Karpatite
      Echigo T, Kimata M, Maruoka T
      American Mineralogist 92 (2007) 1262-1269
      Crystal-chemical and carbon-isotopic characteristics of karpatite (C24H12) from
      the Picacho Peak Area, San Benito County, California: Evidences for the
      hydrothermal formation
      Locality: Picacho Peak Area, San Benito County, California, USA
      _database_code_amcsd 0004413

      CELL PARAMETERS:   16.0940   4.6900  10.0490   90.000  110.790   90.000
      SPACE GROUP: P2_1/a    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    709.119
      Density (g/cm3):      1.406
      MAX. ABS. INTENSITY / VOLUME**2:      4.393201201    
      RIR:      1.017
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.41        100.00        9.3947    0   0   1         2
                11.76         75.71        7.5230    2   0   0         2
                12.19         45.29        7.2634   -2   0   1         2
                17.52          7.72        5.0609    2   0   1         2
                18.38          6.24        4.8280   -2   0   2         2
                18.89          5.79        4.6973    0   0   2         2
                19.83          2.54        4.4775    1   1   0         4
                22.12          4.03        4.0188   -4   0   1         2
                22.34         40.71        3.9799    2   1   0         4
                22.57         23.67        3.9400   -2   1   1         4
                22.89          4.14        3.8857    1   1   1         4
                23.65          4.21        3.7615    4   0   0         2
                24.51          2.33        3.6317   -4   0   2         2
                25.43         80.50        3.5032   -3   1   1         4
                25.90          1.88        3.4400    2   1   1         4
                26.01         25.16        3.4256    3   1   0         4
                26.50          1.93        3.3641   -2   1   2         4
                26.67          2.49        3.3425   -2   0   3         2
                28.52          1.44        3.1297    4   0   1         2
                28.97          2.43        3.0825    1   1   2         4
                29.27         25.38        3.0517   -4   1   1         4
                30.46          1.94        2.9343    4   1   0         4
                33.79          3.38        2.6527   -5   1   1         4
                39.22          1.31        2.2969   -6   1   2         4
                39.83          1.51        2.2632    2   1   3         4
                40.42          1.04        2.2316   -2   2   1         4
                41.49          1.96        2.1766   -1   1   4         4
                43.07          1.32        2.1001    0   1   4         4
                43.63          1.87        2.0744    3   1   3         4
                44.08          2.66        2.0545   -7   1   2         4
                45.68          2.97        1.9862   -4   0   5         2
                46.07          1.06        1.9700   -4   2   2         4
                46.73          2.28        1.9440    6   0   2         2
                48.01          3.48        1.8949   -5   2   1         4
                48.82          1.38        1.8654   -5   2   2         4
                51.89          2.34        1.7621   -6   2   1         4
                56.20          1.22        1.6367   -7   2   2         4
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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.