Cite
 

Meaning of illite

il•lite

Pronunciation: (il'īt), [key]
— n.
  1. any of a group of clay minerals, hydrous potassium aluminosilicates, characterized by a three-layer micalike structure and a gray, light green, or yellowish-brown color.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.