itacolumite[it′ə käl′yo̵̅o̅ mīt′]
itacolumite definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a type of fine-grained sandstone deposited in flexible layers
Origin: after Itacolumi, mountain in Brazil, where found
itacolumite definition by American Heritage Dictionary
A variety of sandstone that is flexible when cut into thin slabs.
Origin: After Itacolumi (Itacolomi), a mountain of east-central Brazil.