Gem RhyoliteWI
Berlin & Utley
Berlin & Utley is a documented mineral occurrence near WI. Reported specimens include Gem Rhyolite. Verify land access and collecting rules before visiting.
View detailsGemstones rockhounding sites in Wisconsin
Facetable and collector gems — emeralds, sapphires, garnets, topaz, beryl, and tourmaline localities.
10 gemstones destinations in Wisconsin.
Rockhounding sites in Wisconsin — gemstones: 10 spots in our directory. Sort live from your phone with near me, or browse all U.S. gemstones rockhounding sites and the Wisconsin state page.
Gemstones collecting in Wisconsin
Facetable and collector gems — emeralds, sapphires, garnets, topaz, beryl, and tourmaline localities.
We currently document 10 gemstones collecting sites in Wisconsin. Each listing includes original descriptions, visitor notes, and last-updated dates when available.
What to know before you collect
Gemstones destinations in Wisconsin 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 Wisconsin state page, our guides, or use near me to sort by distance from your location.
What to pack for gemstone collecting
Alpine terrain and careful digging — compared field essentials for gem localities.
Disclosure: Gear links may earn a commission as an Amazon Associate — at no extra cost to you. Learn more.
Gem PearlsWI
Boscobel
Boscobel is a documented mineral occurrence near WI. Reported specimens include Gem Pearls. Verify land access and collecting rules before visiting.
View detailsDiamondWI
Diamond Bluff
Diamond Bluff is a documented mineral occurrence near WI. Reported specimens include Diamond. Verify land access and collecting rules before visiting.
View detailsDiamondWI
Eagle
Eagle is a documented mineral occurrence near WI. Reported specimens include Diamond. Verify land access and collecting rules before visiting.
View detailsGem PearlsWI
Grant River Beds
Grant River beds is a documented mineral occurrence near WI. Reported specimens include Gem Pearls. Verify land access and collecting rules before visiting.
View detailsDiamondWI
Gravels Of Kettle Moraine
Gravels of Kettle Moraine is a documented mineral occurrence near WI. Reported specimens include Diamond. Verify land access and collecting rules before visiting.
View detailsGem PearlsWI
Mississippi River
Mississippi River is a documented mineral occurrence near WI. Reported specimens include Gem Pearls. Verify land access and collecting rules before visiting.
View detailsGem RubyWI
Outgamie County
Outgamie County is a documented mineral occurrence near WI. Reported specimens include Gem Ruby, Gem Sapphire. Verify land access and collecting rules before visiting.
View detailsDiamondWI
Plum Creek
Plum Creek is a documented mineral occurrence near WI. Reported specimens include Diamond, Gold placer. Verify land access and collecting rules before visiting.
View detailsDiamondWI
Saukville
Saukville is a documented mineral occurrence near WI. Reported specimens include Diamond. Verify land access and collecting rules before visiting.
View details