Gem and Mineral Exchange

We are Gem and Mineral Enthusiast with a focus on Earth Sciences of all kinds, Geology with it's many faces. We produce content that is Exciting, Educational and Entertaining to other enthusiasts around the World. Based out of Tucson Arizona a Fabled Place in the Gem and Mineral world. We enjoy creating content about and learning about, the wonders of the Earth. Our Web Sites at Tucson Mineral Mile and Gem and Mineral Exchange are a testament to our dedication with an incredible amount of content we have created over more than a quarter century.