cake tiers are literally slashed open to hold a crystallized sugar creation that’s designed to look like one of nature’s most beautiful rock formations. This geode cake features galactic blue ...

“Many times, it looks like an old rock on the ground. You don’t know until you’ve broken it open. I’ve crunched a lot of ugly, old rocks open,” he said. Some of the shop’s geodes are ...

If there were an award for Most Instagram-Worthy Nail Art Trend, geode nails would definitely be in the running. Rock-like on the outside but colorful and sparkly when cracked open, geodes contain ...

With a single strike, he cracked open the rock. The center was luminous with crystals. “It’s a geode!” Uncle Yaki put it in my hand. I stared at it, and at him, and then back at the rock.

Geodes are hollow rock filled with dazzling crystals. I'm at the American Museum of Natural History in New York City and behind me is an amethyst geode that was formed millions of years ago.