are natural deposits of an opaque vitreous character abundantly diffused in nature, which may be described as double hydrated silicates of aluminium and calcium. When treated with acids they partially dissolve, leaving the silica in a gelatinous state. Stilbite and analcime are two zeolites.

Link to This Definition
Did you find this definition of ZEOLITES helpful? You can share it by copying the code below and adding it to your blog or web page.
Definition of  ZEOLITES