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star sapphire

noun

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


star sapphire

noun

  1. a sapphire showing a starlike figure in reflected light because of its crystalline structure
“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
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Word History and Origins

Origin of star sapphire1

First recorded in 1795–1805
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Example Sentences

Examples have not been reviewed.

She also excavated a few gems, including a star sapphire ring that belonged to her late father and an inexpensive metal lotus bowl that I had loved, deformed but still somehow itself.

From

The article quoted Thilak Weerasinghe, the chairman of the National Gem and Jewelry Authority of Sri Lanka, a government agency, as saying that it was “probably the biggest” star sapphire specimen in the world.

From

Sri Lankan authorities say the world's largest star sapphire cluster has been found in a backyard - by accident.

From

Her fur color has been compared to Baked Alaska, and Mr. Lagerfeld declared that her eyes were like star sapphires.

From

As a gemologist, I learned that genuine star sapphires have tiny imperfections and inclusions that reflect light perfectly, thereby forming a star in the stone.

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Stars and Stripesstar-shaped