Burkeite Giuseppetti G, Mazzi F, Tadini C Neues Jahrbuch fur Mineralogie, Monatshefte 1988 (1988) 203-221 The crystal structure of synthetic burkeite Sample B Note sign of y-coordinate for O3 and O5 altered to reproduce reported bond lengths Locality: synthetic _database_code_amcsd 0014824 5.177 9.224 7.066 90 90 90 *Pmnm .25 0 .25 atom x y z occ Biso Na1 .25 .7510 .0054 2.38 Na2 .25 .4257 .25 5.70 Na3 .75 .8788 .25 2.29 C .75 .5590 .25 .55 1.65 S1 .75 .5590 .25 .45 1.65 S2 .2939 .0908 .25 .5 1.25 O1 .75 .4219 .25 .83 4.3 O2 .5355 .6427 .25 .86 3.0 O3 .75 -.4700 .0784 .17 5.3 O4 .9281 .5783 .0941 .14 5.2 O5 .1896 -.1632 .0813 .5 2.5 O6 .2156 -.0641 .25 .5 1.6 O7 .5757 .1061 .25 .5 2.4