Saturday, November 21
Jeffco Mineral Show
Saturday, November 21 · 10 a.m.-5 p.m. · Exhibit Halls at Jeffco Fairgrounds
- When
- Saturday, November 21 · 10 a.m.-5 p.m.
- Where
- Exhibit Halls at Jeffco Fairgrounds15200 W 6th Ave · Golden, CO · 80401
- Good to know
About this event
**Jeffco Mineral Show**
The annual **Jeffco Mineral Show** returns November 20, 21, and 22, 2026, at the **Jefferson County Fairgrounds**!
**FREE ADMISSION — Everyone is Welcome!**
Discover something fascinating at the Jeffco Mineral Show, featuring **20+ vendors** with an incredible variety of **minerals, fossils, gemstones, crystals, and more**.
Whether you're a longtime collector, a rock enthusiast, or just looking for a fun family activity, you'll find plenty to explore. Browse unique specimens, discover beautiful gemstones, and experience the fun of **geode cracking**—crack open a geode and see what treasures are hiding inside!
Come shop, explore, learn, and discover something new at this annual Colorado mineral show.
**Show Hours:**
**Friday, November 20:** 10 AM–5 PM
**Saturday, November 21:** 10 AM–5 PM
**Sunday, November 22:** 10 AM–4 PM
**Jefferson County Fairgrounds** **20+ Vendors • Minerals • Fossils • Gemstones • Geode Cracking • FREE ADMISSION**
Listed by CitySpark: Lakewood, CO, gathered by the Lafayette events calendar.