Hanksite
Araki T, Zoltai T
American Mineralogist 58 (1973) 799-801
The crystal structure of hanksite
_database_code_amcsd 0000383
10.465 10.465 21.191 90 90 120 P6_3/m
atom      x      y      z  Biso
K         0      0      0 1.779
Na1      .5      0      0 1.576
Na2     2/3    1/3 .37571 1.819
Na3       0      0 .32652 1.656
Na4  .34676 .14670    .25 2.114
Na5  .17876 .36113 .42571 1.889
Na6  .52262 .05337 .66098 1.760
C       2/3    1/3 .56951 1.041
S1   .20851 .35679    .25 1.175
S2   .33869 .16831 .40910 1.007
O1   .59560 .40349 .56988 1.374
O2   .35590 .36881    .25 1.936
O3   .09251 .20129    .25 1.877
O4   .19799 .43019 .30711 2.457
O5   .38977 .11345 .35672 2.017
O6   .19609 .15537 .39408 1.959
O7   .44786 .32368 .41970 1.950
O8   .32292 .08012 .46573 1.871
Cl      2/3    1/3    .25 2.435