Sideronatrite
Scordari F, Ventruti G
American Mineralogist 94 (2009) 1679-1686
Sideronatrite, Na2Fe(SO4)2(OH)*3H2O: Crystal structure of
the orthorhombic polytype and OD character analysis
Locality: Sierra Gorda, Chile
_database_code_amcsd 0020665
7.265 20.522 7.120 90 90 90 P2_12_12_1
atom     x     y     z  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Na1  .8294 .1224  .120 .0267
Na2  .8294 .1224  .627 .0267
Fe     .25     0  .125 .0100  .0086  .0163  .0050  .0009  .0024  .0014
S1   .2251 .1317 .8781 .0139  .0070  .0252  .0096  .0001  -.006   .003
S2   .8763 .0056 .3781 .0119  .0072  .0204  .0083 -.0001  -.001   .000
O1   .0291 .1452 .8781  .024
O2   .3299 .1927 .8781  .025
O3   .2795 .0944 .0463 .0195
O4   .2795 .0944 .7053 .0195
O5   .9900 .0184 .5497 .0164
O6   .9900 .0184 .2019 .0164
O7   .7222 .0511 .3781  .017
O8    .687 .0625 .8781  .023
OH   .3430 .0241 .3781  .015
Wat1 .5984 .1984 .5835  .047
Wat2 .0320 .1661 .3781  .035
Wat3 .5984 .1984 .1676  .047