Two women were moving rocks on a beach along the Yellowstone River the other day. “Did you lose something?” I asked. “No,” they replied. They were looking for agates. You may have seen agates in gift ...

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 ...

Known for their integrated colors and patterns, collectors are often amazed at agates that wind up on Upper Peninsula lakeshores. Known for its diversity and beauty, an agate stone is a form of quartz ...

MOOSE LAKE, Minn. — On a cold, blustery day in April, Bel and I headed to the North Shore to meet up with a rock star named Taylor, or as he’s known on social media, “Agate Dad.” Taylor is famous in ...

The conical pick is the most crucial tool of roadheader for breaking rock, establishing the conical pick cutting rock and conical pick fatigue life numerical simulation models to investigate the ...

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.

A driveway with a trailer full of agates. Recycling bins full of agates. A license plate that reads “MRAGATE.” Agates when you walk through the front door. And an agate that just came in the mail. For ...

Agates are formed from silica solutions filling gas bubbles in lava rocks, creating bands of color. The best time to find agates in Michigan is after a storm. Popular Michigan agate hunting locations ...