Volkovskite
      Poulin R S, Grice J D
      The Canadian Mineralogist 51 (2013) 157-169
      Volkovskite, a complex borate mineral: refined crystallographic data and optics
      Locality: New Brunswick, Canada
      _database_code_amcsd 0020421

      CELL PARAMETERS:    6.5350  24.1850   6.5890   92.626  119.132   97.298
      SPACE GROUP: P1        
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    895.288
      Density (g/cm3):      2.275
      MAX. ABS. INTENSITY / VOLUME**2:      5.159242411    
      RIR:      0.738
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 3.71         37.60       23.8032    0   1   0         1
                 7.43         42.95       11.9016    0   2   0         1
                11.15        100.00        7.9344    0   3   0         1
                14.89         22.61        5.9508    0   4   0         1
                15.50          1.36        5.7168    0  -1   1         1
                15.52          1.04        5.7109    0   0   1         1
                15.94          1.59        5.5596   -1   1   1         1
                16.24          1.13        5.4586   -1   2   0         1
                16.36          9.53        5.4181    0  -2   1         1
                16.41         10.82        5.4031    0   1   1         1
                17.70          2.16        5.0107   -1   3   0         1
                17.70          1.69        5.0104   -1  -2   1         1
                17.97          1.75        4.9349    0  -3   1         1
                18.57          1.88        4.7788    1   2   0         1
                18.83          1.29        4.7132   -1   3   1         1
                19.78          1.51        4.4889   -1   4   0         1
                20.17          1.46        4.4028    0  -4   1         1
                20.26          3.83        4.3840    0   3   1         1
                21.14          1.80        4.2018   -1   4   1         1
                22.41          1.87        3.9672    0   6   0         1
                22.78          2.66        3.9030    0  -5   1         1
                23.55          1.96        3.7775    1   4   0         1
                25.04          1.43        3.5560   -1  -5   1         1
                25.70          3.50        3.4662    0  -6   1         1
                25.81          2.87        3.4519    0   5   1         1
                26.21         41.55        3.4005    0   7   0         1
                26.84          1.04        3.3220    1  -1   1         1
                26.97          2.26        3.3054    1  -2   1         1
                27.10          2.31        3.2908   -1   0   2         1
                27.23          4.23        3.2750    1   0   1         1
                27.52         85.73        3.2410   -2   0   1         1
                27.59          3.87        3.2327   -2   2   1         1
                27.63          1.27        3.2281    1  -3   1         1
                28.25          1.68        3.1591   -1   7   0         1
                28.40          2.46        3.1430   -2   3   1         1
                28.45          1.69        3.1373   -1   2   2         1
                28.78          2.57        3.1018    1  -4   1         1
                28.92          1.43        3.0871   -1  -3   2         1
                29.47          3.13        3.0312   -2  -2   1         1
                29.67          1.06        3.0110   -2   4   1         1
                29.84          6.32        2.9944   -1   3   2         1
                30.03          2.43        2.9754    0   8   0         1
                30.37          1.72        2.9433    1  -5   1         1
                30.47          5.25        2.9338   -1  -4   2         1
                31.08         11.15        2.8777    0  -1   2         1
                31.10          2.13        2.8755   -2  -3   1         1
                31.28          2.19        2.8598    1   3   1         1
                31.29          1.59        2.8584    0  -2   2         1
                31.33          1.52        2.8554    0   0   2         1
                31.36          1.53        2.8525   -2   5   1         1
                31.39          2.10        2.8500   -2   1   0         1
                31.41          9.27        2.8479   -2   2   0         1
                31.52          2.98        2.8385   -1   8   0         1
                31.63          1.60        2.8287   -1   4   2         1
                31.67          2.33        2.8254   -2   0   2         1
                31.71         10.39        2.8219   -2   1   2         1
                31.96          3.45        2.7999    0  -3   2         1
                32.03          2.97        2.7944    0   1   2         1
                32.08          1.27        2.7898   -2  -1   2         1
                32.15          3.02        2.7843    0  -8   1         1
                32.27          3.23        2.7741    0   7   1         1
                32.34          1.82        2.7686    1  -6   1         1
                32.40          1.93        2.7632   -1  -5   2         1
                32.70          4.99        2.7386    2   1   0         1
                32.94          7.50        2.7192   -2  -2   2         1
                33.03          2.25        2.7117    1   7   0         1
                33.07          2.05        2.7090    0  -4   2         1
                33.11          1.70        2.7058   -2  -4   1         1
                33.16          2.36        2.7015    0   2   2         1
                33.41          1.53        2.6819   -2   6   1         1
                33.89         51.99        2.6448    0   9   0         1
                34.56          2.03        2.5951    0  -5   2         1
                34.63          4.50        2.5904    1  -7   1         1
                34.68          2.15        2.5863    0   3   2         1
                35.43          1.72        2.5339   -2  -5   1         1
                35.84          4.31        2.5056    1   5   1         1
