Tyrolite
      Krivovichev S V, Chernyshov D Y, Dobelin N, Armbruster T,
      Kahlenberg V, Kaindl R, Tessadri R, Kaltenhauser G
      American Mineralogist 91 (2006) 1378-1384
      Crystal chemistry and polytypism of tyrolite
      Sample: Brixlegg, Schwaz, Tyrol, Austria
      Note: Tyrolite-2M polytype
      _database_code_amcsd 0004224

      CELL PARAMETERS:   54.5200   5.5638  10.4647   90.000   96.432   90.000
      SPACE GROUP: C2/c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   3154.364
      Density (g/cm3):      3.416
      MAX. ABS. INTENSITY / VOLUME**2:      168.8040559    
      RIR:     16.090
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 3.26        100.00       27.0884    2   0   0         2
                 6.53         21.50       13.5442    4   0   0         2
                17.05          1.23        5.1994    0   0   2         2
                18.49          2.50        4.7988   -3   1   1         4
                18.72          1.11        4.7413   -6   0   2         2
                20.26          1.86        4.3829    5   1   1         4
                20.65          1.90        4.3022    6   0   2         2
                20.92          2.39        4.2462   -7   1   1         4
                22.70          1.47        3.9176    8   0   2         2
                22.77          1.37        3.9053   -9   1   1         4
                25.47          2.00        3.4967    5   1   2         4
                26.70          1.31        3.3383   -9   1   2         4
                28.80          1.12        3.1001    9   1   2         4
                29.83          1.14        2.9950  -16   0   2         2
                30.27          1.84        2.9529   -1   1   3         4
                30.31          1.26        2.9486   -3   1   3         4
                31.53          2.10        2.8378   15   1   1         4
                33.60          2.08        2.6671    7   1   3         4
                33.61          2.29        2.6667    2   2   1         4
                33.98          2.00        2.6386  -11   1   3         4
                34.87          1.00        2.5732    8   2   0         4
                36.49          1.33        2.4626   22   0   0         2
                37.05          1.15        2.4262   11   1   3         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.