AM_Sellaite_1 Formula: Mg F2 Name: Sellaite Unit cell: 4.6213 4.6213 3.0159 90.0 90.0 90.0 , V=64.41 Space group: P42/MNM (136)

Baur W H , Khan A A , Acta Crystallographica, Section B , 27 (1971) p.2133-2139, Rutile-type compounds. VI., SiO2, GeO2 and a comparison with other rutile-type structures