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 ...

Amethyst geodes (some over 16 feet high!) are located in cooled lava flows. These ancient lava flows can be traced to the breakup of the supercontinent Gondwana some 134 million years ago. Mining ...

The three-meter tall amethyst geode - a hollow rock filled with amethyst ... The Empress had a special crate constructed tightly around her, at the mine in Uruguay, and this was then secured ...