21st Annual Prescott Gem & Mineral Show Sponsored by Prescott Gem & Mineral Club The largest indoor gem & mineral show in Northern Arizona! Over 75 vendors offering Gem & Mineral related products including mineral specimens, beads, slabs, cabochons, crystals, fossils, gem rough, meteorites, fine jewelry, lapidary and jewelry making demos and classes, kids' area, fluorescent exhibit, raffle and more!