Nesquehonite Giester G, Lengauer C L, Rieck B Mineralogy and Petrology 70 (2000) 153-163 The crystal structure of nesquehonite, MgCO3*3H2O, from Lavrion, Greece Locality: Sounion, Lavrion mining district, Greece _database_code_amcsd 0014644 7.701 5.365 12.126 90 90.41 90 P2_1/n atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Mg .25174 .08904 .14970 .01641 .0232 .0121 .0140 -.00004 .0004 -.00021 C .2440 .13800 .40863 .0169 .0215 .0141 .0152 .0009 .0004 -.0006 O1 .52293 .0924 .15188 .0280 .0245 .0289 .0308 -.007 .0046 .0054 O2 .98342 .0948 .14742 .0335 .0233 .0535 .0237 .0056 -.0021 .0001 O3 .2598 .41104 .06205 .0263 .0476 .0125 .0188 .0012 .0005 -.0007 O4 .24401 .20669 .30691 .0213 .0351 .0148 .0139 -.0008 .0012 -.0005 O5 .25136 .81644 .02004 .0205 .0327 .0146 .0141 .0011 .0011 .0020 O6 .2803 .3498 .83840 .0382 .0508 .0393 .0246 .0003 .0024 -.0020 H1 .582 .153 .100 .043 H2 .575 -.033 .158 .067 H3 .920 .155 .093 .047 H4 .925 .114 .206 .039 H5 .177 .313 .829 .040 H6 .273 .378 .904 .063