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

Make sure to head out into the ocean and then dive down to the depths to look for the amethyst geodes. You will usually find them in underwater caves or trapped structures in a triple layer of ...

Northern Uruguay is home to one of the largest amethyst deposits in the world – but their formation has long been a mystery.

“It was surprising to find these very low temperatures,” Arduin Rode says. Researchers studying amethyst geode formation in Brazil’s lava flows have proposed temperatures below 100 ° ...

People view the 12-foot tall amethyst geode from Uruguay hosted at the American Museum of Natural ... [+] History in New York. Thanks to geological surveys and detailed chemical analysis ...

Some of the world's largest amethyst geodes come out of Artigas, Uruguay. The earth beneath this region is uniquely suited to producing amethyst. But other than size, what qualities do miners look ...