Blossite
      Mercurio-Lavaud D, Frit B
      Acta Crystallographica B29 (1973) 2737-2741
      Structure cristalline de la variete basse temperature
      du pyrovanadate de cuivre: Cu2V2O7 alpha
      Locality: synthetic
      _database_code_amcsd 0009498

      CELL PARAMETERS:   20.6800   8.4110   6.4480   90.000   90.000   90.000
      SPACE GROUP: Fdd2      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1121.562
      Density (g/cm3):      4.038
      MAX. ABS. INTENSITY / VOLUME**2:      49.44007283    
      RIR:      3.987
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.15          4.66        5.1700    4   0   0         2
                17.86          7.36        4.9675    1   1   1         4
                21.63          9.88        4.1089    3   1   1         4
                22.83          2.22        3.8956    2   2   0         4
                27.34        100.00        3.2624    4   2   0         4
                27.73         21.22        3.2167    5   1   1         4
                29.01         39.93        3.0779    2   0   2         2
                34.70          3.84        2.5850    8   0   0         2
                35.07          7.38        2.5585    7   1   1         4
                36.17         26.03        2.4837    2   2   2         4
                37.33          5.40        2.4090    3   3   1         4
                38.22          5.52        2.3545    6   0   2         2
                39.29          3.97        2.2932    4   2   2         4
                40.98          7.66        2.2022    8   2   0         4
                41.35          2.32        2.1836    5   3   1         4
                43.02          9.89        2.1028    0   4   0         2
                43.16          8.72        2.0962    9   1   1         4
                43.69          4.89        2.0719    1   1   3         4
                44.08          8.35        2.0544    6   2   2         4
                46.63          1.87        1.9478    4   4   0         4
                46.84          2.25        1.9395    7   3   1         4
                48.97          5.11        1.8600    5   1   3         4
                51.81          3.58        1.7647   11   1   1         4
                52.72          5.59        1.7362    2   4   2         4
                53.15          1.57        1.7233   12   0   0         2
                53.48          8.52        1.7133    9   3   1         4
                53.86          3.67        1.7021    7   1   3         4
                53.93          1.06        1.7000    1   3   3         4
                55.50          1.39        1.6558    3   3   3         4
                56.41          3.64        1.6312    8   4   0         4
                56.73          3.01        1.6227    1   5   1         4
                57.14          6.61        1.6120    0   0   4         1
                57.28          4.88        1.6084   10   2   2         4
                58.53          1.47        1.5769    5   3   3         4
                58.88          6.80        1.5683    6   4   2         4
                59.95          3.43        1.5430    9   1   3         4
                60.99          3.54        1.5191   13   1   1         4
                61.06          4.98        1.5176   11   3   1         4
                61.19          3.14        1.5146    5   5   1         4
                63.96          1.04        1.4555    8   4   2         4
                64.48         10.42        1.4452    4   2   4         4
                65.47          2.46        1.4256    7   5   1         4
                67.07          1.71        1.3955   11   1   3         4
                68.51          4.38        1.3696    9   3   3         4
                68.61          1.65        1.3678    8   0   4         2
                69.47          1.77        1.3530    4   6   0         4
                69.48          2.12        1.3528   13   3   1         4
                70.78          2.23        1.3312   15   1   1         4
                72.69          1.36        1.3008    8   2   4         4
                74.11          3.04        1.2793    0   4   4         2
                74.36          2.82        1.2757    2   6   2         4
                75.16          2.86        1.2641   13   1   3         4
                75.22          1.96        1.2633   11   3   3         4
                75.33          2.52        1.2616    5   5   3         4
                81.29          1.36        1.1835   17   1   1         4
                82.93          1.55        1.1643    3   7   1         4
                84.50          1.18        1.1466    8   4   4         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.