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: J _database_code_amcsd 0004438 7.3063 7.3063 17.0341 90 90 120 R-3m atom x y z occ Biso K 0 0 0 .87 2.4 H3O 0 0 0 .13 2.4 Fe 1/6 -1/6 -1/6 .93 2.7 S 0 0 .3111 1.7 O1 0 0 .3966 3.5 O2 .2227 -.2227 -.0568 2.5 O3 .1278 -.1278 .1360 2.1 H .168 -.168 .102 2