63rd Tucson Gem & Mineral Show®: Mineral Treasures of the Midwest
Tucson Gem and Mineral Society presents Tucson's first and longest-running gem and mineral show, with displays centered on the 2017 theme "Minerals of the Midwest" at Tucson Convention Center. The Tucson Gem and Mineral Show® features retail dealers, special and guest exhibits, educational area, and free lecture series held in Turquoise-Crystal Ballrooms (free to the […]