AM_Annite_1
Formula: (Si3 Al) Fe3 K.956 O12
Name: Annite
Unit cell: 5.3899 9.3367 10.3086 90.0 100.16 90.0 , V=510.63
Space group: C12/M1 (12)

Redhammer G J , Beran A , Schneider J , Amthauer G , Lottermoser W , American Mineralogist , 85 (2000) p.449-465, Spectroscopic and structural properties of synthetic micas on the, annite-siderophyllite binary: Synthesis, crystal structure refinement,, Mossbauer, and infrared spectroscopy, Sample: A44