spinel ruby.
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spinel ruby — noun a spinel used as a gemstone (usually dark red) • Syn: ↑ruby spinel • Hypernyms: ↑spinel • Hyponyms: ↑almandine, ↑balas, ↑balas ruby, ↑rubicelle … Useful english dictionary
spinel ruby. — See ruby spinel. [1660 70] … Useful english dictionary
spinel ruby — noun a deep red variety of spinel, often of gem quality … English new terms dictionary
Spinel — Spi*nel , Spinelle Spi*nelle , n. [F. spinelle, or LL. spinellus, perhaps from L. spina a thorn, a prickle, in allusion to its pointed crystals.] (Min.) A mineral occuring in octahedrons of great hardness and various colors, as red, green, blue,… … The Collaborative International Dictionary of English
ruby spinel — noun a spinel used as a gemstone (usually dark red) • Syn: ↑spinel ruby • Hypernyms: ↑spinel • Hyponyms: ↑almandine, ↑balas, ↑balas ruby, ↑rubicelle * * * … Useful english dictionary
ruby spinel — Mineral. a deep red, transparent variety of spinel, used as a gem. Also called spinel ruby. [1830 40] * * * ▪ mineral natural or synthetic gem quality spinel (q.v.; magnesium aluminum oxide) that resembles ruby. The two natural gems are… … Universalium
ruby — Synonyms and related words: Titian, Titian red, adamant, agate, alexandrite, amethyst, aquamarine, beryl, bloodstone, bricky, brilliant, carbuncle, cardinal, carmine, carnation, carnelian, cerise, chalcedony, cherry, cherry colored, cherry red,… … Moby Thesaurus
ruby — /ˈrubi / (say roohbee) noun (plural rubies) 1. a red variety of corundum, highly prized as a gem (true ruby or oriental ruby). 2. a piece of this stone. 3. any of various similar stones, as the spinel ruby, balas ruby, etc. 4. deep red; carmine.… …
spinel — n. 1 any of a group of hard crystalline minerals of various colours, consisting chiefly of oxides of magnesium and aluminium. 2 any substance of similar composition or properties. Phrases and idioms: spinel ruby a deep red variety of spinel used… … Useful english dictionary
RUBY — a gem which in value and hardness ranks next to the diamond; is dichroic, of greater specific gravity than any other gem, and belongs to the hexagonal system of crystals; is a pellucid, ruddy tinted stone, and, like the sapphire, a variety of… … The Nuttall Encyclopaedia
