Hydroniumjarosite Basciano L C, Peterson R C American Mineralogist 93 (2008) 853-862 Crystal chemistry of the natrojarosite-jarosite and natrojarosite-hydronium jarosite solid-solution: A synthetic study with full Fe site occupancy Locality: synthetic Sample: T _database_code_amcsd 0004580 7.3420 7.3420 16.8574 90 90 120 R-3m atom x y z occ Biso Na 0 0 0 .35 8.0 H3O 0 0 0 .65 8.0 Fe .166667 -.166667 -.16667 1.84 S 0 0 .3089 1.81 O1 0 0 .3979 .5 O2 .2229 -.2229 -.0538 2.6 O3 .1257 -.1257 .1326 .5 H .171 -.171 .163 2