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star sapphire

noun
  1. a sapphire, cut cabochon, exhibiting asterism in the form of a colorless six-rayed star.
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Origin of star sapphire

First recorded in 1795–1805
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for star sapphire

Historical Examples

  • Like the inside of a pearl; like the inside of a star-sapphire; like a rainbow at twilight.

    A Northern Countryside

    Rosalind Richards

  • Was I making game of you when you discovered me looking out of your star-sapphire yesterday?

    Lilith

    George MacDonald

  • At other times the star-sapphire which Burton carried on his person proved a valuable auxiliary—and convinced where words failed.

  • Perhaps your hands would look wrong with a ring, unless I could find a star-sapphire set in silver.

    Sinister Street, vol. 1

    Compton Mackenzie

  • The typical asteria is the star-sapphire, generally a bluish-grey corundum, milky or opalescent, with a star of six rays.


British Dictionary definitions for star sapphire

star sapphire

noun
  1. a sapphire showing a starlike figure in reflected light because of its crystalline structure
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012