1050   -4  -3   1         1
                88.74          2.22        1.1024    1   4   4         1
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.