ruby spinel

/ˌrubi spəˌnɛl/
IPA guide

Other forms: ruby spinels

Definitions of ruby spinel
  1. noun
    a spinel used as a gemstone (usually dark red)
    synonyms: spinel ruby
    see moresee less
    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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