Imagine walking through a dusty, arid landscape when you stumble upon a seemingly ordinary rock. Its rough exterior might not catch the eye, but what lies within surely will. Geodes are one of ...

In this video, we cut a huge geode purchased on eBay to determine its authenticity as a valuable find or just a $55 rock.

Real geodes are handball-sized, hollow rocks that start out as bubbles in volcanic or sedimentary rock. Only when these inconspicuous round rocks are split in half by a geologist, do we get a chance ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. OKLAHOMA CITY (KFOR) — The outside of a ...

Göttingen University researcher Fiorella Arduin Rode working in open pit mine of the study area, Los Catalanes mining district, northern Uruguay. Along with Ametista do Sul in southern Brazil, these ...