AM_Aphthitalite Formula: K3 Na S2 O8 Name: Aphthitalite Unit cell: 5.6801 5.6801 7.309 90.0 90.0 120.0 , V=204.22 Space group: P-3M1 (164)

Okada K , Ossaka J , Acta Crystallographica, Section B , 36 (1980) p.919-921, Structures of potassium sodium sulphate and tripotassium sodium disulphate