Scottyite
      Chen Y, Zhang Y, Feng S
      Dyes and Pigments 105 (2014) 167-173
      Hydrothermal synthesis and properties of pigments
      Chinese purple BaCuSi2O6 and dark blue BaCu2Si2O7
      Locality: synthetic
      _database_code_amcsd 0020060

      CELL PARAMETERS:    6.8632  13.1773   6.8632   90.000   90.000   90.000
      SPACE GROUP: Pnma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    620.692
      Density (g/cm3):      4.629
      MAX. ABS. INTENSITY / VOLUME**2:      81.11105558    
      RIR:      5.706
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.55          3.05        6.0870    0   1   1         4
                18.28          2.12        4.8530    1   0   1         4
                22.76         32.30        3.9074    1   2   1         8
                24.05          2.07        3.6996    0   3   1         4
                25.97          1.92        3.4316    0   0   2         2
                25.97          1.10        3.4316    2   0   0         2
                27.07         12.10        3.2943    0   4   0         2
                29.09          2.29        3.0693    2   0   1         4
                29.09          5.80        3.0693    1   0   2         4
                29.35         42.93        3.0435    0   2   2         4
                29.35         57.07        3.0435    2   2   0         4
                29.89          6.74        2.9893    1   1   2         8
                32.17          5.19        2.7822    2   2   1         8
                32.17          4.40        2.7822    1   2   2         8
                32.86         35.84        2.7257    1   4   1         8
                35.69          5.40        2.5159    2   3   1         8
                35.69          5.27        2.5159    1   3   2         8
                36.52          1.08        2.4603    0   5   1         4
                37.05         24.19        2.4265    2   0   2         4
                38.89          2.44        2.3160    1   5   1         8
                40.00          3.92        2.2540    0   1   3         4
                41.61          3.12        2.1703    3   0   1         4
                42.20          1.48        2.1415    3   1   1         8
                42.56          1.11        2.1240    2   3   2         8
                43.92          6.88        2.0614    3   2   1         8
                43.92          4.88        2.0614    1   2   3         8
                45.32          6.62        2.0009    1   6   1         8
                45.36          1.68        1.9995    1   5   2         8
                46.48         15.22        1.9537    2   4   2         8
                47.78          1.10        1.9035    2   0   3         4
                47.78          1.16        1.9035    3   0   2         4
                48.31          1.97        1.8839    2   1   3         8
                48.31          3.93        1.8839    3   1   2         8
                49.26          8.93        1.8498    0   6   2         4
                49.26         10.50        1.8498    2   6   0         4
                50.35          6.46        1.8124    3   4   1         8
                50.35          3.57        1.8124    1   4   3         8
                51.14          2.27        1.7861    1   6   2         8
                52.39          2.96        1.7466    2   3   3         8
                53.00          1.29        1.7276    0   5   3         4
                53.40          2.78        1.7158    0   0   4         2
                53.40          4.12        1.7158    4   0   0         2
                55.18          2.61        1.6646    1   0   4         4
                55.66          5.30        1.6514    1   1   4         8
                55.78          1.07        1.6482    3   4   2         8
                55.81          6.97        1.6472    0   8   0         2
                57.07          1.24        1.6139    4   2   1         8
                57.07          3.20        1.6139    1   2   4         8
                59.24          1.33        1.5598    1   8   1         8
                59.38          2.09        1.5565    1   3   4         8
                59.92          1.93        1.5437    1   6   3         8
                59.92          6.10        1.5437    3   6   1         8
                59.95          3.07        1.5431    2   5   3         8
                60.87          2.53        1.5218    4   4   0         4
                62.10          3.18        1.4946    2   2   4         8
                62.10          6.63        1.4946    4   2   2         8
                62.52          3.31        1.4857    4   4   1         8
                62.52          2.18        1.4857    1   4   4         8
                64.06          1.19        1.4536    0   7   3         4
                64.14          6.53        1.4520    3   4   3         8
                64.17          1.27        1.4514    1   8   2         8
                68.76          2.71        1.3652    3   1   4         8
                68.90          8.82        1.3628    2   8   2         8
                70.02          1.71        1.3438    3   2   4         8
                71.55          1.12        1.3187    5   2   1         8
                72.09          1.34        1.3102    0   3   5         4
                72.09          1.71        1.3102    4   3   3         8
                75.59          1.01        1.2580    2   6   4         8
                75.59          2.26        1.2580    4   6   2         8
                76.37          1.96        1.2470    1   7   4         8
                76.45          4.61        1.2460    5   4   1         8
                77.61          4.01        1.2302    0  10   2         4
                77.61          2.98        1.2302    2  10   0         4
                78.08          2.39        1.2240    2   3   5         8
                78.58          1.01        1.2174    4   5   3         8
                78.58          1.83        1.2174    0   5   5         4
                80.90          2.82        1.1882    4   8   0         4
                82.95          1.14        1.1640    3   6   4         8
                82.95          1.07        1.1640    4   6   3         8
                83.42          2.05        1.1587    5   2   3         8
                84.41          1.06        1.1476    5   6   1         8
                84.43          1.57        1.1473    2   5   5         8
                86.38          1.20        1.1264    3  10   1         8
                86.59          2.00        1.1242    1   1   6         8
                87.77          1.10        1.1121    6   2   1         8
                87.77          1.01        1.1121    1   2   6         8
                89.05          1.58        1.0994    1   9   4         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.