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Minnesota

Thomsonite Beach, Grand Marais, MN

Gem locality Documented sitePermission required
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What you could find

Reported finds from this ground.

Agates and jasperAgates and jasper

Also reported: thomsonite, basalt.

Photos via Wikimedia Commons: Teerui (Public domain).

Why this spot

Rockhounding locality: thomsonite in basalt amygdules, North Shore

Named North Shore locality famous for gem thomsonite, documented in guides and on mindat.View source →

Before you go

Hazards noted for this site.

Cold water, rocky shore

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.
Thomsonite Beach, Grand Marais4 km away · Mineral locality
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Cut Face Creek Wayside, Grand Marais7 km away · Agate beach or gravel
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Grand Marais thomsonite beach, Minnesota15 km away · Gem locality
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Thomsonite Beach MN: thomsonite33 km away · Mineral locality
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