Gillespite
      Miletich R, Allan D R, Angel R J
      American Mineralogist 82 (1997) 697-707
      The synthetic Cr2+ silicates BaCrSi4O10 and SrCrSi4O10: The missing links in
      the gillespite-type ABSi4O10 series
      SrCrSi4O10

      CELL PARAMETERS:   7.4562  7.4562 15.5414   90.000   90.000   90.000
      ALTERNATE SETTING FOR SPACE GROUP: P4/ncc    
      X-RAY WAVELENGTH:     1.541838
      MAX. ABS. INTENSITY / VOLUME**2:      19.71969996    
               2-THETA      INTENSITY    D-SPACING   H   K   L
                11.39         31.10        7.7707    0   0   2
                16.82          4.06        5.2723    1   1   0
                20.36         26.62        4.3629    1   1   2
                22.89         18.27        3.8853    0   0   4
                23.87          1.23        3.7281    2   0   0
                25.86         36.43        3.4456    1   0   4
                26.52        100.00        3.3613    2   0   2
                27.35         19.74        3.2603    2   1   1
                28.54         50.23        3.1278    1   1   4
                29.14         44.26        3.0643    2   1   2
                31.92          1.68        2.8039    2   1   3
                33.31         31.66        2.6900    2   0   4
                34.01         30.01        2.6362    2   2   0
                34.63          1.10        2.5902    0   0   6
                35.97          8.00        2.4964    2   2   2
                36.73          2.51        2.4468    1   0   6
                38.01          5.74        2.3673    3   0   2
                38.17          2.85        2.3579    3   1   0
                38.62          3.37        2.3312    3   1   1
                38.73         26.34        2.3248    1   1   6
                39.96         11.05        2.2563    3   1   2
                41.39          7.86        2.1814    2   2   4
                44.18          4.64        2.0499    3   2   1
                44.28          3.66        2.0456    2   1   6
                44.97         17.69        2.0157    3   1   4
                45.38          1.32        1.9984    3   2   2
                46.76          4.57        1.9427    0   0   8
                48.42          7.48        1.8799    1   0   8
                48.46          3.60        1.8785    3   1   5
                48.86         18.79        1.8641    4   0   0
                49.32          2.34        1.8476    2   2   6
                49.96         10.00        1.8255    3   2   4
                50.04          7.09        1.8229    1   1   8
                50.34          3.63        1.8126    4   0   2
                50.83          5.16        1.7963    4   1   1
                52.48         21.15        1.7436    3   1   6
                53.45          1.49        1.7142    3   3   2
                55.08          8.68        1.6673    4   2   0
                56.10          4.61        1.6395    4   1   4
                56.45         16.37        1.6302    4   2   2
                56.97          1.70        1.6164    3   1   7
                57.56          7.55        1.6013    3   3   4
                59.07          1.34        1.5639    2   2   8
                59.10          1.38        1.5631    4   1   5
                60.89          1.77        1.5214    1   0  10
                61.27          1.36        1.5130    4   0   6
                61.88          6.32        1.4993    3   1   8
                62.58          2.78        1.4844    4   3   1
                63.52          2.26        1.4645    4   3   2
                64.02          3.53        1.4543    3   3   6
                64.89          1.77        1.4371    5   1   2
                65.02         11.29        1.4345    2   0  10
                65.98          5.80        1.4159    3   2   8
                66.43          4.00        1.4073    5   1   3
                67.25          1.05        1.3922    5   0   4
                68.57          6.90        1.3686    5   1   4
                68.88          5.50        1.3631    5   2   2
                69.94          2.99        1.3450    4   0   8
                69.97          1.04        1.3445    4   3   5
                71.24          2.78        1.3237    4   1   8
                72.53          2.12        1.3033    3   3   8
                72.77          1.28        1.2995    4   4   2
                73.06          1.69        1.2951    0   0  12
                74.52          4.82        1.2734    5   1   6
                75.32          1.37        1.2618    5   3   2
                76.24          1.45        1.2489    4   1   9
                76.28          1.11        1.2482    4   4   4
                76.77          1.46        1.2415    5   3   3
                77.84          1.41        1.2271    6   0   2
                78.29          3.51        1.2212    5   1   7
                78.79          1.74        1.2146    5   3   4
                79.09          1.19        1.2108    6   1   2
                81.34          1.05        1.1829    5   0   8
                81.67          1.09        1.1789    6   2   0
                82.58          2.49        1.1683    5   1   8
                82.81          2.90        1.1656    6   2   2
                83.09          4.47        1.1624    2   2  12
                83.20          1.05        1.1612    5   4   1
                84.50          5.47        1.1466    5   3   6
                85.40          4.84        1.1368    4   2  10
                86.21          1.94        1.1281    6   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.