rubasse[ro̵̅o̅ bas′, -bäs′]
rubasse 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 variety of crystalline quartz containing bits of hematite that produce a ruby-red color
Origin: ; from French rubace ; from rubis: see ruby
rubasse definition by American Heritage Dictionary
A variety of quartz colored ruby red by its iron-oxide content.
Origin: French rubace, from rubis, ruby; see ruby.