An agate gemstone unearthed in Brazil has gone viral for its striking resemblance to Cookie Monster of "Sesame Street" fame. A geologist in California says he's received multiple offers of $10,000 for ...

A rock collector in Brazil found this agate, a type of quartz that develops in volcanic rock, that looks just like Cookie Monster. (Image credit: Kennedy News & Media) ...

SAUK RAPIDS — You never know what you'll find until you look. That's what Lyndon Johnson says about hunting for agates, a semi-precious gemstone which can have colors arranged in stripes or ...

The burden of latent tuberculosis infection (LTBI) in India's agate stone workers is nearly double the national average 1. Agate stones, which contain more than 60% free silica, are polished ...

Agate Fossil Beds National Monument is celebrating the return of the James H. Cook collection of Native American Artifacts this summer.