Northern Uruguay is home to one of the largest amethyst deposits in the world ... The isotope content also suggests the water came from the natural weather cycle. The researchers believe ...

Amethyst geodes in Uruguay have been found in cooled lava ... highlighting their scientific and natural value. However, limited knowledge of how these geodes formed has made locating them ...

The 2.5 tons Empress of Uruguay is slightly less impressive after a tourist pinched a piece of the world's largest amethyst on show in Queensland, Australia. The three-meter tall amethyst geode ...