AM_Seidozerite_2 Formula: Zr1.4 Mn.56 Fe.42 Ti.78 Ca1.28 Na3.56 Si4 O16 F2 Name: Seidozerite Unit cell: 5.54 7.1 18.36 90.0 102.4 90.0 , V=705.33 Space group: P12/C1 (13)

Skszat S M , Simonov V I , Soviet Physics Crystallography , 10 (1966) p.505-508, The structure of calcium seidozerite, Locality: Baikal area, Russia