itacolumite: Meaning and Definition of

it•a•col•u•mite

Pronunciation: (it"u-kol'yu-mīt"), [key]
— n.
  1. a sandstone consisting of interlocking quartz grains and mica scales, found principally in Brazil and North Carolina, and noted for its flexibility in thin slabs.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.