Benitoite
      Hejny C, Miletich R, Jasser A, Schouwink P, Crichton W, Kahlenberg V
      American Mineralogist 97 (2012) 1749-1763
      Second-order P6c2-P31c transition and structural crystallography of
      the cyclosilicate benitoite, BaTiSi3O9, at high pressure
      Note: P = 2.14 GPa
      Locality: San Benito, California, USA
      _database_code_amcsd 0019508

      CELL PARAMETERS:    6.6031   6.6031   9.7100   90.000   90.000  120.000
      SPACE GROUP: P-6c2     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    366.645
      Density (g/cm3):      3.744
      MAX. ABS. INTENSITY / VOLUME**2:      53.64225798    
      RIR:      4.665
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.50         25.55        5.7185    1   0   0         3
                18.27          3.11        4.8550    0   0   2         2
                24.05        100.00        3.7010    1   0   2         6
                27.01         16.12        3.3015    1   1   0         6
                28.56         11.63        3.1258    1   1   1        12
                31.28         27.58        2.8592    2   0   0         3
                32.80         79.98        2.7301    1   1   2        12
                36.47          5.09        2.4637    2   0   2         6
                37.03         10.02        2.4275    0   0   4         2
                40.36          8.82        2.2345    1   0   4         6
                41.79         18.48        2.1614    2   1   0         6
                42.87          6.33        2.1097    2   1   1        12
                45.96         12.81        1.9745    2   1   2        12
                46.43         16.60        1.9557    1   1   4        12
                47.71         11.57        1.9062    3   0   0         3
                49.24         15.98        1.8505    2   0   4         6
                50.80          2.16        1.7974    2   1   3        12
                51.51         13.93        1.7743    3   0   2         6
                55.68          4.64        1.6508    2   2   0         6
                57.05         12.05        1.6142    2   1   4        12
                58.17          1.69        1.5860    3   1   0         6
                59.01          2.98        1.5653    3   1   1        12
                59.11          7.02        1.5629    2   2   2        12
                59.35          6.75        1.5572    1   0   6         6
                61.51         11.63        1.5076    3   1   2        12
                61.89          6.52        1.4992    3   0   4         6
                64.08         11.20        1.4531    1   1   6        12
                65.54          3.12        1.4242    3   1   3        12
                68.41          3.91        1.3714    4   0   2         6
                68.77          7.96        1.3650    2   2   4        12
                70.99          2.23        1.3277    3   1   4        12
                71.98          2.48        1.3119    3   2   0         6
                73.04          2.59        1.2954    2   1   6        12
                74.99          3.16        1.2665    3   2   2        12
                76.31          6.26        1.2479    4   1   0         6
                77.05          1.51        1.2377    4   1   1        12
                77.35          3.17        1.2337    3   0   6         6
                77.48          2.63        1.2319    4   0   4         6
                77.74          1.60        1.2284    3   1   5        12
                78.70          2.02        1.2158    3   2   3        12
                78.86          2.46        1.2138    0   0   8         2
                79.27          6.02        1.2086    4   1   2        12
                83.69          2.80        1.1556    2   2   6        12
                83.82          2.97        1.1541    3   2   4        12
                85.18          1.30        1.1392    1   1   8        12
                85.78          4.35        1.1327    3   1   6        12
                87.26          2.58        1.1173    2   0   8         6
                88.00          4.57        1.1098    4   1   4        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.