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 ...

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 ...

Many folks go gaga for agates, semi-precious quartz stones often found on beaches, and wonder where to find them. An article on A-Z-Animals.com tells all about agate hunting in Oregon, with 21 ...

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 ...

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 ...

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 ...

Agates are rocks. More specifically, they’re a form of chalcedony typically semi-transparent to translucent. Size-wise, more often than not, agates range somewhere between a jelly bean and a ...

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 ...