Is there someone in your life who loves all things science, color and crystals? National Geographic's beautiful crustal science kit will allow you or your loved one to explore crystals in vivid color ...
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 ...
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 ...
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 ...