AM_Kentbrooksite_6 Formula: Na16.002 Ca2.1 Ce.579 La.342 Nd.228 Mn3.6 Fe.15 Zr3.3 Hf.051 Nb.4 Sr.45 K.099 Ti.099 Si25.6 O77.11 F.5 Cl.3 H3.816 Name: Kentbrooksite Unit cell: 14.182 14.182 30.37 90.0 90.0 120.0 , V=5289.94 Space group: R113 (1)

Rastsvetaeva R K , Khomyakov A P , Nekrasov Y V , Crystallography Reports , 44 (1999) p.765-769, Crystal structure of a novel analog of eudialyte with R3 symmetry, Locality: Alluaiv mountain, Lovozero massif, Kola Peninsula, Russia