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: M _database_code_amcsd 0004573 7.3079 7.3079 16.9028 90 90 120 R-3m atom x y z occ Biso K 0 0 0 .52 1.9 Na 0 0 0 .46 1.9 Fe .166667 -.166667 -.16667 2.14 S 0 0 .3102 1.2 O1 0 0 .3945 2.0 O2 .2246 -.2246 -.0540 1.9 O3 .1271 -.1271 .1325 .4 H .157 -.157 .173 2