Explore / North America / Minnesota
Minnesota
Cuyuna Range binghamite, Crosby
Gem locality Documented siteGray area
What you could find
Reported finds from this ground.
Agates and jasper
Nails and fittings
Crystals and mineralsAlso reported: binghamite, silkstone, hematite.
Photos via Wikimedia Commons: Teerui (Public domain), North Lincolnshire Museum, Martin Foreman, (CC BY 2.0), Stephanie Clifford from Arlington, VA, USA (CC BY 2.0).
Why this spot
Iron range dumps yielding binghamite and silkstone, fibrous quartz after goethite
Binghamite is a recognized Minnesota lapidary material from these dumps.
Before you go
Hazards noted for this site.
steep dumps, deep pit lakes
Keep exploring nearby
More spots in this area.