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 ...

The colors are produced by the propagation of polarized white light inside the minerals ... the second provides the idea of flow in rocks, with blocky crystals surrounded by a curved and folded ...

Taken by themselves, geodes are gorgeous, with the insides lined with crystals that add a sense of beauty and wonder to the rocks, and they become even more amazing when they are dinosaur eggs ...

And it all began when the 1-ton rover happened to drive over a rock and crack it open, revealing yellowish-green crystals never ... has something interesting inside.” The Curiosity team was ...

NASA announced this week that rocks made of pure sulfur have been discovered on the Red Planet. The yellow sulfur crystals in a pure form have never been seen before on Mars. Earlier findings have ...

These crystals are produced in molten rock as it travels from deep inside Earth to the surface. With increasingly sophisticated scientific methods, we can extract a secret history of volcanoes ...

glistening rocks inside. Hexga Rock Crystal Locations In Expedition 33 After exhausting Hexga’s dialogue, enter the cave next to Hexga’s location and find the golden thread that helps ...