Institute of Experimental Mineralogy
                 Russian Academy of Sciences
     -------------------------------------------------
           142432, Chernogolovka, Moscow district
             A.V. Chichagov  +7(496)52-22320

                            ***

          ***      W W W - X R A Y P O L       ***
                  ***********************
STEININGERITE

1

(Ba,K)(2)(Zr,Ti,Nb)(2)[Si(4)O(12)]O(2)


Tetragonal  P 4/mbm  Z = 2

R =0.031          NR =444

4 .3 .25

Ref.Str.:

         Juroszek R., Kruger B., Kolitsch U., Frenz G., Blash G. (2024)

         * Mineral. Mag., 1-27 doi:10.1180/mgm.2024.102

         L: $Ba1.36 K0.56 Na0.09 Sr0.05 Ca0.02 Zr1.52 Ti0.25 Nb0.13

         U0.05 Fe0.02 Hf0.01 Si4.0 Al0.03 O13.59 F0.41$

         R: IMA2024-016. Locality - Lohley, Udersdorf, Daun, Vulkaneifel,

         Rhineland-Palatinate, Germany. N.A.D.

                   Initial data from BDM-file 

   Lattice parameters (cub. angs.,degr.):

             a =   8.894    alpha =   90.0 
             b =   8.894    beta  =   90.0 
             c =   8.051    gamma =   90.0 

    Unit cell volume (cub. angs.) =   636.86

    Molar volume ( cub.cm/mol.) =   191.8 

  Co-ordinates, thermal parameters, occupation for atomic positions:

NoP   x/a     y/b     z/c    B(j)   atom  / occupation

   1 0.682   0.182   0.0      0.0    Ba    = 0.65, K     = 0.28, Na    = 0.07
   2 0.0     0.0     0.2568   0.0    Zr    = 0.72, Ti    = 0.12, Nb    = 0.07, U     = 0.03
   3 0.377   0.123   0.6981   0.0    Si    = 1.00
   4 0.0     0.0     0.0      0.0    O     = 1.00
   5 0.0     0.0     0.5      0.0    O     = 1.00
   6 0.5     0.0     0.2341   0.0    O     = 1.00
   7 0.2189  0.0747  0.2241   0.0    O     = 1.00
   8 0.377   0.123   0.5      0.0    O     = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.682      0.182      0.0   
     2       2     0.0        0.0        0.2568
     3       3     0.377      0.123      0.6981
     4       4     0.0        0.0        0.0   
     5       5     0.0        0.0        0.5   
     6       6     0.5        0.0        0.2341
     7       7     0.2189     0.0747     0.2241
     8       8     0.377      0.123      0.5   
     9       1     0.818      0.682      0.0   
    10       1     0.318      0.818      0.0   
    11       1     0.182      0.318      0.0   
    12       3     0.877      0.377      0.6981
    13       3     0.623      0.877      0.6981
    14       3     0.123      0.623      0.6981
    15       6     0.0        0.5        0.2341
    16       7     0.9253     0.2189     0.2241
    17       7     0.7811     0.9253     0.2241
    18       7     0.0747     0.7811     0.2241
    19       8     0.877      0.377      0.5   
    20       8     0.623      0.877      0.5   
    21       8     0.123      0.623      0.5   
    22       2     0.5        0.5        0.2568
    23       4     0.5        0.5        0.0   
    24       5     0.5        0.5        0.5   
    25       7     0.2811     0.5747     0.2241
    26       7     0.5747     0.7189     0.2241
    27       7     0.7189     0.4253     0.2241
    28       7     0.4253     0.2811     0.2241
    29       2     0.0        0.0        0.7432
    30       3     0.377      0.123      0.3019
    31       6     0.5        0.0        0.7659
    32       7     0.2189     0.0747     0.7759
    33       3     0.877      0.377      0.3019
    34       3     0.623      0.877      0.3019
    35       3     0.123      0.623      0.3019
    36       6     0.0        0.5        0.7659
    37       7     0.9253     0.2189     0.7759
    38       7     0.7811     0.9253     0.7759
    39       7     0.0747     0.7811     0.7759
    40       2     0.5        0.5        0.7432
    41       7     0.2811     0.5747     0.7759
    42       7     0.5747     0.7189     0.7759
    43       7     0.7189     0.4253     0.7759
    44       7     0.4253     0.2811     0.7759


