Discovered in 1999 inside an abandoned mine in Southern Spain, Pulpí Geode is the largest crystal 'cave' of its kind in the world. But what exactly is a geode and how do crystals form inside them?

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

Geodes, by themselves, aren't the important part of that though, and what matters it's what they can hold inside; just like there are four types of Geodes, there are also four types of things you ...

Geodes are hollow rock formations often with quartz crystals, such as amethyst, inside. Amethyst geodes in Uruguay have been ...

Property names are listed in the language in which they have been submitted by the State Party The Giant Geode of Pulpí is located inside the Mina Rica, located on the eastern slope of the Sierra del ...