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 ...

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 ...

Jan O’Neil patiently rifled through piles of rocks Friday morning north of Cloquet. As she hunted for agates, quartz and jasper (her favorite), dust rose from the pile. She sprayed a rock with water ...

Four Corners Gem and Mineral Club will host a free lecture, “Agates versus Jaspers: what they are and how to tell them apart,” at 6 p.m. Monday at 2351 Main Ave. Member Tom Strain will bring examples ...