Achavalite
      Franz E D
      Neues Jahrbuch fur Mineralogie, Monatshefte 1972 (1972) 276-280
      Rontgenographische Daten der Mischphasen im System Pyrit (FeS2) -
      Ferroselit (FeSe2)/Pyrrhotin (FeS) - Achavalit (FeSe)
      Locality: synthetic
      _database_code_amcsd 0019171

      CELL PARAMETERS:    3.6360   3.6360   5.9460   90.000   90.000  120.000
      SPACE GROUP: P6_3mc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     68.077
      Density (g/cm3):      6.575
      MAX. ABS. INTENSITY / VOLUME**2:      134.6712388    
      RIR:      6.669
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.34          5.68        3.1489    1   0   0         6
                30.06          1.75        2.9730    0   0   2         1
                32.17        100.00        2.7827    1   0   1         6
                41.79         95.10        2.1617    1   0   2         6
                50.18         52.46        1.8180    1   1   0         6
                54.72         20.11        1.6774    1   0   3         6
                59.61          1.79        1.5510    1   1   2         6
                60.86         14.22        1.5220    2   0   1         6
                62.48          8.36        1.4865    0   0   4         1
                67.29         19.27        1.3914    2   0   2         6
                77.41          6.61        1.2328    2   0   3         6
                82.69          3.65        1.1670    2   1   1        12
                84.12         19.16        1.1508    1   1   4         6
                87.73          4.72        1.1125    1   0   5         6
                88.49          5.43        1.1049    2   1   2        12
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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.