Rockhounders can find all kinds of gemstones across the United States, but there are certain places where geodes can be found ...

The geological history that led to the formation of giant crystals and a 36-foot geode has been revealed by scientists. By looking at the abandoned mine where the geode of Pulpí was found, they were ...

Amethyst is a violet variety of quartz which 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 ...

Seven feet tall and encrusted with lavender spikes throughout its craggy interior, the 1-ton amethyst throne required five men to muscle it through the double doors of gem shop Crystalarium. It’s not ...