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  • A faceting machine is broadly defined as any device that allows the user to place and polish facets onto a mineral specimen. A major division among machines is found between those that facet diamonds and those that do not. — “Faceting machine - Wikipedia, the free encyclopedia”,
  • The organization of naturally occurring facets was key to early developments 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 by allowing them to reflect light. — “Facet - Wikipedia, the free encyclopedia”,
  • Each facet typically corresponds to the possible values of a property common to a set of Facets are often derived by analysis of the text of an item using entity extraction. — “Faceted search - Wikipedia, the free encyclopedia”,


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