spinel

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noun spi·nel \spə-ˈnel\
variants: or

spinelle

Definition of spinel

  1. 1 :  a hard crystalline mineral consisting of an oxide of magnesium and aluminum that varies from colorless to ruby red to black and is used as a gem

  2. 2 :  any of a group of minerals that are essentially oxides of magnesium, ferrous iron, zinc, or manganese

Origin and Etymology of spinel

Italian spinella, diminutive of spina thorn, from Latin


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