Spring 2026 Rock, Fossil and Gemstone Auction

We scoured the annual Tucson gem and mineral shows on their opening days for the most beautiful, highest-quality and unique rocks, gemstones and fossils. We returned with amazing and outstanding specimens and now offer them to you in this auction. Be prepared to bid on the very best malachite from the DR Congo, radiant labradorite and ammonites from Madagascar, top-notch vivianite from Brazil, translucent selenite from Mexico, museum-grade cubic fluorite from Nigeria and other rarities. The auction also contains a recently acquired collection of American fossils. Our auction will take place on Sunday, April 26, 2026, at 10am PST (12pm...