1.0The Studyhttps://www.1stdibs.com/blogs/the-study1stdibshttps://www.1stdibs.com/blogs/the-study/author/1stdibs/October Birthstone: Opal | The Studyrich600338<blockquote class="wp-embedded-content" data-secret="HZFmG5FRs7"><a href="https://www.1stdibs.com/blogs/the-study/october-birthstone-opal/">October Birthstone: Opal</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.1stdibs.com/blogs/the-study/october-birthstone-opal/embed/#?secret=HZFmG5FRs7" width="600" height="338" title="“October Birthstone: Opal” — The Study" data-secret="HZFmG5FRs7" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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https://www.1stdibs.com/blogs/the-study/wp-content/uploads/Opal_and_Tsavorite_Ring_2_org_l.jpg500500Opals were discovered in 400 BC, and since then five types have been found throughout the world. Before you start shopping for these mysteriously beautiful gems, learn about the different varieties — and find out which historical figure was reportedly willing to trade his kingdom for a single stone.