AM_Paragonite
Formula: Al3.06 Si2.94 Na O12 H2
Name: Paragonite
Unit cell: 5.128 8.898 19.287 90.0 94.35 90.0 , V=877.51
Space group: C12/C1 (15)

Lin C Y , Bailey S W , American Mineralogist , 69 (1984) p.122-127, The crystal structure of paragonite-2M1