Celestine Hawthorne F C, Ferguson R B The Canadian Mineralogist 13 (1975) 181-187 Anhydrous sulphates. I: Refinement of the crystal structure of celestite with an appendix on the structure of thenardite _database_code_amcsd 0005112 8.360 5.352 6.858 90 90 90 Pnma atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Sr .1841 .25 .1582 .00269 .01022 .00334 0 .00010 0 S .4379 .75 .1849 .00264 .00444 .00182 0 .00009 0 O1 .5970 .75 .0937 .00325 .01042 .00814 0 .00320 0 O2 .3101 .75 .0406 .00496 .01082 .00612 0 -.00191 0 O3 .4219 .9745 .3101 .00397 .00548 .00668 -.00107 .00077 -.00082