schorl 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 black variety of tourmaline
Origin: German schörl
schorl definition by American Heritage Dictionary
Tourmaline, especially black tourmaline.
Origin: German Schörl.
- schor·laˈceous adjective