X-ray density (g/cm cub.)   =      3.7 

MU (1/cm) =     749.982    Mass attenuation coefficient (cm**2/g) =    202.591

 Selected interatomic distances (cation-anion,anion-anion):

 NoP    Atom              Rad.sph.      C.N.    Distance     NoP N.
                           (angs.)               (angs.)

    1   Ba   ,K    ,Na       3.288       12
                                                 3.2587       4
                                                 2.9654       6
                                                 2.8363       7
                                                 3.0406       7
                                                 3.2587       4
                                                 2.8363       7
                                                 3.0406       7
                                                 2.9654       6
                                                 2.8363       7
                                                 3.0406       7
                                                 2.8363       7
                                                 3.0406       7
    2   Zr   ,Ti   ,Nb   ,U       2.88         6
                                                 2.0677       4
                                                 1.9578       5
                                                 2.0739       7
                                                 2.0739       7
                                                 2.0739       7
                                                 2.0739       7
    3    Si                  2.1          4
                                                 1.5949       8
                                                 1.6407       6
                                                 1.5981       7
                                                 1.5981       7
    4    O                   3.264        8
                                                 2.7362       7
                                                 2.7362       7
                                                 2.7362       7
                                                 2.7362       7
                                                 2.7362       7
                                                 2.7362       7
                                                 2.7362       7
                                                 2.7362       7
    5    O                   3.264        8
                                                 3.0275       7
                                                 3.0275       7
                                                 3.0275       7
                                                 3.0275       7
                                                 3.0275       7
                                                 3.0275       7
                                                 3.0275       7
                                                 3.0275       7
    6    O                   3.264        6
                                                 2.5881       7
                                                 2.6413       8
                                                 2.5881       7
                                                 2.6413       8
                                                 2.5881       7
                                                 2.5881       7
    7    O                   3.264        7
                                                 2.7362       4
                                                 3.0275       5
                                                 2.5881       6
                                                 2.6638       8
                                                 2.9092       7
                                                 2.9092       7
                                                 2.5961       7
    8    O                   3.264        7
                                                 2.6413       6
                                                 2.6638       7
                                                 3.0942       8
                                                 2.6638       7
                                                 2.6413       6
                                                 2.6638       7
                                                 2.6638       7

  X-ray diffraction powder data (II),  X-Ray W.L. =   1.78892(angs.):

  No   H   K   L   Theta 2*Theta    S       LPG   MF        F          I int.
                    ( degree )                                         *100

