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sunstone

American  
[suhn-stohn] / ˈsʌnˌstoʊn /

noun

  1. a reddish variety of oligoclase feldspar, used as a gem, having a red and bright-yellow play of color.


sunstone British  
/ ˈsʌnˌstəʊn /

noun

  1. another name for aventurine

"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

Etymology

Origin of sunstone

Middle English word dating back to 1350–1400; see origin at sun, stone

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But what the country lacks in gemological richness, it makes up in a startling variety of gems mined coast to coast, from Oregon sunstone to Maine tourmaline.

From New York Times • Dec. 5, 2022

And Oregon produces different varieties of sunstone and jasper.

From New York Times • Dec. 5, 2022

To my surprise, the sunstone is "real" – or rather, as real as a firm theory can make it.

From The Guardian • Apr. 9, 2013

But even if it is possible, using such a sunstone on a rolling Viking ship at sea would have been a challenge, he says.

From Science Magazine • Nov. 2, 2011

She set down the glass and rubbed the sunstone on her finger.

From Little Fuzzy by Piper, H. Beam

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