Tuperssuatsiaite-Mn
Diffraction data computed using the structute from the paper listed below,
along with the cell parameters refined from single crystal data of R050223
      Camara F, Garvie L A J, Devouard B, Groy T L, Buseck P R
      American Mineralogist 87 (2002) 1458-1463
      The structure of Mn-tuperssuatsiaite, a palygorskite-related mineral

      CELL PARAMETERS:  13.7400 17.6900  5.2100   90.000  104.500   90.000
      SPACE GROUP: C2/m      

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Si     0.29740   0.41580   0.03660     1.000     1.263
            Si     0.29620   0.33270   0.53010     1.000     1.342
            Fe     0.50000   0.50000   0.00000     0.430     1.105
            Mn     0.50000   0.50000   0.00000     0.570     1.105
            Fe     0.50000   0.40950   0.50000     0.330     1.184
            Mn     0.50000   0.40950   0.50000     0.670     1.184
            Na     0.50000   0.29700   0.00000     0.940     2.290
            O      0.41540   0.41640   0.12160     1.000     1.342
            O      0.41200   0.33330   0.59200     1.000     1.737
            O      0.25000   0.25000   0.50000     1.000     2.448
            OH     0.56990   0.50000   0.37670     1.000     1.579
            O      0.25390   0.50000  -0.00550     1.000     1.737
            O      0.25150   0.37660   0.25810     1.000     1.658
            O      0.25630   0.37160   0.76550     1.000     1.816
            Wa     0.42910   0.20480   0.20700     1.000     8.133
            O      0.55600   0.00000   0.29000     1.000    39.478

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    0.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/- 12 +/- 16 +/-  4
            MAX. ABS. INTENSITY / VOLUME**2:      59.93842521    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                 8.32        100.00       10.6318    1   1   0
                10.00          1.33        8.8450    0   2   0
                16.68          1.26        5.3159    2   2   0
                20.08          2.39        4.4225    0   4   0
                20.27          4.43        4.3816    0   2   1
                21.73          3.87        4.0905   -2   2   1
                24.17          3.90        3.6827    2   4   0
                25.13          1.45        3.5439    3   3   0
                25.38          2.98        3.5098    1   3   1
                26.69          3.94        3.3404    2   2   1
                26.81          6.72        3.3256    4   0   0
                26.81          1.26        3.3253    0   4   1
                27.72          1.04        3.2185   -3   3   1
                27.95          1.49        3.1926   -2   4   1
                29.99          1.18        2.9794   -4   2   1
                30.63          1.72        2.9188   -1   5   1
                34.08          2.47        2.6309    5   1   0
                34.46          7.20        2.6023   -3   5   1
                35.60          1.81        2.5220    0   0   2
                36.16          4.03        2.4843   -2   6   1
                38.29          3.17        2.3506    1   1   2
                39.53          1.21        2.2795    3   5   1
                41.88          1.28        2.1571   -4   6   1
                42.71          1.10        2.1169   -5   5   1
                43.10          1.03        2.0986   -5   1   2
                53.75          1.42        1.7053   -7   5   1
                62.02          1.24        1.4964   -2   6   3
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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.