Hydroniumjarosite 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: C _database_code_amcsd 0004443 7.3428 7.3428 17.0316 90 90 120 R-3m atom x y z occ Biso K 0 0 0 .20 2.8 H3O 0 0 0 .81 2.8 Fe 1/6 -1/6 -1/6 3.0 S 0 0 .3109 2.2 O1 0 0 .3962 6.3 O2 .2264 -.2264 -.0589 2.4 O3 .1309 -.1309 .1334 1.9 H .155 -.155 .092 2