Our world-famous, winter "gem show" has spawned a smaller cluster of "fall gem shows," including both wholesale gem and lapidary shows and open-to-the-public bead shows. For more information, go to visitTucson.org, under Visitor/What to Do/Events/Major Events, or click on the following link. Tucson Gem, Mineral & Fossil Showcase, (520) 624-1817.