So we've put together this guide to help you make sense of what Visit Tucson calls 'the world's largest treasure hunt.' One gem show or many? From a small gathering of gem and mineral collectors, professionals, amateurs and hobbyists in the 1970s, the winter gem show in Tucson has grown into an international annual event that draws thousands to an experience that is part museum, part shopping and entirely unique.Īnd exploring it can get overwhelming, fast.
