Main Ave Fossil & Mineral Show

Visit Main Ave During the Tucson Gem & Mineral Show

Just follow Oracle Rd South to Drachman and you will find yourself in the heart of Tucson's Fossil & Mineral District. Look for the T-Rex building on your left immediately after the pre-school.

Fossils, Minerals, Ammonites, Geodes, Druzy, Crystals, & More

With a wide variety of merchandise at a wide range of prices, we have something for everyone. Kids will love the assortment of interesting minerals and ancient sea fossils, while adults will marvel at elegent crystals and giant geode cathedrals.

Merchandise from Morocco, Madagascar, Brazil, Uruguay & India

Visit the GMI Showroom inside the T-Rex building to find a wide assortment of unique crystals and minerals from Brazil and Uruguay.

Also be sure to see Superb Minerals India, Madagascar Imports SEAM, and our "Moroccan Dealers' Villiage," almost twenty individual exhibitors from Morocco.