Annual Rock and Gem show October 4th and 5th
2025 rock, mineral, fossil, gem and jewelry show. October 4th 9-5 October 5th 9-4. Rock Island County Fair Grounds 4200 Archer Drive East Moline, Illinois. Vendors (over 40) from all over the USA. Biggest show in the Quad Cities Area EVER! Silent Auctions, Cracking Geodes from around the world, Pan for treasures in the Sluice, learn how to flint knap and food and drinks available on site. Admission $1 kids under 12 free.