Tucson Gem, Mineral and Fossil Showcase
A piece of calcite stalactite is on display with many other minerals from one of the many vendors at the Main Avenue Gem Show, at 1202 N Main Ave., during the first weekend of the Tucson Gem, Mineral and Fossil Showcase.
As featured on
Dozens of shows encompass the 2017 Tucson Gem, Mineral and Fossil Showcase, capped by "the b…
Faculty concerned about changes to U of A admissions policy
