Known for their colors and patterns, collectors are often amazed at agates that turn up on Upper Peninsula lakeshores, with some known to be up to 20 pounds, according to the Michigan Department of ...

A Duluth store known for paying cash for agates is closing Friday. Fragments of History owner Terry Roses of Duluth is retiring after 12 years of trading agates, rare coins, gold, and silver. (Photo ...

With the gales of November rolling in, anyone ready to bundle up in raincoats and waterproof boots may have luck spotting Lake Superior agates and other cool rocks. Late-fall weather already whipped ...