AM_Nepheline_12 Formula: K.955 Na3 Al3.88 Si4.08 Fe.04 O16 Name: Nepheline Unit cell: 9.9995 9.9995 8.384 90.0 90.0 120.0 , V=726.00 Space group: P63 (173)

Tait K T , Sokolova E V , Hawthorne F C , Khomyakov A P , The Canadian Mineralogist , 41 (2003) p.61-70, The crystal chemistry of nepheline, Note: sample 1, Locality: Khibina-Lovozero complex, Kola peninsula, Russia