AM_Coquimbite Formula: Al.9 Fe3.1 S6 O42 H36 Name: Coquimbite Unit cell: 10.922 10.922 17.084 90.0 90.0 120.0 , V=1764.92 Space group: P-31C (163)

Fang J H , Robinson P D , American Mineralogist , 55 (1970) p.1534-1540, Crystal structures and mineral chemistry of hydrated ferric sulfates. I. The, crystal structure of coquimbite