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ruby spinel

DEFINITIONS OF: ruby spinel

1

n a spinel used as a gemstone (usually dark red)

Synonyms:
spinel ruby
Types:
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
Type of:
spinel
a hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones
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