The beaches at Grand Marais are excellent hunting grounds for the ancient Lake Superior agate, a semi-precious stone made up of concentric circles of microcrystaline quartz reddened by iron. Here’s ...

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 ...

GOLDEN VALLEY, Minn. - Minnesota's state gemstone is the Lake Superior agate, and for years it has fascinated those young and old. In response to a viewer question from our kiosk at the Science Museum ...

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 ...

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 ...

Harley Alcala says he found the mother lode of Lake Superior agates right in Lake Superior. Alcala was kayaking near his home in Hovland on the North Shore when he spotted the basketball-size rock ...

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 ...

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 ...

With the gales of November rolling in, anyone ready to bundle up in raincoats and waterproof boots may have luck spotting Lake Superior agates and other cool rocks. Late-fall weather already whipped ...

I think I have always been enthralled with rocks, having the rock hammer my mother bought for me more than 60 years ago hanging on the "birdroom" wall of my backwater cabin. And, even though one would ...

WRIGHT COUNTY, Minn. (KMSP) - A Wright County man is asking those who collect and sell rocks to be on the lookout after his unique collection of Lake Superior Agates worth tens of thousands of dollars ...

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 ...