Sarmientite
      Colombo F, Rius J, Vallcorba O, Pannunzio Miner E V
      Mineralogical Magazine 78 (2014) 347-360
      The crystal structure of sarmientite, Fe3+2(AsO4)(SO4)(OH)*5H2O,
      solved ab initio from laboratory powder diffraction data
      Locality: Santa Elena mine, San Juan Province, Argentina
      _database_code_amcsd 0020437

      CELL PARAMETERS:    6.5298  18.5228   9.6344   90.000   97.444   90.000
      SPACE GROUP: P2_1/n    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1155.461
      Density (g/cm3):      2.664
      MAX. ABS. INTENSITY / VOLUME**2:      12.71809790    
      RIR:      1.554
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.55        100.00        9.2614    0   2   0         2
                10.42         41.54        8.4905    0   1   1         4
                13.32          5.69        6.6496    0   2   1         4
                14.49         30.73        6.1121    1   1   0         4
                16.23          1.93        5.4606   -1   1   1         4
                16.71          8.51        5.3065    1   2   0         4
                17.10         21.00        5.1855    0   3   1         4
                17.51          4.47        5.0637    1   0   1         2
                18.16          7.52        4.8845    1   1   1         4
                18.24         19.27        4.8633   -1   2   1         4
                19.17         44.46        4.6307    0   4   0         2
                19.19         10.25        4.6253    0   1   2         4
                19.87         14.29        4.4683    1   3   0         4
                19.98          6.44        4.4430    1   2   1         4
                20.93         92.55        4.2452    0   2   2         4
                21.18          1.64        4.1939   -1   3   1         4
                22.17         31.39        4.0090   -1   1   2         4
                23.55          2.33        3.7780    0   3   2         4
                23.70          8.94        3.7539   -1   2   2         4
                24.75          1.93        3.5978   -1   4   1         4
                25.02          6.24        3.5584    1   1   2         4
                26.08         23.81        3.4172    1   4   1         4
                26.81         35.45        3.3248    0   4   2         4
                27.55          5.88        3.2374    2   0   0         2
                27.74          3.92        3.2155    1   5   0         4
                28.35         10.59        3.1480   -2   1   1         4
                28.44          1.12        3.1384    0   1   3         4
                28.55         18.10        3.1266    1   3   2         4
                28.72          3.44        3.1085   -1   5   1         4
                28.92          1.66        3.0871    0   6   0         2
                29.22         52.45        3.0561    2   2   0         4
                29.58          1.29        3.0199   -2   2   1         4
                29.61          4.44        3.0165   -1   0   3         2
                30.43          1.01        2.9376    0   6   1         4
                30.54          1.05        2.9273    0   5   2         4
                30.67          4.47        2.9153    2   1   1         4
                31.20          4.88        2.8672    2   3   0         4
                31.31          8.12        2.8573   -2   0   2         2
                31.33          3.84        2.8549    1   4   2         4
                31.53          4.89        2.8372   -2   3   1         4
                31.69          4.84        2.8239   -2   1   2         4
                32.12          2.84        2.7866    1   6   0         4
                32.55          1.81        2.7506   -1   5   2         4
                32.80          5.88        2.7303   -2   2   2         4
                32.98          8.00        2.7161   -1   6   1         4
                33.05          3.11        2.7103   -1   3   3         4
                33.28          1.62        2.6924    1   1   3         4
                33.65         17.78        2.6633    2   3   1         4
                34.60         20.34        2.5928    0   6   2         4
                34.62         13.22        2.5913    1   5   2         4
                35.52          5.23        2.5275   -1   4   3         4
                36.07          6.10        2.4902    1   3   3         4
                36.69          1.36        2.4495    1   7   0         4
                36.97          8.91        2.4317   -2   4   2         4
                37.45          1.38        2.4012   -1   7   1         4
                38.37          6.70        2.3462    1   4   3         4
                38.43          1.74        2.3425    2   3   2         4
                38.90          1.37        2.3154    0   8   0         2
                38.91          1.23        2.3147    0   7   2         4
                38.94          1.35        2.3126    0   2   4         4
                39.01          1.05        2.3087    2   5   1         4
                39.71          2.17        2.2700   -1   2   4         4
                39.82          3.48        2.2638   -2   3   3         4
                40.50          2.17        2.2275    0   3   4         4
                40.64          2.86        2.2199   -2   6   1         4
                40.71          3.58        2.2165    0   6   3         4
                41.24          2.12        2.1893   -1   3   4         4
                42.28          2.82        2.1376    1   1   4         4
                42.36          3.34        2.1336    2   6   1         4
                42.61          6.37        2.1220    2   1   3         4
                43.14          1.67        2.0970   -2   6   2         4
                43.16          1.06        2.0962    1   2   4         4