    1   0   0   1  6.379  12.757   0.062  159.07    2      114.7     1032.7
    2   1   1   0  8.177  16.353   0.08    95.93    4       65.0      400.3
    3   1   1   1 10.397  20.795   0.101   58.49    8        1.1        0.2
    4   2   0   0 11.604  23.207   0.112   46.55    4       73.5      248.1
    5   0   0   2 12.838  25.676   0.124   37.65    2      129.4      311.0
    6   2   1   0 12.996  25.992   0.126   36.69    8       14.6       15.4
    7   2   0   1 13.284  26.568   0.128   35.03    8      104.7      757.0
    8   2   1   1 14.526  29.053   0.14    28.97   16      133.1     2024.7
    9   1   1   2 15.297  30.594   0.147   25.93    8       93.5      447.4
   10   2   2   0 16.526  33.052   0.159   21.95    4      180.2      702.7
   11   2   0   2 17.44   34.881   0.168   19.52    8      198.6     1518.5
   12   2   2   1 17.781  35.562   0.171   18.71    8       48.8       87.9
   13   2   1   2 18.429  36.859   0.177   17.3    16      151.5     1566.1
   14   3   1   0 18.544  37.087   0.178   17.06    8      203.9     1400.0
   15   0   0   3 19.469  38.938   0.186   15.32    2      143.4      155.4
   16   3   1   1 19.687  39.373   0.188   14.95   16       19.4       22.3
   17   2   2   2 21.159  42.317   0.202   12.73    8       11.3        3.2
   18   1   1   3 21.246  42.492   0.203   12.61    8       29.9       22.3
   19   3   2   0 21.26   42.521   0.203   12.59    8       54.7       74.2
   20   3   2   1 22.287  44.574   0.212   11.33   16       12.8        7.3
   21   3   1   2 22.828  45.655   0.217   10.73   16       19.0       15.3
   22   2   0   3 22.91   45.82    0.218   10.64    8       69.5      101.3
   23   2   1   3 23.707  47.415   0.225    9.85   16       72.1      202.1
   24   4   0   0 23.721  47.441   0.225    9.84    4       58.5       33.2
   25   4   1   0 24.498  48.995   0.232    9.14    8      169.1      515.5
   26   4   0   1 24.666  49.333   0.233    9.0     8       26.1       12.1
   27   3   2   2 25.168  50.336   0.238    8.6    16       39.4       52.6
   28   3   3   0 25.257  50.514   0.239    8.53    4       55.5       25.9
   29   4   1   1 25.422  50.844   0.24     8.4    16      119.8      475.8
   30   2   2   3 25.988  51.975   0.245    7.99    8       82.0      106.1
   31   3   3   1 26.162  52.323   0.246    7.87    8      102.4      162.8
   32   0   0   4 26.385  52.77    0.248    7.72    2      367.4      513.9
   33   4   2   0 26.728  53.456   0.251    7.5     8      181.8      488.7
   34   4   0   2 27.359  54.718   0.257    7.11    8      100.7      142.2
   35   3   1   3 27.431  54.862   0.258    7.07   16       95.1      252.0
   36   4   2   1 27.599  55.197   0.259    6.97   16       13.5        5.0
   37   1   1   4 27.814  55.628   0.261    6.85    8       76.7       79.5
   38   4   1   2 28.063  56.125   0.263    6.71   16       64.2      109.0
   39   3   3   2 28.755  57.51    0.269    6.35    8      156.1      305.4
   40   2   0   4 29.196  58.392   0.273    6.14    8       50.3       30.7
   41   3   2   3 29.506  59.012   0.275    5.99   16       71.5      120.8
   42   2   1   4 29.871  59.743   0.278    5.83   16       39.2       35.4
   43   4   2   2 30.109  60.219   0.28     5.73   16      114.1      294.4
   44   4   3   0 30.188  60.377   0.281    5.69    8       33.6       12.7
   45   5   1   0 30.851  61.701   0.287    5.42    8      127.3      173.4
   46   4   3   1 30.996  61.991   0.288    5.37   16       34.9       25.9
   47   4   0   3 31.494  62.988   0.292    5.18    8       52.6       28.3
   48   5   1   1 31.648  63.296   0.293    5.13   16       63.6       82.0
   49   2   2   4 31.846  63.692   0.295    5.06    8      152.5      232.2
   50   4   1   3 32.141  64.282   0.297    4.96   16       85.6      143.4
   51   3   3   3 32.781  65.561   0.303    4.75    8      102.1       97.8
   52   5   2   0 32.791  65.583   0.303    4.75    8        2.2        0.0
   53   3   1   4 33.125  66.25    0.305    4.65   16      148.9      406.6
   54   4   3   2 33.35   66.7     0.307    4.58   16       30.3       16.6
