42nd Annual Gem & Mineral Show 

July 26 - 27, 2025

Saturday 9 am-5 pm / Sunday 9 am-3 pm

 

Nerdy Nuts Expo Building (former Soule Building)
Central States Fairgrounds
800 San Francisco Street

Rapid City, South Dakota

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      Admission $5.00 - Children 12 and under FREE

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Vendors / Speakers / Demonstrators / Children’s Activities / Fluorescent Minerals  

Jewelry / Silent Auction / Door Prizes 

Free rock and mineral identification

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Vendors offering rocks, fossils, gemstones, mineral specimens, jewelry, lapidary tools & supplies.

 

Purchase a cabochon and have it wrapped your way while you wait