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 Note: T = -160 C Locality: synthetic _database_code_amcsd 0020998 6.8037 7.6178 7.4371 90 117.580 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 .00292 .00272 .00320 .00283 -.00010 .00127 .00010 S 0 .15763 .25 .00284 .00228 .00297 .00321 0 .00121 0 O1 .17257 .04772 .40473 .00604 .0039 .0070 .0067 .00183 .00202 .00315 O2 .10507 .27108 .15552 .00506 .0051 .0047 .0067 .00031 .00378 .00181 O3 0 .63055 .25 .00491 .0042 .0056 .0050 0 .0022 0 H .109 .695 .294 .020