   55   5   2   1 33.563  67.127   0.309    4.52   16       70.8       89.4
   56   0   0   5 33.745  67.49    0.311    4.47    2       64.7        9.2
   57   5   1   2 33.978  67.956   0.312    4.4    16      143.6      358.4
   58   4   2   3 34.042  68.083   0.313    4.39   16        6.9        0.8
   59   4   4   0 34.674  69.348   0.318    4.22    4      197.0      161.7
   60   1   1   5 34.989  69.977   0.321    4.15    8        1.2        0.0
   61   3   2   4 34.999  69.998   0.321    4.15   16       22.0        7.9
   62   4   4   1 35.426  70.852   0.324    4.05    8       38.1       11.6
   63   5   2   2 35.831  71.661   0.327    3.96   16       62.8       61.5
   64   5   3   0 35.903  71.806   0.328    3.94    8      161.1      201.7
   65   2   0   5 36.213  72.426   0.33     3.87    8       94.5       68.2
   66   5   3   1 36.644  73.288   0.334    3.79   16      103.0      158.5
   67   2   1   5 36.819  73.638   0.335    3.75   16      115.5      197.6
   68   4   0   4 36.829  73.658   0.335    3.75    8       85.6       54.2
   69   4   3   3 37.105  74.21    0.337    3.7    16       28.0       11.4
   70   6   0   0 37.115  74.23    0.337    3.7     4      170.4      105.9
   71   4   1   4 37.431  74.862   0.34     3.64   16      127.3      232.8
   72   4   4   2 37.644  75.288   0.341    3.6     8      115.3       94.6
   73   5   1   3 37.705  75.411   0.342    3.59   16        9.4        1.3
   74   6   1   0 37.715  75.43    0.342    3.59    8      109.9       85.6
   75   6   0   1 37.847  75.694   0.343    3.57    8       83.9       49.5
   76   3   3   4 38.03   76.059   0.344    3.54    8       22.9        3.7
   77   6   1   1 38.444  76.887   0.348    3.47   16       30.1       12.5
   78   2   2   5 38.615  77.231   0.349    3.45    8       10.5        0.8
   79   5   3   2 38.836  77.673   0.351    3.41   16       24.8        8.3
   80   4   2   4 39.218  78.436   0.353    3.36   16      142.3      268.3
   81   5   2   3 39.488  78.977   0.355    3.32   16       15.9        3.3
   82   6   2   0 39.498  78.996   0.356    3.32    8       79.6       41.5
   83   3   1   5 39.799  79.597   0.358    3.28   16       29.7       11.4
   84   6   0   2 40.018  80.035   0.359    3.25    8       33.4        7.1
   85   5   4   0 40.087  80.175   0.36     3.24    8       30.1        5.8
   86   6   2   1 40.217  80.434   0.361    3.23   16       57.4       42.0
   87   6   1   2 40.605  81.21    0.364    3.18   16       25.3        8.0
   88   5   4   1 40.804  81.607   0.365    3.16   16       49.8       30.9
   89   4   4   3 41.25   82.5     0.369    3.11    8       51.6       16.3
   90   3   2   5 41.557  83.115   0.371    3.08   16       51.1       31.7
   91   0   0   6 41.805  83.61    0.373    3.06    2       24.4        0.9
   92   4   3   4 42.15   84.3     0.375    3.02   16       30.1       10.8
   93   6   2   2 42.357  84.714   0.377    3.01   16      161.7      309.9
   94   5   3   3 42.416  84.833   0.377    3.0    16       73.6       64.2
   95   6   3   0 42.426  84.852   0.377    3.0     8       67.0       26.6
   96   5   1   4 42.732  85.464   0.379    2.98   16       81.0       77.1
   97   5   4   2 42.938  85.877   0.381    2.96   16       78.0       71.0
   98   1   1   6 42.969  85.938   0.381    2.96    8      103.7       62.7
   99   6   3   1 43.135  86.271   0.382    2.94   16       34.2       13.6
  100   4   0   5 43.303  86.606   0.383    2.93    8       51.9       15.6
  101   6   0   3 43.578  87.156   0.385    2.91    8      105.7       64.2
  102   4   1   5 43.883  87.767   0.387    2.89   16      111.5      141.9
  103   2   0   6 44.129  88.259   0.389    2.88    8      144.3      118.1
  104   6   1   3 44.158  88.316   0.389    2.87   16       74.2       62.5
  105   3   3   5 44.463  88.926   0.392    2.86    8       87.8       43.5
  106   5   2   4 44.473  88.945   0.392    2.86   16       25.9        7.6
  107   2   1   6 44.709  89.418   0.393    2.84   16       53.7       32.3


