From one end to another, this giant geode is about as long as a small RV. If you wanted, you could comfortably house several adults within its dazzling interior. And the crystalline slabs that jut ...

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 ...

Exploring the Pulpi Geode, the world's largest crystal cave in Spain, The Pulpí Geode in a gypsum mine in Pulpí, Spain is the world's largest geode, measuring 8 meters in length. Discovered in 1999, ...

Discovered in 1999 during mining operations in the Mina Rica (the Rich Mine) in Almeria, southeast Spain, the crystal geode of Pulpí hosts among the most beautiful crystals ever discovered. Even if ...

Boulder, Colo., USA: The geode of Pulpí is an 11-meter hollow ovoid with crystal-paneled walls. It is like those familiar couplets of stone interiors covered with bright crystallites, but so large ...

Any geode might make us wonder: What geologic forces form these hollows lined with crystals? But the Pulpí Geode, discovered in an abandoned Spanish mine, takes wonder to a different scale. One of the ...