SPINEL

Spinel

Spinel is the magnesium aluminium member of the larger spinel group of minerals. It has the formula MgAl2O4. Balas ruby is an old name for a rose-tinted variety.

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spinel

Noun

  1. Any of several hard minerals of cubic symmetry that are mixed oxides of magnesium and aluminium and are used as gemstones of various colours.
  2. Any crystalline material, not necessarily an oxide, that possesses the same crystal structure as this mineral.
  3. Bleached yarn in making the linen tape called inkle; unwrought inkle.


The above text is a snippet from Wiktionary: spinel
and as such is available under the Creative Commons Attribution/Share-Alike License.

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