Jarosite 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: L _database_code_amcsd 0004572 7.3052 7.3052 16.9706 90 90 120 R-3m atom x y z occ Biso K 0 0 0 .60 1.0 Na 0 0 0 .40 1.0 Fe .166667 -.166667 -.16667 2.6 S 0 0 .3096 1.5 O1 0 0 .3952 2.4 O2 .2236 -.2236 -.0541 2.2 O3 .1275 -.1275 .1333 .3 H .161 -.161 .172 2