AM_Rinkite Formula: (Ti.515 Nb.327 Al.089 Zr.069) Na2.178 Ca3.368 K.064 Ce1.048 Fe.212 Si4 O15 F3 Name: Rinkite Unit cell: 7.437 5.664 18.843 90.0 101.38 90.0 , V=778.12 Space group: P121/C1 (14)

Galli E , Alberti A , Acta Crystallographica, Section B , 27 (1971) p.1277-1284, The crystal structure of rinkite, Locality: Kangerdluarsuk, Greenland