                37.19          1.41        2.4175    1  -8   1         1
                37.19          1.01        2.4174   -1  -7   2         1
                37.79          2.66        2.3803    0  10   0         1
                38.01          1.20        2.3672   -2  -6   1         1
                38.52          1.32        2.3371    1   6   1         1
                38.90          3.07        2.3155   -1   7   2         1
                40.39          2.22        2.2331   -1  10   1         1
                41.00          2.46        2.2014    0  -8   2         1
                41.18          1.96        2.1920    0   6   2         1
                41.23          2.18        2.1895   -2   9   1         1
                41.42          1.54        2.1800    1   7   1         1
                41.46          1.89        2.1780    1  -2   2         1
                41.73          4.01        2.1646    1  -3   2         1
                41.77          3.19        2.1624    2  -1   1         1
                42.16          5.37        2.1433   -3   2   1         1
                42.20         15.68        2.1415   -2  -1   3         1
                42.22          2.57        2.1406   -3   1   1         1
                42.27          3.45        2.1379   -2   1   3         1
                42.33          1.48        2.1350   -1   1   3         1
                42.35          3.78        2.1341    1  -4   2         1
                42.46          1.03        2.1287   -3   3   1         1
                42.74          1.14        2.1157   -2   9   0         1
                42.81          3.12        2.1124    0 -11   1         1
                42.81          4.88        2.1121    1   1   2         1
                42.84          3.10        2.1107   -2   2   3         1
                42.94          1.48        2.1063   -1  -9   2         1
                42.94          2.99        2.1061    0  10   1         1
                42.99          1.16        2.1041    1 -10   1         1
                43.12          3.10        2.0980   -3   4   1         1
                43.52          1.63        2.0796   -1  -4   3         1
                43.54          3.90        2.0787   -2  -3   3         1
                43.76          2.45        2.0688   -2   3   3         1
                43.76          1.08        2.0687    1  10   0         1
                43.96          2.21        2.0599    1   2   2         1
                44.11          7.33        2.0531   -3   5   1         1
                44.32          1.21        2.0440   -1   3   3         1
                44.47          1.00        2.0373    2  -6   1         1
                44.48          5.39        2.0367   -3  -2   1         1
                44.62          9.66        2.0309    1  -6   2         1
                44.71          1.43        2.0269   -2  -4   3         1
                45.00          1.30        2.0146   -2   4   3         1
                45.41          6.21        1.9972    1   3   2         1
                45.42          1.64        1.9968   -3   6   1         1
                45.74         10.82        1.9836    0  12   0         1
                45.89          1.67        1.9775   -3  -3   1         1
                46.19          1.60        1.9652   -2  -5   3         1
                46.22          1.53        1.9643    1  -7   2         1
                46.54          1.56        1.9515    0 -10   2         1
                47.02          1.69        1.9326   -2  -9   1         1
                47.03          2.64        1.9320   -3   7   1         1
                47.16          2.78        1.9271    1   4   2         1
                47.59          4.36        1.9107   -3  -4   1         1
                47.83          1.39        1.9019    2  -8   1         1
                48.10          1.75        1.8917    1  -8   2         1
                48.37          4.59        1.8817   -2   6   3         1
                48.49          2.51        1.8772   -2  11   0         1
                48.80          4.18        1.8660   -2  10   2         1
                48.93          1.29        1.8617   -3   8   1         1
                49.18          1.17        1.8526    1   5   2         1
                49.57          1.27        1.8391   -3  -5   1         1
                50.24          2.16        1.8160    1  -9   2         1
                50.83          1.49        1.7963   -2  12   1         1
                51.45          3.87        1.7761    1   6   2         1
                52.08          1.20        1.7562    2   6   1         1
                52.28          4.18        1.7497   -2  -8   3         1
                52.79          2.79        1.7340   -2   8   3         1
                53.46          1.14        1.7140   -3  10   1         1
                53.93          1.26        1.7002    0  14   0         1
                54.24          2.83        1.6910   -3  -7   1         1
                54.61          1.49        1.6805    2  10   0         1
                54.68          3.04        1.6787   -2 -11   2         1
                55.35          1.12        1.6599   -2   9   3         1
                56.81          4.21        1.6205   -4   0   2         1
                57.51          3.05        1.6024   -2 -10   3         1
                58.87          1.15        1.5687   -3  12   1         1
                61.07          1.65        1.5174   -2  11   3         1
                62.42          1.55        1.4877    0  16   0         1
                65.05          1.21        1.4338   -3  14   1         1
                66.08          1.07        1.4140   -3 -11   1         1
                76.39          1.29        1.2467   -1   0   5         1
                76.52          1.17        1.2449   -1  -4   5         1
                77.58          1.00        1.2306    4   0   1         1
                78.12          1.15        1.2234   -5   4   4         1
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.