Amethyst Mine Panorama - just west of the city of Thunder Bay, in Northwestern Ontario - is a *ahem* GEM of a tourist attraction. I’ve been there several times over the decades, starting when I ...

Miners discover a one-of-a-kind amethyst crystal inside a large basalt geode in the Santa Rosa mine in Uruguay’s Artigas ...

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

Amethyst is a violet variety of quartz that has been used as a gemstone for many centuries and is a key economic resource in northern Uruguay. Geodes are hollow rock formations often with quartz ...