AM_Georgbarsanovite Formula: Na12 Ca6.333 Zr3.27 Fe2.55 Nb.8 Si25.2 Mn1.188 Ti.06 K.249 Sr.717 Ba.033 Y.132 Ce.468 O81.18 Cl1.6 H7.38 Name: Georgbarsanovite Unit cell: 14.262 14.262 29.949 90.0 90.0 120.0 , V=5275.62 Space group: R3M (160)

Ekimenkova I A , Rastsvetaeva R K , Khomyakov A P , Doklady Chemistry , 370 (2000) p.17-20, Crystal structure of the Fe,Cl-analogue of kentbrooksite, Locality: Petrelius peak, Khibiny massif, Kola Peninsula, Russia