Moissanite
      Xu Y N, Ching W Y
      Physical Review B48 (1993) 4335-4351
      Electronic, optical, and structural properties of some wurtzite crystals
      _database_code_amcsd 0015175

      CELL PARAMETERS:    3.0760   3.0760   5.0480   90.000   90.000  120.000
      SPACE GROUP: P6_3mc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     41.364
      Density (g/cm3):      3.219
      MAX. ABS. INTENSITY / VOLUME**2:      17.78175148    
      RIR:      1.799
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                33.64         75.18        2.6639    1   0   0         6
                35.57         50.77        2.5240    0   0   2         1
                38.20        100.00        2.3560    1   0   1         6
                49.77         26.11        1.8322    1   0   2         6
                60.17         43.38        1.5380    1   1   0         6
                65.63         43.64        1.4226    1   0   3         6
                70.73          6.34        1.3319    2   0   0         6
                71.89         31.63        1.3134    1   1   2         6
                73.54         13.98        1.2879    2   0   1         6
                75.31          2.20        1.2620    0   0   4         1
                81.75          5.42        1.1780    2   0   2         6
                85.06          2.37        1.1405    1   0   4         6
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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.