Natrojarosite 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: N _database_code_amcsd 0004574 7.3101 7.3101 16.7658 90 90 120 R-3m atom x y z occ Biso Na 0 0 0 .69 2.5 K 0 0 0 .29 2.5 Fe .166667 -.166667 -.16667 2.02 S 0 0 .3112 .7 O1 0 0 .3972 1.9 O2 .2252 -.2252 -.0528 1.1 O3 .1267 -.1267 .1315 .2 H .162 -.162 .170 2