facet

     

Facets are flat faces on geometric shapes. The organization of naturally occurring facets was key to early evelopments in crystallography, since they reflect the underlying symmetry of the crystal structure. Gemstones commonly have facets cut into them in order to improve their appearance.

Trivia about facet

  • One of the plane surfaces of a cut diamond; the brilliant cut has 58
  • (Kelly of the Clue Crew reading points to a fly's eye on the monitor.) An insect's compound eye can detect 300 flashes of light per second compared to a human's 50, using thousands of tiny lenses known as these, as in a diamond

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