AM_Paragonite_5
Formula: (Na.91 K.07 Ca.01 Ba.01) Al3.07 Ti.005 Fe.01 Mn.001 Mg.02 Si2.92 O12 H2
Name: Paragonite
Unit cell: 5.14 8.911 19.38 90.0 94.62 90.0 , V=884.77
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 2: T = 25 C