Spinel
      Bosi F, Halenius U, Andreozzi G B, Skogby H, Lucchesi S
      American Mineralogist 92 (2007) 27-33
      Structural refinement and crystal chemistry of Mn-doped spinel: A case for
      tetrahedrally coordinated Mn3+ in an oxygen-based structure
      Sample: MgMn20
      _database_code_amcsd 0004263

      CELL PARAMETERS:    8.1413   8.1413   8.1413   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    539.612
      Density (g/cm3):      3.412
      MAX. ABS. INTENSITY / VOLUME**2:      16.41998753    
      RIR:      1.567
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.88         43.20        4.7004    1   1   1         8
                31.07         29.84        2.8784    2   2   0        12
                36.61        100.00        2.4547    3   1   1        24
                38.30          1.34        2.3502    2   2   2         8
                44.51         65.90        2.0353    4   0   0         6
                55.28          8.17        1.6618    4   2   2        24
                58.95         44.53        1.5668    5   1   1        24
                58.95          3.00        1.5668    3   3   3         8
                64.78         75.00        1.4392    4   4   0        12
                68.14          4.35        1.3761    5   3   1        48
                73.58          2.50        1.2873    6   2   0        24
                76.77         10.20        1.2415    5   3   3        24
                77.82          1.10        1.2273    6   2   2        24
                82.00          7.69        1.1751    4   4   4         8
                85.10          3.35        1.1400    5   5   1        24
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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.