L-491 (Agate Geode): Collection includes raw material, outer surface, surrounding matrix, and naturally-weathered specimens. L-491 (Agate Geode) (Information obtained from Briar Creek Type Sheet) ...

Now you can say your place literally rocks. Agate, geodes and gemstones are a great way to add a pop of color and natural texture without busting out the paint rollers. Make sure your agate is nice ...

When it comes to home accents that add character and color, crystals like geodes deliver the goods. These rock structures with internal cavities filled with minerals can be absolutely captivating.

It took millions of years for agates and geodes to reach the earth’s surface — and it looks like this year they’re making up for lost time. The crystal-encrusted rocks are everywhere right now (and do ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. Agate, chalcedony formed from layers of quartz and often treacle-brown, has long been associated with 1970s ...

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 ...

Would you spend $10,000 on a rock that looks like Sesame Street’s Cookie Monster — or would you ask some friends to chip in? Geologists, cookie-lovers and many social media users are hungry for ...