Agate hunting is a renown Humboldt County sport. Go to a beach any day of the week, any month of the year and you’ll see the hunters — people of all ages bent over like myopic crones or crawling on ...

In a full day's search on the last day of March, Mike Jacobs of Monticello and I found 121 agates. That seemed a lot to an amateur like me, whose agate hunting has been largely confined to looking ...

It takes a trained and disciplined eye to find some of nature's hidden treasures. After more than 50 years' experience, mine is pretty good at finding morel mushrooms, which have a knack for ...

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 ...

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 ...

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 ...

Jaspers and cherts are the rocks most often confused with Lake Superior agates Lakers formed when mineral-infused solutions seeped into the gas bubbles of volcanic rocks Lake Superior agates are ...

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 ...

PORTLAND, Ore. (KOIN) — While the ocean is still too cold for a swim, Oregon beaches offer other popular activities for beachgoers to enjoy while soaking in the spring sunshine. Thanks to the state’s ...

DULUTH — About 1.1 billion years ago here, fissures opened in the surface of the earth, depositing lakes of molten rock near what would eventually be the Twin Ports and Lake Superior. This is ...

Along with the ancient volcanic gems they seek, Oregon’s agate-hunters can be spotted year-round across the state’s shores and watersheds. “Only look right in front of you,” Seana Sutton said, her ...