Epididymite
Robinson P D, Fang J H
American Mineralogist 55 (1970) 1541-1549
The crystal structure of epididymite
Locality: Narsarsuk, Greenland
_database_code_amcsd 0000212
12.74 13.63 7.33 90 90 90 Pnma
atom     x     y     z Biso
Na   .1030 .0698 .5014  2.2
Be   .4951 .0002 .3433   .5
Si1  .1589 .1380 .0155   .3
Si2  .3429 .1366 .7314   .3
Si3  .3317 .1378 .3054   .4
O1   .1207   .25 .0005  1.1
O2   .2174 .1234 .2098   .9
O3   .0603 .0664 .0067   .7
O4   .2373 .1142 .8498  1.0
O5   .4345 .0645 .7907   .8
O6   .3784   .25 .7656   .8
O7   .3048 .1239 .5204   .7
O8   .3709   .25 .2674   .8
O9   .4151 .0629 .2256   .9
OH10 .0577   .25 .4890  2.3