  X-ray diffraction powder data (I)...X-Ray wave length =  1.78892 (angs.):

  No   H   K   L   Theta 2*Theta    d           I int   I int.n.  I p.h.n.   H(Si)
                    ( degree )   (angstrem)     *100                         *100

    1   0   0   1   6.379  12.757  8.051       1032.7     51.0     51.6     5.6
    2   1   1   0   8.177  16.353  6.28901      400.3     19.8     20.0     5.6
    3   2   0   0  11.604  23.207  4.447        248.1     12.3     12.3     5.6
    4   0   0   2  12.838  25.676  4.0255       311.0     15.4     15.4     5.6
    5   2   0   1  13.284  26.568  3.89266      757.0     37.4     37.5     5.6
    6   2   1   1  14.526  29.053  3.56606     2024.7    100.0    100.0     5.6
    7   1   1   2  15.297  30.594  3.39043      447.4     22.1     22.1     5.6
    8   2   2   0  16.526  33.052  3.1445       702.7     34.7     34.6     5.6
    9   2   0   2  17.44   34.881  2.98438     1518.5     75.0     74.6     5.7
   10   2   2   1  17.781  35.562  2.92902       87.9      4.3      4.3     5.7
   11   2   1   2  18.429  36.859  2.82934     1566.1     77.4     76.8     5.7
   12   3   1   0  18.544  37.087  2.81253     1400.0     69.1     68.7     5.7
   13   0   0   3  19.469  38.938  2.68367      155.4      7.7      7.6     5.7
   14   3   1   1  19.687  39.373  2.65518       22.3      1.1      1.1     5.7
   15   3   2   0  21.26   42.521  2.46675       96.5      4.8      4.7     5.7
   16   2   0   3  22.91   45.82   2.29769      101.3      5.0      4.9     5.7
   17   2   1   3  23.707  47.415  2.22465      235.3     11.6     11.4     5.7
   18   4   1   0  24.498  48.995  2.15711      515.5     25.5     25.0     5.7
   19   3   2   2  25.168  50.336  2.10327       52.6      2.6      2.5     5.8
   20   3   3   0  25.257  50.514  2.09634       25.9      1.3      1.3     5.8
   21   4   1   1  25.422  50.844  2.08362      475.8     23.5     23.0     5.8
   22   2   2   3  25.988  51.975  2.04131      106.1      5.2      5.1     5.8
   23   3   3   1  26.162  52.323  2.02869      162.8      8.0      7.9     5.8
   24   0   0   4  26.385  52.77   2.01275      513.9     25.4     24.8     5.8
   25   4   2   0  26.728  53.456  1.98876      488.7     24.1     23.5     5.8
   26   4   0   2  27.359  54.718  1.94633      142.2      7.0      6.8     5.8
   27   3   1   3  27.431  54.862  1.9416       252.0     12.4     12.1     5.8
   28   1   1   4  27.814  55.628  1.91697       79.5      3.9      3.8     5.8
   29   4   1   2  28.063  56.125  1.90133      109.0      5.4      5.2     5.8
   30   3   3   2  28.755  57.51   1.85932      305.4     15.1     14.6     5.8
   31   2   0   4  29.196  58.392  1.83368       30.7      1.5      1.5     5.8
   32   3   2   3  29.506  59.012  1.81611      120.8      6.0      5.8     5.8
   33   2   1   4  29.871  59.743  1.7959        35.4      1.7      1.7     5.8
   34   4   2   2  30.109  60.219  1.78303      294.4     14.5     14.0     5.8
