Eulytine
Diffraction data computed using the structure from the paper listed below, 
along with the cell parameters refined from single crystal data of R130114
      Segal D J, Santoro R P, Newnham R E
      Zeitschrift fur Kristallographie 123 (1966) 73-76
      Neutron-diffraction study of Bi4Si3O12
      Locality: synthetic
      _database_code_amcsd 0010629

      CELL PARAMETERS:  10.2990 10.2990 10.2990   90.000   90.000   90.000
      SPACE GROUP: I-43d     

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Bi     0.08570   0.08570   0.08570     1.000     1.500
            Si     0.37500   0.00000   0.25000     1.000     0.500
            O      0.06070   0.13350   0.28750     1.000     1.000

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  9 +/-  9 +/-  9
            MAX. ABS. INTENSITY / VOLUME**2:      228.8262714    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                21.13        100.00        4.2045    2   1   1
                24.45          4.35        3.6412    2   2   0
                27.38         88.81        3.2568    3   1   0
                32.53         91.66        2.7525    3   2   1
                34.84         14.46        2.5747    4   0   0
                43.03         45.96        2.1023    4   2   2
                44.88         19.19        2.0198    5   1   0
                44.88         24.25        2.0198    4   3   1
                48.41          1.35        1.8803    5   2   1
                50.10          1.63        1.8206    4   4   0
                51.76         16.09        1.7663    5   3   0
                54.96         21.05        1.6707    5   3   2
                54.96         10.23        1.6707    6   1   1
                56.51         10.37        1.6284    6   2   0
                58.04         16.40        1.5892    5   4   1
                61.02         13.08        1.5185    6   3   1
                62.48          3.84        1.4865    4   4   4
                63.92          5.36        1.4565    7   1   0
                63.92         11.30        1.4565    5   4   3
                66.74          5.02        1.4015    5   5   2
                68.13          3.94        1.3763    6   4   2
                69.51          1.66        1.3523    7   3   0
                72.23          4.16        1.3080    7   3   2
                74.91          7.36        1.2677    7   4   1
                77.55          4.28        1.2310    6   5   3
                78.86          6.04        1.2137    6   6   0
                78.86          6.71        1.2137    8   2   2
                80.17          5.79        1.1972    7   4   3
                80.17          3.83        1.1972    8   3   1
                82.77          5.08        1.1661    7   5   2
                85.35          2.09        1.1373    9   1   0
                87.92          4.25        1.1106    9   2   1
                87.92          1.79        1.1106    6   5   5
                89.21          2.54        1.0979    6   6   4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.