AM_Tadzhikite-(Ce)_1 Formula: Ca4 Ce2 (Ti.4 Fe.34 Al.26) B4 Si4 O24 Name: Tadzhikite-(Ce) Unit cell: 18.946 4.714 10.302 90.0 111.58 90.0 , V=855.59 Space group: P12/A1 (13)

Chernitsova N M , Pudovkina Z V , Pyatenko Y A , Soviet Physics Doklady , 27 (1982) p.367-368, About the crystal structure of tadzhikite {(Ca,Tr)4(Y,Tr)2(Ti,Fe,Al)(O,OH)2, [Si4B4O22]}