                43.28          3.33        2.0903    2   5   2         4
                43.43          1.88        2.0835    0   8   2         4
                44.02          2.75        2.0572   -3   1   2         4
                44.11          2.06        2.0532   -2   0   4         2
                44.52          4.19        2.0352    0   7   3         4
                44.55          7.02        2.0338   -2   5   3         4
                44.59          2.40        2.0321    1   3   4         4
                45.33          2.74        2.0005    3   2   1         4
                45.85          9.64        1.9792   -1   5   4         4
                46.06          1.34        1.9704    2   7   1         4
                46.38          2.17        1.9577    2   6   2         4
                46.54          1.23        1.9514    1   8   2         4
                48.66          1.20        1.8712    0   2   5         4
                48.81          4.93        1.8658   -3   2   3         4
                48.95          2.34        1.8608    1   5   4         4
                49.19          1.58        1.8523    0  10   0         2
                49.53          1.40        1.8402    3   2   2         4
                50.07          2.13        1.8218    2   8   1         4
                50.17          3.13        1.8184    0  10   1         4
                50.75          2.38        1.7989   -2   8   2         4
                50.83          1.20        1.7964    3   3   2         4
                50.84          1.23        1.7958   -2   5   4         4
                51.03          1.05        1.7899    1   9   2         4
                51.30          1.33        1.7808    1  10   0         4
                51.60          1.44        1.7713    1   0   5         2
                51.68          2.77        1.7688    3   6   0         4
                51.78          2.65        1.7654    1   6   4         4
                51.90          2.03        1.7616   -3   4   3         4
                52.06          1.54        1.7566    2   6   3         4
                52.16          5.12        1.7535   -1   7   4         4
                53.03          4.26        1.7270    0  10   2         4
                53.61          2.71        1.7096   -2   6   4         4
                53.64          3.56        1.7086    2   8   2         4
                53.85          1.10        1.7026    1   3   5         4
                53.93          1.93        1.7001   -1   9   3         4
                54.14          1.59        1.6940   -3   5   3         4
                54.24          1.67        1.6910   -1   5   5         4
                54.60          2.87        1.6809    3   1   3         4
                54.90          1.19        1.6725    3   7   0         4
                55.00          8.74        1.6696    1   7   4         4
                55.26          3.86        1.6624    0   8   4         4
                55.27          1.88        1.6621    2   7   3         4
                55.60          2.76        1.6530   -3   3   4         4
                56.65          6.36        1.6248   -4   1   1         4
                56.75          1.18        1.6221   -2   7   4         4
                58.05          2.09        1.5889   -1   1   6         4
                58.17          1.60        1.5858    3   4   3         4
                58.33          1.50        1.5819   -3   8   1         4
                58.53          1.70        1.5770   -4   3   1         4
                58.76          1.28        1.5714   -2   9   3         4
                59.27          2.51        1.5591    0   9   4         4
                59.34          1.52        1.5574    4   1   1         4
                59.36          1.88        1.5568   -3   5   4         4
                59.83          1.36        1.5458   -1   9   4         4
                59.90          2.76        1.5441   -1   3   6         4
                60.40          1.61        1.5325   -3   0   5         2
                60.63          2.39        1.5272    1  11   2         4
                61.17          1.60        1.5151    4   3   1         4
                62.00          1.33        1.4968    1   1   6         4
                62.22          1.32        1.4921   -3   9   1         4
                62.44          2.14        1.4874    1   9   4         4
                62.74          1.80        1.4810    3   6   3         4
                62.76          2.71        1.4805   -4   3   3         4
                63.51          1.26        1.4648   -1   5   6         4
                63.54          1.13        1.4641    3   3   4         4
                63.79          1.88        1.4591    1   3   6         4
                64.74          2.01        1.4400    4   5   1         4
                66.28          1.10        1.4102   -4   5   3         4
                67.19          1.03        1.3933    2  12   0         4
                67.28          1.04        1.3917    1   5   6         4
                67.45          1.26        1.3885   -4   7   1         4
                68.33          1.57        1.3727   -3   6   5         4
                68.76          1.08        1.3652   -4   4   4         4
                68.77          1.30        1.3651   -3   1   6         4
                68.83          1.22        1.3639    3   8   3         4
                69.17          1.05        1.3581   -2  12   2         4
                70.69          2.08        1.3326    3   2   5         4
                71.28          1.13        1.3231    0  14   0         2
                74.21          1.79        1.2779   -3   8   5         4
                78.71          1.03        1.2158   -3   7   6         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.