GOLDEN VALLEY, Minn. - Minnesota's state gemstone is the Lake Superior agate, and for years it has fascinated those young and old. In response to a viewer question from our kiosk at the Science Museum ...
Lake Superior agates often feature a brownish-red exterior that may be pitted and slightly translucent. They’re easiest to ...
Giant agates found in an island on Panama’s Pacific coast prompted a study on how the Isthmus evolved and became a bridge between two continents Vanessa Crooks Sea conditions in the Pearl Islands can ...
What makes Lake Superior agates so special? Formed in and around the lake during volcanic eruptions about a billion years ago, these gemstones were distributed across the landscapes of northeast ...
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 ...
No one makes eye contact. They're too intent on the ground, searching for one of Central Minnesota's oldest buried treasures: Lake Superior agates. Butch Goldenstein figures he's found hundreds of ...
Tom Woodden can't hide his enthusiasm for agates. He sits on the edge of a chair in the dining room of his Rapid Valley home recounting the 40-year journey that has fueled his enthusiasm for agates - ...
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