Sellaite
      Baur W H, Khan A A
      Acta Crystallographica B27 (1971) 2133-2139
      Rutile-type compounds. VI.
      SiO2, GeO2 and a comparison with other rutile-type structures
      _database_code_amcsd 0009407

      CELL PARAMETERS:    4.6213   4.6213   3.0159   90.000   90.000   90.000
      SPACE GROUP: P4_2/mnm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     64.409
      Density (g/cm3):      3.212
      MAX. ABS. INTENSITY / VOLUME**2:      15.03624499    
      RIR:      1.524
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.29        100.00        3.2678    1   1   0         4
                35.54         17.85        2.5256    1   0   1         8
                40.71         80.95        2.2163    1   1   1         8
                43.80         26.23        2.0667    2   1   0         8
                53.77         69.53        1.7048    2   1   1        16
                56.31         27.03        1.6339    2   2   0         4
                61.49         15.45        1.5079    0   0   2         2
                63.68          4.68        1.4614    3   1   0         8
                64.91          2.17        1.4366    2   2   1         8
                68.38         33.45        1.3718    3   0   1         8
                68.53         10.45        1.3692    1   1   2         8
                71.77          5.14        1.3151    3   1   1        16
                78.52          4.48        1.2182    2   1   2        16
                83.71          3.32        1.1553    4   0   0         4
                86.91          3.75        1.1208    4   1   0         8
                88.17          9.97        1.1081    2   2   2         8
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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.