spinel Definition
a hard, glassy mineral occurring as octahedral crystals of variable color and consisting chiefly of magnesium and aluminum oxides.
Using spinel: Examples
Take a moment to familiarize yourself with how "spinel" can be used in various situations through the following examples!
Example
The crown jewels contain several large spinels.
Example
Spinel is often used as a gemstone in jewelry.
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Summary: spinel in Brief
The term 'spinel' [ˈspɪnəl] refers to a hard, glassy mineral that comes in various colors and consists mainly of magnesium and aluminum oxides. It is often used as a gemstone in jewelry and can be found in the crown jewels.
