Where: Tucson Convention Center, 260 S. Church Ave.
When: 10 a.m.-6 p.m., Feb. 9-11; 10 a.m.-5 p.m. Feb. 12.
Cost: $13.
Gem & Mineral Show
In a few days, thousands of people from across the world and across the street will converge on the Tucson Convention Center and 44 scattered …