Hand holding a purple geode in a green garden - FotoHelin/Shutterstock This guide highlights accessible, legal locations where enthusiasts can safely hunt for geodes and geode-like formations and take ...

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 ...

Geodes tend to be more rounded than the rocks surrounding them. They are also harder, because the minerals within make geodes harder than the rock they are encased in. Geodes are usually spheroidal, ...