Geodes are small rock cavities lined with crystals or minerals. They form through sedimentation, a process in which particles (solute) are suspended in fluid (solvent) and then accumulate. (Here, the ...

The geological history that led to the formation of giant crystals and a 36-foot geode has been revealed by scientists. By looking at the abandoned mine where the geode of Pulpí was found, they were ...

Lots of kids collect minerals, but Richard Berger wasn’t one of them. The Bronx native didn’t see his first chunk of quartz until he was in his 20s. Disillusioned with medical school, Berger was ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Discovered in 1999 during mining operations in the Mina Rica (the ...

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Rock candy was one of the coolest kinds of candy you could eat as a kid, right up there with gummy worms. They made it look like you were eating expensive crystals, and if that wasn't enough for you, ...

Michael Boon releases ancient "magic" each time he strikes his hammer against a rock for his TikTok followers. He splits the Moroccan geodes open, cracking through the shell to expose an individual ...