HOLDING TOWNSHIP, Minn. — 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 the ...

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 ...

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 ...

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 ...

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 ...

GRAND MARAIS, Minn. — Among the many pastimes popular in Minnesota is agate hunting -- scanning the shores of Lake Superior for the official state gemstone. Relatively easy to find in the summer when ...

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 ...

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 ...

Lyndon Johnson has a passion for collecting agates. Lyndon Johnson has maybe logged more miles walking than anyone in Minnesota. His passion is collecting agates. Every year Lyndon walks hundreds of ...