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 = 4.01 GPa
      Locality: San Benito, California, USA
      _database_code_amcsd 0019510

      CELL PARAMETERS:    6.5605   6.5605   9.6574   90.000   90.000  120.000
      SPACE GROUP: P-6c2     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    359.969
      Density (g/cm3):      3.814
      MAX. ABS. INTENSITY / VOLUME**2:      54.80063257    
      RIR:      4.679
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.60         26.59        5.6816    1   0   0         3
                18.37          3.06        4.8287    0   0   2         2
                24.19        100.00        3.6794    1   0   2         6
                27.19         16.45        3.2803    1   1   0         6
                28.74         11.98        3.1060    1   1   1        12
                31.49         26.16        2.8408    2   0   0         3
                33.01         80.70        2.7134    1   1   2        12
                36.70          5.28        2.4485    2   0   2         6
                37.24         10.04        2.4144    0   0   4         2
                40.60          9.00        2.2220    1   0   4         6
                42.08         19.18        2.1474    2   1   0         6
                43.16          6.37        2.0962    2   1   1        12
                46.27         12.71        1.9621    2   1   2        12
                46.72         16.59        1.9444    1   1   4        12
                48.04         11.32        1.8939    3   0   0         3
                49.55         16.52        1.8397    2   0   4         6
                51.13          2.42        1.7864    2   1   3        12
                51.86         14.02        1.7631    3   0   2         6
                56.07          4.80        1.6401    2   2   0         6
                57.43         11.97        1.6046    2   1   4        12
                58.58          1.68        1.5758    3   1   0         6
                59.43          2.85        1.5552    3   1   1        12
                59.53          7.03        1.5530    2   2   2        12
                59.71          6.80        1.5486    1   0   6         6
                61.94         11.82        1.4980    3   1   2        12
                62.31          6.80        1.4901    3   0   4         6
                64.49         11.38        1.4450    1   1   6        12
                66.01          3.41        1.4153    3   1   3        12
                68.91          3.93        1.3627    4   0   2         6
                69.25          8.19        1.3567    2   2   4        12
                71.49          2.23        1.3196    3   1   4        12
                72.52          2.43        1.3034    3   2   0         6
                73.53          2.57        1.2879    2   1   6        12
                75.56          3.26        1.2584    3   2   2        12
                76.90          6.47        1.2398    4   1   0         6
                77.64          1.65        1.2297    4   1   1        12
                77.89          3.31        1.2265    3   0   6         6
                78.06          2.63        1.2242    4   0   4         6
                78.31          1.71        1.2210    3   1   5        12
                79.30          2.09        1.2082    3   2   3        12
                79.38          2.58        1.2072    0   0   8         2
                79.88          6.29        1.2009    4   1   2        12
                84.30          2.86        1.1488    2   2   6        12
                84.46          3.12        1.1470    3   2   4        12
                85.76          1.34        1.1329    1   1   8        12
                86.42          4.51        1.1260    3   1   6        12
                87.88          2.60        1.1110    2   0   8         6
                88.69          4.60        1.1029    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.