California State Parks, which manages more than 340 miles of California’s coastline, is asking the public not to collect any ...

We knew he would be an excellent guide on our agate hunting adventure. We met up with him at a secluded beach on Lake Superior right outside Duluth and started sifting through the rocky shore. For ...

Agates are formed from silica solutions filling gas bubbles in lava rocks, creating bands of color. The best time to find agates in Michigan is after a storm. Popular Michigan agate hunting ...

The geochemistry of agate and chalcedony in volcanic rocks represents an intricate record of silica precipitation and crystallisation processes occurring under variable thermal and chemical ...

People come to Oregon from all over the world to hunt for thundereggs, the seemingly unremarkable egg-shaped rocks that hide beautiful patterns of agate, opal, jasper and other gemstones.

Agates are formed from silica solutions filling gas bubbles in lava rocks, creating bands of color. The best time to find agates in Michigan is after a storm. Popular Michigan agate hunting locations ...