When hiking out in nature, like a rocky beach, you might come across geodes. For those that may not remember what a geode is, they are those mineral formations inside hollow rocks. Outside, they ...

Geode vs. Agate: What's the Difference? While both geodes and agates are stunning natural formations, they are formed in slightly different ways, which influences their appearance and structure.

The Pulpí Geode, in southern Spain, is the largest geode in the world. For the first time, scientists think they know how it was made.

From one end to another, this giant geode is about as long as a small RV. If you wanted, you could comfortably house several adults within its dazzling interior. And the crystalline slabs that jut ...

The researchers discovered that the amethyst geodes formed at unexpectedly low crystallisation temperatures of just 15 to 60 °C.

Any geode might make us wonder: What geologic forces form these hollows lined with crystals? But the Pulpí Geode, discovered in an abandoned Spanish mine, takes wonder to a different scale. One ...

Uruguay’s giant amethyst geodes may have grown from groundwater Crystals found in pockets of volcanic rock likely formed at low temperature ...

Overall, the study enhances the appreciation of the natural beauty and geological significance of Northern Uruguay's amethyst and agate geodes. Arduin-Rode F., Sosa G., et al. (2024).