geode

noun

ge·ode ˈjē-ˌōd

: a nodule of stone having a cavity lined with crystals or mineral matter

: the cavity in a geode

Examples of geode in a Sentence

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Trinkets include high-quality crafts and collectibles like paper garlands, crack-open geodes, mindfulness cards and kaleidoscopes for readers aged three and older. —

Skyler Caruso, People.com, 17 Oct. 2024 Most geodes are small A study led by Göttingen University researchers discovered that the giant amethyst geodes formed at unexpectedly low crystallization temperatures and thanks to a steady groundwater flow. —

David Bressan, Forbes, 9 Oct. 2024 However, how the geodes can grow to this size has remained a mystery. —

David Bressan, Forbes, 9 Oct. 2024 This family-friendly good time offers more than 50 craft and flea market vendors, specials and giveaways, a petting zoo, pony rides, gem mining and geode cracking, a scavenger hunt, meet and greet with Turtleman, and a Sasquatch Shoot corn cob cannon. —

Luann Gibbs, The Enquirer, 11 Sep. 2024 See all Example Sentences for geode