While you may have never stood inside a geode, you've probably held, or at least seen, one before. "Many people have little geodes in their home," Juan Manuel García-Ruiz, a geologist at the Spanish ...

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 ...

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 ...

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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 ...

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 ...

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

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 ...