AM_Nepheline_13
Formula: K.8 Ca.04 Na3 Al3.79 Si4.21 O16
Name: Nepheline
Unit cell: 9.985 9.985 8.372 90.0 90.0 120.0 , V=722.86
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 2, Locality: Bancroft, Ontario, Canada