AM_Gotzenite Formula: Ca4.91 Ce.25 Mn.11 Zr.09 Y.06 Na1.59 (Ti.92 Fe.05 Nb.03) Si4 O15 F3 Name: Gotzenite Unit cell: 9.6192 5.7249 7.3307 89.921 101.132 100.639 , V=389.04 Space group: P-1 (2)

Christiansen C C , Johnsen O , Makovicky E , The Canadian Mineralogist , 41 (2003) p.1203-1224, Crystal chemistry of the rosenbuschite group, Sample: WBC-13