Delindeite
Ferraris G, Ivaldi G, Pushcharovsky D Y, Zubkova N V, Pekov I V
The Canadian Mineralogist 39 (2001) 1307-1316
The crystal structure of delindeite, Ba2{(Na,K,_)3(Ti,Fe)[Ti2(O,OH)4Si4O14](H2O,OH)2},
a member of the mero-plesiotype bafertisite series
_database_code_amcsd 0005741
5.327 6.856 21.51 90 93.80 90 A2/m
atom        x      y      z occ Uiso
Ba      .2539      0 .27141 .96 .017
Ba'      .254      0   .221 .02 .015
Ba"      .261      0   .320 .02 .015
Ti(1)       0      0      0     .015
Ti(2)   .2731    1/2  .3453     .057
Si      .7891 -.2298  .3788     .020
Na(1)   -.055      0   .503 .24 .029
Na(2)     1/2  -.246    1/2 .56 .030
O(1)     .827  -.299  .4510     .029
O(2)     .097      0  .6252 .54 .022
O(2')    .326      0   .616 .46 .032
O(3)     .527  -.297  .3461     .061
O(4)     .012  -.302  .3399     .072
O(5)    -.272      0  .0596     .028
O(6)     .260   .059  .7577 .50 .022
Wat(7)   .287      0   .440 .58 .048
Wat(7')  .252      0   .476 .38 .032