People view the 12-foot tall amethyst geode from Uruguay hosted at the American Museum of Natural History in New York. Thanks to geological surveys and detailed chemical analysis, a team of ...

Archaeologists in Israel unearthed prehistoric hand axes that Homo erectus crafted from stones including fossils and crystals ...

Find the answer for Mineral in some geodes from the people who brought you the USA TODAY Daily Crossword Puzzle.

Geodes tend to be more rounded than the rocks surrounding them. They are also harder, because the minerals within make geodes harder than the rock they are encased in. Geodes are usually spheroidal, ...

TYLER, Texas (KLTV) - If you’re looking for something solid to do this weekend, well we have something for you. It doesn’t get much more solid than the East Texas Gem and Mineral Show. This is truly a ...