This is an archived article and the information in the article may be outdated.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.

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 ...

Sparkling hollows filled with lustrous crystals, dubbed geodes, are often perceived as small objects that can fit comfortably on a bookshelf. But some are more like gigantic cathedrals filled with a ...