This year, the Colorado Mineral & Fossil Fall Show promises to be a captivating experience as Barlow’s Gems unveils a remarkable sneak peek of the newly acquired Kirkby Collection of American Petrified Woods. Barlow’s Gems will be located in Tent 1, space 101, outside the Delta Hotel. This extraordinary collection showcases stunning petrified wood specimens that were self-collected over several decades, from the 1930s to the 1970s, offering a glimpse into the rich tapestry of American geological history. The unique beauty of petrified wood tells a story of time and transformation.
In addition to this exclusive preview, attendees can marvel at the Barlow’s renowned wall of designer cabochons, a vibrant display of meticulously crafted stone that highlights their artistry and expertise. Alongside these striking cabochons, visitors will discover a diverse array of polished rocks, slabs, minerals, crystals, and intricate animal carvings, as well as a wide range of budget-friendly cabochons that don’t sacrifice quality in their thriftiness.
With over 43 years of dedicated experience in the gem and mineral industry, Bruce and Debbie Barlow bring unparalleled knowledge and passion to the show. Bruce is a proud holder of a Graduate Gemologist diploma from the prestigious Gemological Institute of America (GIA). Both Barlows are devoted lapidary artists and avid rockhounds, celebrated for their deep understanding of the intricacies of gemstones and minerals.
True rockhounds, much of the rough material that the Barlows transform into stunning cabochons is self-collected, a testament to their adventurous spirit. Their recognition during the late 1980s and early 1990s for crafting beautiful Chrysocolla-Malachite specimens while working under contract with the Bagdad Copper Mine further solidified their reputation in the field. “Bruce is famous for skillfully cutting and polishing massive rocks, some weighing several hundred pounds,” shares Debbie, highlighting one of his many unique talents.
Beyond the Colorado Mineral & Fossil Fall Show, the Barlows operate The Rock Yard during the annual Tucson Gem Showcase, a cherished destination for lapidary artists and collectors alike. Known for its vast and varied selection of rough materials, The Rock Yard is a treasure trove where enthusiasts can find unique and abundant rough rock specimens. Due to the logistical challenges associated with transporting such a large inventory, this extensive selection will not be available at the Colorado Mineral & Fossil Fall Show.
Additionally, the Barlows participate in the Dealer’s Tucson Fall Gem & Mineral Showcase and hold an open house at The Rock Yard during that time. For those unable to attend in person, the Barlows maintain a selection of informative websites to showcase their vast array of offerings. Visit oakrocks.net for rough and polished materials, barlowsgems.net for exquisite designer cabochons, and therockyardtucsongemshow.com for detailed information about their Tucson venue.
This year’s Colorado Mineral & Fossil Fall Show is set to take place at the newly established Delta Hotels Denver Thornton, conveniently located at 10 E. 120th Avenue in Northglenn, Colorado. The event will open its doors daily from 10:00 to 6:00 (10:00 to 5:00 on the final day) from September 5th to 13th, 2025. Attendees can anticipate an exciting journey through the world of gems, minerals, fossils, cabochons, handcrafted jewelry, meteorites, metals, and more, featuring a diverse range of offerings from close to 100 high-quality vendors from around the globe.
These vendors will present both wholesale and retail price points, making it an excellent opportunity for treasure hunters and collectors of all levels. The Colorado Mineral & Fossil Fall Show is designed to be accessible and welcoming to all, offering free admission and parking to ensure a delightful experience for everyone. Like all RMGM Promotions shows, The Colorado Mineral & Fossil Fall Show is a family-friendly event, welcoming attendees of all ages and encouraging families to explore, learn, and enjoy the fascinating world of gems, minerals, and fossils together.
RMGM Promotions, founded initially as Rocky Mountain Gems and Minerals, began in Colorado with a passion for minerals and a determination to create high-quality gem and fossil shows. After weathering a snowstorm during their first event, the company gained recognition for resilience and creativity. In 2015, Sandra Gonzales—an experienced mineral enthusiast and organizer—purchased the shows from longtime promoter Martin Zinn and rebranded the company as RMGM Promotions. Under her leadership, the company has expanded to include multiple shows across Colorado, Tucson, and Texas, all known for their welcoming atmosphere, quality vendors, and commitment to education and community.
For additional information, including a map to the Delta Hotel, a list of vendors, and the Show layout, visit the Colorado Mineral & Fossil Fall Show profile page on Xpo Press.