Szomolnokite Talla D, Wildner M American Mineralogist 104 (2019) 1732-1749 Investigation of the kieserite-szomolnokite solid-solution series, (Mg,Fe)SO4*H2O, with relevance to Mars: Crystal chemistry, FTIR, and Raman spectroscopy under ambient and martian temperature conditions Note: Sample Mg0.25Fe0.75 Locality: Synthetic _database_code_amcsd 0021011 7.0417 7.579 7.753 90 118.491 90 C2/c atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Mg 0 .5 0 .248 .00983 .00898 .01011 .00990 -.00023 .00410 .00077 Fe 0 .5 0 .752 .00983 .00898 .01011 .00990 -.00023 .00410 .00077 S 0 .15362 .25 .00867 .00702 .00837 .01003 0 .00360 0 O1 .17096 .04312 .39722 .01639 .0107 .0179 .0182 .0047 .0050 .0079 O2 .09476 .26783 .15504 .01461 .0145 .0132 .0190 .0014 .0103 .0053 O3 0 .64236 .25 .01368 .0130 .0149 .0132 0 .0062 0 H .102 .710 .290 .037