Illite

Properties

Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Crystal symmetry Monoclinic
Tags Aluminosilicate , Hydroxide, Variety

Composition

Element Atoms
O 12
H 2
K 0.65
Al 2.65
Si 3.35
Total: 20.65