   35   5   1   0  30.851  61.701  1.74426      173.4      8.6      8.3     5.8
   36   4   3   1  30.996  61.991  1.73691       25.9      1.3      1.2     5.8
   37   4   0   3  31.494  62.988  1.71218       28.3      1.4      1.3     5.9
   38   5   1   1  31.648  63.296  1.70471       82.0      4.0      3.9     5.9
   39   2   2   4  31.846  63.692  1.69522      232.2     11.5     11.0     5.9
   40   4   1   3  32.141  64.282  1.68131      143.4      7.1      6.8     5.9
   41   3   3   3  32.781  65.561  1.65205       97.8      4.8      4.6     5.9
   42   3   1   4  33.125  66.25   1.6368       406.6     20.1     19.2     5.9
   43   5   2   1  33.563  67.127  1.61788       89.4      4.4      4.2     5.9
   44   5   1   2  33.978  67.956  1.60047      358.4     17.7     16.9     5.9
   45   4   4   0  34.674  69.348  1.57225      161.7      8.0      7.6     5.9
   46   5   2   2  35.831  71.661  1.52797       61.5      3.0      2.9     5.9
   47   5   3   0  35.903  71.806  1.52531      201.7     10.0      9.4     5.9
   48   2   0   5  36.213  72.426  1.51401       68.2      3.4      3.2     5.9
   49   5   3   1  36.644  73.288  1.49865      158.5      7.8      7.4     6.0
   50   2   1   5  36.819  73.638  1.49254      251.8     12.4     11.7     6.0
   51   6   0   0  37.115  74.23   1.48233      117.4      5.8      5.5     6.0
   52   4   1   4  37.431  74.862  1.47162      232.8     11.5     10.8     6.0
   53   4   4   2  37.644  75.288  1.46451       94.6      4.7      4.4     6.0
   54   6   1   0  37.715  75.43   1.46216       86.8      4.3      4.0     6.0
   55   6   0   1  37.847  75.694  1.45783       49.5      2.4      2.3     6.0
   56   4   2   4  39.218  78.436  1.41467      268.3     13.2     12.4     6.0
   57   6   2   0  39.498  78.996  1.40626       44.8      2.2      2.1     6.0
   58   6   2   1  40.217  80.434  1.38529       42.0      2.1      1.9     6.0
   59   5   4   1  40.804  81.607  1.36879       30.9      1.5      1.4     6.1
   60   3   2   5  41.557  83.115  1.34836       31.7      1.6      1.4     6.1
   61   6   2   2  42.357  84.714  1.32759      309.9     15.3     14.1     6.1
   62   5   3   3  42.416  84.833  1.32608       90.7      4.5      4.1     6.1
   63   5   1   4  42.732  85.464  1.31816       77.1      3.8      3.5     6.1
   64   5   4   2  42.938  85.877  1.31304      133.8      6.6      6.1     6.1
   65   6   0   3  43.578  87.156  1.29755       64.2      3.2      2.9     6.2
   66   4   1   5  43.883  87.767  1.29035      141.9      7.0      6.4     6.2
   67   2   0   6  44.129  88.259  1.28463      180.6      8.9      8.1     6.2
   68   3   3   5  44.463  88.926  1.27698       51.0      2.5      2.3     6.2
   69   2   1   6  44.709  89.418  1.27143       32.3      1.6      1.5     6.2

Reference:
Chichagov A.V. et al.
Information-Calculating System on Crystal Structure Data of Minerals
(MINCRYST)
- Kristallographiya, v.35, n.3, 1990, p.610-616 (in Russian)