Formula: Zr6 Ca12 Si51.2 O151.54 Ti.52 Fe2.19 Mn.81 Na34.53 Cl2.68 F.68 K1.452 Ce.102 Sr.735 H11.56
Name: Labyrinthite
Unit cell: 14.239 14.239 60.733 90.0 90.0 120.0 , V=10663.86
Space group: R113 (1)

Rastsvetaeva R K , Khomyakov A P , Crystallography Reports , 46 (2001) p.752-757, Modular structure of a sodium-rich analogue of eudialyte with, the doubled c-parameter and the R3 symmetry, Locality: Eveslogchorr mountain