Denver Coliseum Colorado Minerals, Fossils ,Gems and Jewelry Show

Colorado Minerals, Fossils & Gems Show 2026
September 11–20, 2026 — Denver Coliseum, Denver, Colorado

The Colorado Minerals, Fossils & Gems Show (CMFGS) returns to the Denver Coliseum from September 11 through September 20, 2026, bringing together an extraordinary selection of minerals, fossils, gemstones, jewelry and geological treasures from around the world.

Location:
Denver Coliseum
4600 N Humboldt St
Denver, CO 80216
Denver, Colorado, USA

Dates: September 11–20, 2026
Hours: Daily, 9:00 AM–6:00 PM
Admission: FREE
Parking: FREE

FREE Dinosaur Exhibition
A major attraction of the 2026 edition is the free dinosaur exhibition, featuring a spectacular 65-foot-long Diplodocus skeleton.

Visitors will also be able to discover additional dinosaur skeletons, including Tyrannosaurus, Utahraptor, Spinosaurus, Carcharodontosaurus, Tarbosaurus and Deinonychus.

The dinosaur exhibition is designed as a memorable experience for visitors of all ages and adds a major paleontological attraction to one of Denver’s major mineral, fossil, gem and jewelry events.

Discover Minerals, Fossils, Gems & Jewelry
Visitors can explore a broad selection of:

Minerals and rare mineral specimens
Fossils
Dinosaur specimens
Gemstones
Fine and collectible jewelry
Crystals
Meteorites
Beads and lapidary materials
Geological specimens
Collectible and decorative pieces
The show welcomes collectors, families, students, museums, designers, jewelry enthusiasts, geologists, paleontology enthusiasts and anyone interested in the natural history of our planet.

The CMFGS is promoted as one of the largest and most popular mineral, fossil, gem and jewelry shows in Denver.

Official website: https://colorado.show

Organizer: CMFGS — Colorado Minerals, Fossils & Gems Show