Event Gem and Mineral Show 🕗 Sat, 26 Jul, 2025 at 09:00 am to Sun, 27 Jul, 2025 at 03:00 pm (MDT) 📍 Central States Fairgrounds Event Center, Rapid City, South Dakota, United States Advertisement Family friendly event.I'm interested Advertisement Created by: Share with someone you care for! View all events in Rapid City-SD Best of Rapid City-SD Events in Your Inbox Subscribe to event updates Unsubscribe from updates