Bozeman, MT

The Crystal Festival gem and mineral show comes to Bozeman, Montana — the gateway to Yellowstone and one of the most geologically rich regions in North America — for a fall weekend of rocks, minerals, gems, and crystals. If you've been searching for a gem show in Montana, a rock and mineral show near Bozeman, or a crystal show in the Northern Rockies, the Crystal Festival Bozeman is the event for you. Bozeman sits in the Gallatin Valley, surrounded by the Bridger Range, the Madison Range, and the Gallatin Range — mountain ranges that expose some of the most diverse geology in the American West. Montana is famous for its sapphires — found in the Missouri River gravels and the Yogo Gulch deposit — as well as stunning garnets, agates, fossils from the Hell Creek Formation, and the legendary mineral wealth of the Butte mining district. This Crystal Festival show brings 30+ curated vendors to Gallatin County, offering collectors and enthusiasts from Bozeman, Billings, Missoula, Helena, and the greater Northern Rockies region access to a world-class gem and mineral marketplace. Browse Montana sapphires, garnets, agates, fossils, crystals, and specimens from around the globe. Kid's activities at every show. Free admission and free parking.