Thomasclarkite-(Y)
      Grice J D, Gault R A
      The Canadian Mineralogist 36 (1998) 1293-1300
      Thomasclarkite-(Y), a new sodium - rare-earth-element bicarbonate mineral
      species from Mont Saint-Hilaire, Quebec
      Note: z-coodinate for OH2 changed.
      Locality: Mont Saint-Hilaire, Quebec, Canada
      _database_code_amcsd 0005579

      CELL PARAMETERS:    4.5560  13.0180   4.5560   90.000   90.150   90.000
      SPACE GROUP: P2        
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    270.215
      Density (g/cm3):      2.069
      MAX. ABS. INTENSITY / VOLUME**2:      26.58432500    
      RIR:      4.183
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 6.79        100.00       13.0180    0   1   0         1
                13.60         16.77        6.5090    0   2   0         1
                19.48         38.97        4.5560    1   0   0         2
                20.47         16.32        4.3393    0   3   0         1
                20.65         16.39        4.3002    0   1   1         2
                20.65          5.42        4.3002    1   1   0         2
                23.84          1.74        3.7325    1   2   0         2
                27.65          6.45        3.2258   -1   0   1         2
                27.73          7.24        3.2174    1   0   1         2
                28.40          8.25        3.1422    1   3   0         2
                28.51         12.70        3.1311   -1   1   1         2
                28.58         10.72        3.1234    1   1   1         2
                30.94          2.94        2.8903   -1   2   1         2
                31.01          2.69        2.8842    1   2   1         2
                33.85          8.06        2.6482    0   4   1         2
                33.85          1.16        2.6482    1   4   0         2
                34.45          8.00        2.6036    0   5   0         1
                34.65          5.52        2.5888   -1   3   1         2
                34.71          5.40        2.5845    1   3   1         2
                39.33          3.99        2.2911   -1   4   1         2
                39.38          5.64        2.2880    1   4   1         2
                39.56          6.66        2.2780    0   0   2         2
                39.88          3.73        2.2605    1   5   0         2
                40.19          2.60        2.2439    2   1   0         2
                41.63          2.12        2.1697    0   6   0         1
                42.02          4.68        2.1501    0   2   2         2
                42.02          1.01        2.1501    2   2   0         2
                44.42          1.74        2.0396   -1   0   2         2
                44.42          3.32        2.0396   -2   0   1         2
                44.51          1.59        2.0354    1   0   2         2
                44.51          3.18        2.0354    2   0   1         2
                44.78          1.07        2.0239    1   5   1         2
                44.94         10.20        2.0170    0   3   2         2
                44.94          3.03        2.0170    2   3   0         2
                46.35          3.27        1.9589    1   6   0         2
                46.35          5.11        1.9589    0   6   1         2
                46.76          1.04        1.9426    1   2   2         2
                46.76          1.86        1.9426    2   2   1         2
                48.80          3.29        1.8662    2   4   0         2
                49.37          3.07        1.8459   -1   3   2         2
                49.37          3.11        1.8459   -2   3   1         2
                49.46          2.69        1.8427    1   3   2         2
                49.46          3.47        1.8427    2   3   1         2
                50.71          2.23        1.8003   -1   6   1         2
                50.75          2.15        1.7989    1   6   1         2
                53.20          1.11        1.7218    1   7   0         2
                53.20          1.24        1.7218    0   7   1         2
                53.44          1.50        1.7144    0   5   2         2
                57.39          1.49        1.6056   -2   5   1         2
                57.47          1.06        1.6035    2   5   1         2
                57.58          1.09        1.6007   -2   1   2         2
                57.75          1.17        1.5965    2   1   2         2
                64.64          1.06        1.4419   -3   0   1         2
                68.00          1.41        1.3786    0   9   1         2
                68.58          1.06        1.3683   -3   3   1         2
                68.69          1.20        1.3664    3   3   1         2
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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.