When: Thursdays-Saturdays, 11 a.m.-7 p.m. Continues through Feb. 12 2011
Gems of History, celebrating the Tucson Gem, Mineral and Fossil Showcase with a related exhibit of crafts, photos and trinkets, closes Saturday, Feb. 12. Hours are 11 a.m. to 7 p.m., Thursday through Saturday; and by appointment. Free. Call for more information.