AM_Stratlingite Formula: Al2.11 Ca2 Si1.11 O16.25 H18 Name: Stratlingite Unit cell: 5.745 5.745 37.77 90.0 90.0 120.0 , V=1079.59 Space group: R-3M (166)

Rinaldi R , Sacerdoti M , Passaglia E , European Journal of Mineralogy , 2 (1990) p.841-849, Stratlingite: crystal structure, chemistry, and a reexamination, of its polytype vertumnite