Smectite (group) [ A0.3D2-3[T4O10]Z2 · nH2O ]

Material properties

Formula A0.3D2-3[T4O10]Z2 · nH2O
Abbreviation Sme
Classification Clay
Members Illite-Smectite 12.0A, Sauconite, Swinefordite, Montmorillonite, Hectorite, Stevensite, Saliotite, Nontronite, Zincsilite, Volkonskoite, Illite-Smectite 11.5A, Beidellite, Yakhontovite, Saponite, Montmorillonite, Fe, Ferrosaponite
Luminescence emitters H-O-H, M[n]OH
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Crystal symmetry Monoclinic
Tags Aluminosilicate , Hydrated, Group

Composition

Al, Na, Cr, Ni, Zn, Cu, H, Mg, Ca, Fe, Si, O