Welcome to the Pueblo Gem and Mineral Show, the most diverse of the Tucson Shows. The Pueblo Show has been one of the premier gem & mineral showcases in Tucson, Arizona, for over 35 years. Located in the "Golden Triangle" of the downtown Tucson gem shows, The Pueblo Tucson Gem & Mineral Show is known for its unique setting on 8 acres amid palm trees and a manicured lawn.