
Birch Lake
Birch Lake is a mineral prospect in St. Louis, Lake, Minnesota, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Cobalt, Copper, Gold, Malachite.
View detailsMixed or specialty collecting — zeolites, fluorescent minerals, thundereggs, and unique regional finds.
19 other destinations in Minnesota.
Rockhounding sites in Minnesota — other: 19 spots in our directory. Sort live from your phone with near me, or browse all U.S. other rockhounding sites and the Minnesota state page.
Mixed or specialty collecting — zeolites, fluorescent minerals, thundereggs, and unique regional finds.
We currently document 19 other collecting sites in Minnesota. Each listing includes original descriptions, visitor notes, and last-updated dates when available.
Other destinations in Minnesota vary widely in access, season, and legality. Some are official recreation areas; others are informal gravel bars. Read the access and safety sections on each listing — never assume collecting is allowed without checking current signage.
For trip planning beyond this filter, browse the full Minnesota state page, our guides, or use near me to sort by distance from your location.
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Birch Lake is a mineral prospect in St. Louis, Lake, Minnesota, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Cobalt, Copper, Gold, Malachite.
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Bronk Quarry is a documented mineral occurrence near MN. Reported specimens include Calcite, Dolomite, Goethite, Hematite, Marcasite, Pyrite. Verify land access and collecting rules before visiting.
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Charles Lindbergh State Park is a documented mineral occurrence near MN. Reported specimens include Staurolites. Verify land access and collecting rules before visiting.
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Flooded iron mine pits of the Cuyuna Range offer clear-water diving and shorelines with jasper and hematite specimens.
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Grand Marais is a documented mineral occurrence near MN. Reported specimens include Lintonite, Thomsonite. Verify land access and collecting rules before visiting.
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Gunflint Corridor East is a known mineral occurrence in Cook, Minnesota, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Nickel.
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Gunflint Corridor West is a known mineral occurrence in Cook, Minnesota, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Nickel.
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Little Marais River is a documented mineral occurrence near MN. Reported specimens include Thomsonite, Zeolites. Verify land access and collecting rules before visiting.
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Mine (feldspar) is a documented mineral occurrence near MN. Reported specimens include Feldspar. Verify land access and collecting rules before visiting.
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Some of the oldest exposed rock on Earth, 3.6-billion-year Morton gneiss, outcrops along Minnesota River valley roads near Morton.
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Partridge River Prospect is a mineral prospect in St. Louis, Minnesota, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite.
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Pigeon Point is a documented mineral occurrence near MN. Reported specimens include Chalcocite, Chalcopyrite, Pyrite. Verify land access and collecting rules before visiting.
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Pine City is a documented mineral occurrence near MN. Reported specimens include Chalcocite. Verify land access and collecting rules before visiting.
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Pipestone National Monument Sign is a documented rockhounding destination in MN. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
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Royalton is a documented mineral occurrence near MN. Reported specimens include Staurolites. Verify land access and collecting rules before visiting.
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South Filson Creek deposit is a mineral prospect in Lake, Minnesota, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Cobalt, Copper, Gold, Malachite.
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Spruce Road deposit is a mineral prospect in Lake, Minnesota, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Cobalt, Copper, Gold, Malachite.
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Stillwater is a documented mineral occurrence near MN. Reported specimens include Tripoli. Verify land access and collecting rules before visiting.
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Thomsonite Beach is a documented mineral occurrence near MN. Reported specimens include Chlorastrolite, Lintonite, Thomsonite nodules. Verify land access and collecting rules before visiting.
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