The annual Cincinnati event offers a marketplace and educational experience centered on rocks, minerals, fossils, gemstones, and related lapidary arts. Vendors and enthusiasts gather to buy, sell, trade, and display a diverse collection of geological specimens and handcrafted jewelry.
This regional gathering promotes earth science education and fosters a community of collectors and artisans. It provides opportunities for learning about mineralogy, geology, and the processes involved in creating jewelry and decorative objects from natural materials. Historically, such events have played a significant role in popularizing earth sciences and supporting the growth of related hobbies and small businesses.