Magnesiotaaffeite-2N'2S
      Yang Z, Ding K, De Fourestier J, Mao Q, Li H
      The Canadian Mineralogist 50 (2012) 21-29
      Ferrotaaffeite-2N'2S, a new mineral species, and the crystal structure of
      Fe2+-rich magnesiotaaffeite-2N'2S from the Xianghualing tin-polymetallic ore
      field, Hunan Province, China
      Locality: Xianghualing tin-polymetallic ore field, Hunan Province, China
      _database_code_amcsd 0019041

      CELL PARAMETERS:    5.6978   5.6978  18.3730   90.000   90.000  120.000
      SPACE GROUP: P6_3mc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    516.565
      Density (g/cm3):      3.863
      MAX. ABS. INTENSITY / VOLUME**2:      12.09513793    
      RIR:      1.020
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.63          2.37        9.1865    0   0   2         1
                18.62          1.85        4.7656    1   0   1         6
                19.32          5.85        4.5932    0   0   4         1
                20.43         12.60        4.3470    1   0   2         6
                23.15          1.60        3.8424    1   0   3         6
                26.51         15.58        3.3621    1   0   4         6
                30.33         24.66        2.9472    1   0   5         6
                31.40         42.54        2.8489    1   1   0         6
                32.92          3.08        2.7211    1   1   2         6
                34.47         63.04        2.6019    1   0   6         6
                36.42          2.41        2.4672    2   0   0         6
                36.75         21.22        2.4453    2   0   1         6
                37.14        100.00        2.4210    1   1   4         6
                37.75         24.52        2.3828    2   0   2         6
                38.86         12.66        2.3173    1   0   7         6
                39.37          6.66        2.2885    2   0   3         6
                41.55         12.16        2.1735    2   0   4         6
                43.46          1.26        2.0822    1   0   8         6
                44.22         38.81        2.0483    2   0   5         6
                47.31         18.55        1.9212    2   0   6         6
                48.83          1.83        1.8650    2   1   0        12
                49.10          1.57        1.8555    2   1   1        12
                49.89          1.40        1.8278    2   1   2        12
                52.99          3.13        1.7280    2   1   4        12
                53.20          5.93        1.7218    1   0  10         6
                54.59          8.74        1.6810    2   0   8         6
                55.23          6.24        1.6631    2   1   5        12
                55.90          5.85        1.6448    3   0   0         6
                57.89         31.73        1.5929    2   1   6        12
                58.07          1.31        1.5885    3   0   3         6
                58.32          2.04        1.5821    1   0  11         6
                58.70          9.40        1.5728    2   0   9         6
                59.71         21.83        1.5485    3   0   4         6
                60.47          1.94        1.5311    0   0  12         1
                60.94         11.85        1.5203    2   1   7        12
                63.09         43.11        1.4736    2   0  10         6
                65.53         59.55        1.4245    2   2   0         6
                67.75         22.69        1.3831    2   0  11         6
                72.00          1.12        1.3116    3   1   4        12
                72.17          2.07        1.3089    2   1  10        12
                73.90          2.09        1.2825    3   1   5        12
                74.87          3.02        1.2683    1   0  14         6
                76.20          8.54        1.2495    3   1   6        12
                76.57          1.93        1.2442    2   1  11        12
                77.56          1.94        1.2308    4   0   1         6
                78.18          3.39        1.2226    4   0   2         6
                78.88          3.03        1.2135    3   1   7        12
                80.86          1.92        1.1888    1   0  15         6
                82.48          2.77        1.1695    4   0   5         6
                84.34          1.55        1.1483    0   0  16         1
                84.71          1.52        1.1442    4   0   6         6
                87.15          1.13        1.1184    1   0  16         6
                89.24          2.33        1.0975    3   1  10        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.