AM_Shomiokite-(Y)_1 Formula: Na3 Y C3 O12 H6 Name: Shomiokite-(Y) Unit cell: 17.358 10.034 5.946 90.0 90.0 90.0 , V=1035.62 Space group: PNA21 (33)

Rastsvetaeva R K , Pushcharovsky D Y , Pekov I V , European Journal of Mineralogy , 8 (1996) p.1249-1255, Crystal structure of shomiokite-(Y), Na3Y(CO3)3*3H2O