AM_NaAl2(AlSi3)O11 Formula: Na Al3 Si3 O11 Name: NaAl2(AlSi3)O11 Unit cell: 5.182 9.117 19.55 90.0 92.7 90.0 , V=922.60 Space group: C12/C1 (15)

Comodi P , Zanazzi P F , Physics and Chemistry of Minerals , 27 (2000) p.377-385, Structural thermal behavior of paragonite and its dehydroxylate:, a high-temperature single-crystal study, Sample: Dehydroxylate phase at T = 25 C