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 ...

Rockhounders can find all kinds of gemstones across the United States, but there are certain places where geodes can be found ...

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An abandoned mine in Spain hides a sparkling treasure – the world's largest geode, a natural crystal phenomenon that has stunned scientists. In abandoned silver mine in Pulpí, in Spain's south-eastern ...

Sparkling hollows filled with lustrous crystals, dubbed geodes, are often perceived as small objects that can fit comfortably on a bookshelf. But some are more like gigantic cathedrals filled with a ...

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 ...