In an abandoned mine in southern Spain, there is a room of pure crystal. To get there, you'll have to descend deep into tunnels, climb a ladder into an inconspicuous hole in the rocks and squeeze ...

Those looking for a chance to dig into Earth science will have a chance June 26-27 during the annual East Texas Gem and ...

Researchers from the University of Göttingen have investigated an intriguing geological phenomenon in Uruguay. These scientists are trying to uncover the mysteries behind the formation of amethyst ...

Amethyst geodes—some stretching 5 m long—dot the ancient lava flows of Uruguay’s Los Catalanes mining area. The geodes contain calcite, colorless quartz, and agate, another quartz mineral. Large ...

Geodes are not so pretty on the outside, but when cracked, they are beautiful on the inside. With a few materials from around the house, you can turn an ordinary egg into a geode. Materials ...

Revealing a hidden world inside an ordinary geode, this experiment follows the intense process of cracking it open using ...

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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, as was ...

The art included in "Crystal Beings" is nothing short of striking. Curated by the Science Center's Angela McQuillan, the collection shows how each artist was inspired by or interpreted crystals in ...

Geodes can be kind of ugly on the outside, but when cracked open, you can find something beautiful. Here's how to make your own. n 12 eggs n Water n Borax n Food coloring STEP 1: Crack each egg near ...