AM_Pirssonite Formula: Ca Na2 C2 O8 H4 Name: Pirssonite Unit cell: 11.34 20.096 6.034 90.0 90.0 90.0 , V=1375.08 Space group: FDD2 (43)

Dickens B , Brown W E , Inorganic Chemistry , 8 (1969) p.2093-2103, The crystal structures of CaNa2(CO3)2*5(H2O), synthetic gaylussite,, and CaNa2(CO3)2*2(H2O), synthetic pirssonite, Locality: synthetic