AM_Nepheline_15
Formula: K.675 Na3 Al4 Si4 O16
Name: Nepheline
Unit cell: 9.9853 9.9853 8.3689 90.0 90.0 120.0 , V=722.64
Space group: P63 (173)

Hassan I , Antao S M , Hersi A A M , The Canadian Mineralogist , 41 (2003) p.759-783, Single-crystal XRD, TEM, and thermal studies of the satellite, reflection in nepheline