AM_Yavapaiite_1 Formula: Fe K S2 O8 Name: Yavapaiite Unit cell: 8.15 5.162 7.855 90.0 94.87 90.0 , V=329.27 Space group: C12/M1 (12)

Anthony J W , McLean W J , Laughon R B , American Mineralogist , 57 (1972) p.1546-1549, The crystal structure of yavapaiite: A discussion