Jarosite Basciano L C, Peterson R C American Mineralogist 92 (2007) 1464-1473 Jarosite - hydronium jarosite solid solution series with full iron occupancy: Mineralogy and crystal chemistry Locality: synthetic Sample: F _database_code_amcsd 0004434 7.32070 7.32070 17.1517 90 90 120 R-3m atom x y z occ Biso K 0 0 0 .60 1.1 H3O 0 0 0 .40 1.1 Fe 1/6 -1/6 -1/6 2.3 S 0 0 .3096 1.9 O1 0 0 .3953 4.6 O2 .2213 -.2213 -.0556 2.7 O3 .1270 -.1270 .1360 2.0 H .177 -.177 .111 2