AM_Jarosite_9
Formula: (K.6 Na.4) Fe3 S2 O14 H6
Name: Jarosite
Unit cell: 7.3052 7.3052 16.9706 90.0 90.0 120.0 , V=784.32
Space group: R-3M (166)

Basciano L C , Peterson R C , American Mineralogist , 93 (2008) p.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: L