AM_Cancrinite
Formula: Na3.96 Si3 Al3 O15.78 N.87 H1.17
Name: Cancrinite
Unit cell: 12.6666 12.6666 5.1808 90.0 90.0 120.0 , V=719.86
Space group: P63 (173)

Fechtelkord M , Stief F , Buhl J-C , American Mineralogist , 86 (2001) p.165-175, Sodium cation dynamics in nitrate cancrinite: A low and high temperature Na and H, MAS NMR study and high temperature Rietveld structure refinement, Sample: T = 296 K