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 ...

Craig Prudhomme is a former naturalist and has been involved in planning Moose Lake’s Agate Days weekend for 18 years. Moose Lake is home to the largest agate on record. It weighs 108 pounds. “In 1969 ...

MOOSE LAKE, Minn. — Fall is hunting season in Minnesota, but folks walking near the Moose Lake Airport aren't looking for pheasants or deer — they're hunting for a gemstone. "There's a pretty nice one ...

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.

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 ...

Hunting for Lake Superior Agate has been a bucket list item of mine for a LONG time. Michigan's Great Lakes are full of incredible treasures, and in my opinion the Lake Superior Agate is one of the ...

Appears in exhibition catalog as entry no. 63 (Sale info: TO BE DISTRIBUTED). No. 7. 1847. June 1. The American Art-Union: Plan of the Institution, List of its Officers, and Catalogue of Paintings, ...

For the past 20 years, Jesse Lofgren has slowly amassed a collection of Lake Superior agates. But when he returned from a monthlong business trip earlier this week, Lofgren discovered that $60,000 ...

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 ...