Dwornikite Talla D, Balla M, Aicher C, Lengauer C L, Wildner M American Mineralogist 105 (2020) 1472-1489 Structural and spectroscopic study of the kieserite-dwornikite solid-solution series, (Mg,Ni)SO4*H2O, at ambient and low temperatures, with cosmochemical implications for icy moons and Mars Locality: synthetic _database_code_amcsd 0020995 6.8290 7.6047 7.4626 90 117.749 90 C2/c atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ni 0 .5 0 .00639 .00572 .00692 .00624 -.00025 .00253 .00018 S 0 .15664 .25 .00579 .00441 .00591 .00668 0 .00229 0 O1 .17289 .04649 .40331 .01205 .0071 .0142 .0136 .0037 .0038 .0069 O2 .10307 .26994 .15466 .01011 .0095 .0095 .0135 .00135 .0071 .0043 O3 0 .63135 .25 .00883 .0079 .0103 .0082 0 .0037 0 H .108 .694 .296 .020