Researchers from the University of Göttingen have investigated an intriguing geological phenomenon in Uruguay. These ...

The size, color and pattern of these crystals vary depending on the minerals present in the water that filled the cavity, making each geode a unique and natural work of art. Collectors and ...

Nestled in the heart of Mina Rica, the Pulpi Geode is one of Spain’s hidden gems—literally—drawing visitors from around the ...