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Grape Agate: A Mineral That Looks Like Grapes
Grape agate may resemble a bunch of grapes, but this colorful mineral is actually botryoidal purple chalcedony. This food look-alike is a mineral that...
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Yooperlites: What & Where to Find Them
Yooperlites are fluorescent sodalite-bearing rocks found along the shores of the Great Lakes in Michigan’s Upper Peninsula and along Lake Superior. Collecting fluorescent rocks has...
8 Rocks Found on Lake Michigan Beaches
Lake Michigan beaches are home to the nation’s longest freshwater coastline (3,288 linear miles). Michigan is surrounded by four of the five Great Lakes...
