| http://www.w3.org/ns/prov#value | - Tucson Gem, Mineral & Fossil Showcase Feb.01, - Feb. 16, This international marketplace of gems, minerals, fossils, beads and jewelry-making supplies as well as museum and collector exhibits and other treasures composed of more than 40 different locations across town, including the show that started it all, the Tucson Gem and Mineral Show at
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