1. Education

Phyllite

In the Gallery of Metamorphic Rocks

Phyllite ("leaf-stone") is the metamorphic step beyond slate. New layers of mica minerals give phyllite a shiny, wavy appearance. (more in the Phyllite Gallery)
Micas add shine and wave
Photo (c) 2003 Andrew Alden, licensed to About.com (fair use policy)

©2012 About.com. All rights reserved.

A part of The New York Times Company.