ruby spinel

ruby spinel

n

(Minerals) a red transparent variety of spinel, used as a gemstone

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

ru′by spinel`

n.

a deep red, transparent variety of spinel, used as a gem.

[1830–40]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Thesaurus

Noun

1.

ruby spinel - a spinel used as a gemstone (usually dark red) spinel ruby spinel - a hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones almandine - a purple variety of the ruby spinel balas, balas ruby - a pale rose-colored variety of the ruby spinel rubicelle - a yellow or orange variety of ruby spinel

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