Emeleusite
Johnsen O, Nielsen K, Sotofte I
Zeitschrift fur Kristallographie 147 (1978) 297-306
The crystal structure of emeleusite,
a novel example of sechser-doppelkette
Locality: Igdlutalik Island, Julianchab District, Greenland
_database_code_amcsd 0010800
10.072 17.337 14.004 90 90 90 Acam
atom      x     y     z  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Na1   .2516 .4145    .5         .017   .025   .066  -.002      0      0
Na2     .25 .2243   .25         .042   .012   .028      0  -.021      0
Li        0     0 .2518  .005
Fe3+    .25 .4137   .25         .012   .008   .009      0      0      0
Si1   .4867 .1322 .6137 .0039
Si2   .1923 .0716 .6140 .0037
Si3   .4579 .3107 .6140  .005
O1   -.0032 .2230 .1385  .013
O2    .4123 .4203 .1702  .009
O3    .3340 .1116 .3606  .014
O4    .3371 .4944 .3306  .009
O5    .0861 .1379 .3570  .009
O6    .1757 .3332 .1664  .011
O7    .5136 .1209    .5  .015
O8    .1885 .0535    .5  .015
O9    .4319 .3205    .5  .015