rubasse

ru·basse

(ro͞o-băs′, ro͞o′băs′)

A variety of quartz colored ruby red by its iron-oxide content.

[French rubace, from rubis, ruby; see ruby.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

rubasse

(rʊˈbæs)

(Minerals) mineralogy a type of quartz containing red haematite

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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