AM_Ferrierite-Na
Formula:
(Na1.5 K.5) Mg.25 (Si15.498 Al2.502) O42.5 H26
Name:
Ferrierite-Na
Unit cell:
18.886 14.182 7.47 90.0 90.0 90.0 , V=2000.77
Space group:
P121/N1 (14)
Gramlich-Meier R , Gramlich V , Meier W M , American Mineralogist , 70 (1985) p.619-623, The crystal structure of the monoclinic variety of ferrierite, Locality: Altoona, Washinton, USA