| NOUN | substance | spinel ruby, ruby spinel | a spinel used as a gemstone (usually dark red) |
|---|
| Meaning | A spinel used as a gemstone (usually dark red). | |
|---|---|---|
| Synonym | ruby spinel | |
| Narrower | 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 | |
| Broader | spinel | A hard glassy mineral consisting of an oxide of magnesium and aluminum |
| Spanish | rubí espinela | |
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