Titanium
      Glavatskikh S F, Gorshkov A I
      Doklady Akademii Nauk SSSR 327 (1992) 123-127
      Natural analog of alpha-titanium in the exhalation products of
      the Great Tolbachik Fissure Eruption (Kamchatka)
      Locality: Great Tolbachik Fissure Eruption (Kamchatka)
      _database_code_amcsd 0018800

      CELL PARAMETERS:    2.9500   2.9500   4.6800   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     35.271
      Density (g/cm3):      4.506
      MAX. ABS. INTENSITY / VOLUME**2:      89.89373118    
      RIR:      6.495
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                35.13         25.39        2.5548    1   0   0         6
                38.47         25.58        2.3400    0   0   2         2
                40.22        100.00        2.2424    1   0   1        12
                53.07         12.97        1.7256    1   0   2        12
                63.02         13.79        1.4750    1   1   0         6
                70.76         13.47        1.3314    1   0   3        12
                74.24          1.89        1.2774    2   0   0         6
                76.32         13.73        1.2478    1   1   2        12
                77.45          9.79        1.2323    2   0   1        12
                82.43          1.77        1.1700    0   0   4         2
                86.88          2.28        1.1212    2   0   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.