No one makes eye contact. They're too intent on the ground, searching for one of Central Minnesota's oldest buried treasures: Lake Superior agates. Butch Goldenstein figures he's found hundreds of ...

Rockhounds will find agate, minerals and rocks from around the world all close at home. The show offers an opportunity to look at agates from across the globe or buy and trade stones. Vendors provide ...

Selling the red, orange and yellow chunks of banded rock known as Lake Superior agate requires more than just owning a collection of the beautiful semi-precious gemstones. You also need to figure out ...

Thanks to fire and ice, treasures abound. This summer, agate collectors are on the hunt in eastern Minnesota and western Wisconsin, searching for rocks that can fetch as much as thousands of dollars ...

The annual agate and mineral show this weekend is adding star power to its lineup this year with an exhibit of some of the best known Lake Superior agates in the world. The Cuyuna Agate & Mineral Show ...

HOLDING TOWNSHIP, Minn. (AP) - Ed Opatz spotted the agate first. Look for it, he encouraged. It’s got purple bands. Red bands. A perfect example. Four of us stood in a tight circle, but only Opatz saw ...

What’s more peaceful than walking down the beach and looking for that perfect rock? For one woman in the Upper Peninsula’s village of Grand Marais, those rocks have a very special meaning, especially ...

Timing can be everything when it comes to finding Lake Superior agates. "It's like treasure hunting," says Butch Goldenstein of St. Cloud, an agate enthusiast who manned a table at the annual Agate ...

The elusive Lake Superior agate. Rockhounds scour Lake Superior’s shoreline for these rare banded beauties—from the western reaches of the Keweenaw Peninsula to the U.P.’s easternmost Whitefish Point.

In 1969, the Minnesota Legislature declared the Lake Superior agate to be the state's official gemstone. Moose Lake has dubbed itself the "agate capital of the world" and Agate Days are celebrated ...