Melanovanadite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R060131
      Konnert J A, Evans H T
      American Mineralogist 72 (1987) 637-644
      Crystal structure and crystal chemistry of melanovanadite, a natural vanadium
      bronze

      CELL PARAMETERS:   6.360000   18.09000   6.276000   110.1800   101.6200   82.86000
      SPACE GROUP: P-1
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                10.53        100.00        8.4089    0   2   0
                14.47          1.76        6.1239    0  -1   1
                14.91          1.65        5.9451    1   1   0
                15.51          1.26        5.7139   -1   1   0
                18.27          3.19        4.8562   -1   2   0
                19.08          4.72        4.6512   -1   0   1
                21.13         26.86        4.2044    0   4   0
                21.36         12.90        4.1598    0   2   1
                21.62         12.23        4.1107    0  -4   1
                23.25          7.71        3.8246    1  -2   1
                28.13         11.69        3.1711    1  -4   1
                28.74          9.72        3.1053    2   0   0
                29.64          3.12        3.0134   -2  -2   1
                29.74         17.41        3.0027   -1  -2   2
                30.15          6.96        2.9631    0   4   1
                30.05         17.84        2.9726    2   2   0
                30.21          3.85        2.9575   -2   0   1
                30.46          4.33        2.9334    0  -6   1
                30.95          3.06        2.8882    0   0   2
                31.20          1.23        2.8662    0  -4   2
                31.45          8.86        2.8439   -1  -4   2
                31.68          3.20        2.8232   -1  -6   1
                31.92          1.22        2.8030    0   6   0
                31.81          1.34        2.8120   -1   0   2
                34.35         10.08        2.6098   -2   2   1
                34.84          2.19        2.5740    2   4   0
                35.24          1.45        2.5461    1  -2   2
                35.77          1.05        2.5093    1  -6   1
                36.07          1.80        2.4893    0   2   2
                36.50          7.28        2.4608    1   0   2
                39.42          1.17        2.2848    2  -4   1
                40.48          3.02        2.2276    0  -8   1
                42.53          1.57        2.1245   -1   6   1
                43.14          1.74        2.0961    2   4   1
                43.49          1.75        2.0799    0   4   2
                43.77          1.73        2.0674   -1  -8   2
                43.70          1.25        2.0702    3   0   0
                44.84          1.27        2.0203   -2   6   0
                44.98          1.62        2.0143    1  -8   1
                46.89          2.48        1.9366   -1   0   3
                46.94          1.61        1.9345   -2  -8   1
                47.18          1.16        1.9255    0   0   3
                47.37          1.10        1.9183    1   4   2
                47.56          1.76        1.9108    0  -6   3
                48.40          4.18        1.8797   -3  -4   2
                49.63          1.26        1.8360   -2   6   1
                49.91          5.01        1.8264    3  -2   1
                50.57          1.39        1.8039    2   6   1
                50.89          2.93        1.7933    0   8   1
                51.66          1.96        1.7686   -1 -10   1
                51.63          1.41        1.7694   -1  -8   3
                52.04          2.11        1.7564   -1   2   3
                55.27          2.08        1.6611    1 -10   1
                56.33          1.34        1.6324   -2   2   3
                56.89          1.28        1.6177   -3  -2   3
                58.29          1.14        1.5820    3  -6   1
                58.10          2.13        1.5867   -4  -2   1
                58.59          1.01        1.5746   -1 -10   3
                58.81          1.97        1.5692   -4   0   1
                59.06          1.23        1.5632   -1  -4   4
                59.22          1.09        1.5594    3   0   2
                59.60          1.27        1.5504   -3   0   3
                62.45          1.18        1.4863    4   4   0
                63.37          1.23        1.4668   -1  -8   4
                69.62          1.37        1.3495   -1  12   0
                69.81          1.28        1.3464    2  10   1
                69.81          1.28        1.3464    2  10   1
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.