AM_Dawsonite_1 Formula: Na Al C O5 H2 Name: Dawsonite Unit cell: 6.762 10.428 5.593 90.0 90.0 90.0 , V=394.39 Space group: I2CM (46)

Chinh L T , Pobedimskaya E A , Khomyakov A P , Vestnik Moskovskogo Universiteta Geologiya , 42 (1987) p.74-77, Crystal structure of dawsonite, NaAl(CO3)(OH)2 and its first discovery in the, Khibiny alkaline massiv, Locality: Khibiny alkaline massif, Kola peninsula, Russia