The rock now belongs to California-based gemologist Mike Bowers, who says collectors have offered him up to US$10,000 for the one-of-a-kind geode. That’s enough dough to buy well over 100,000 ...

There's something distinctly mysterious and cool about geodes... rocks hidden in plain sight that contain a astonishing array of crystals within, just waiting to be discovered. There are a lot of ...

In 2017, researchers going through fossils at the Smithsonian Museum in Washington D.C. stumbled upon 50-million-year-old crocodile eggs that had transformed into geodes filled with quartz crystals.