Aragonite
Dal Negro A, Ungaretti L
American Mineralogist 56 (1971) 768-772
Refinement of the crystal structure of aragonite
Locality: Vertaizon-Alvernia, France
_database_code_amcsd 0000236
4.9616 7.9705 5.7394 90 90 90 Pmcn
atom     x     y     z  B(1,1)  B(2,2)  B(3,3)  B(1,2)  B(1,3)   B(2,3)
Ca     .25 .4151 .2403 .006640 .002837 .004770       0       0 -.000153
C      .25 .7627 .0850 .008507 .003545 .005068       0       0  .000594
O1     .25 .9231 .0952 .014831 .003861 .009870       0       0  .001077
O2   .4729 .6801 .0870 .008513 .005523 .010188 .001234 .000688 -.000260