American Mineralogist Crystal Structure Database

1 matching records for this search.

Heulandite-K
 
Yang P, Armbruster T
 
Journal of Solid State Chemistry 123 (1996) 140-149
Na, K, Rb and Cs exchange in heulandite single-crystals: X-ray structure
refinements at 100 K
Sample: T = 100 K
Locality: Nasik, India
17.636 17.9340 7.397 90 116.00 90 C2/m
atom       x      y      z occ Biso
K1     .0101 -.0967   .413 .26 12.3
K3     .7552     .5 -.0582 .90 2.29
K3'     .290      0   .048 .06  3.8
K4     .0290     .5  .1708 .44 3.47
K4'     .013     .5   .425 .10 3.95
K4"       .5      0     .5 .16 3.95
Al1   .17999 .16907  .1019 .23 1.01
Si1   .17999 .16907  .1019 .77 1.01
Al2   .28612 .08907  .4982 .42 1.12
Si2   .28612 .08907  .4982 .58 1.12
Al3   .29382 .30981  .2857  .2 1.03
Si3   .29382 .30981  .2857  .8 1.03
Al4   .06515 .29789  .4134 .15 1.04
Si4   .06515 .29789  .4134 .85 1.04
Al5        0 .21625      0 .15 1.16
Si5        0 .21625      0 .85 1.16
O1     .3052      0  .5475     2.60
O2     .2302  .1192  .6140     2.24
O3     .1858  .1555  .8916     2.15
O4     .2321  .1018  .2510     1.99
O5         0  .3272     .5     2.69
O6     .0814  .1624  .0624     1.76
O7     .3789  .2709  .4521     2.56
O8     .0086  .2695  .1843     2.30
O9     .2160  .2504  .1968     1.91
O10    .1211  .3687  .4101     2.04
Wat1    .089      0   .018 .18  4.2
Wat2   .3991 -.0930  .0461     6.29
Wat3  -.0811      0   .216 .73  6.5
Wat4       0      0      0 .16 1.70
Wat5   .0753      0   .183 .98  4.1
Wat6    .513      0   .318 .12   .9
Wat7    .021      0    .07 .14 1.60
Wat8    .104      0   .480 .18 9.70
Wat9       0   .459    .02 .12 9.67
Wat10   .862      0   .316 .17   .9
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