There are about 6,000 different types of minerals, but only a couple hundred are gemstones. Learn more about these special minerals and how someone like you can find your own gemstone. Science Trek is ...

Science enthusiasts, mineral lovers and those interested in astronomy alike can find multiple events in Tucson that shine a spotlight on the scientific world. These events include an asteroid sample ...

It’ll be a snap to identify gemstones once Robert Downs finishes his library of spectral fingerprints for all the Earth’s minerals. Downs is almost halfway there. So far, the associate professor of ...

If you’re not a geologist, a trip to the Tucson Gem Mineral and Fossil Showcase might just be a blur of glittery rocks and expensive jewelry. But with some of the world’s finest gems, minerals and ...

WEST SPRINGFIELD — Collectors, sellers, and buyers alike will travel from all over the country to attend this weekend’s East Coast Gem, Mineral & Fossil Show, while for some who live in the region it ...

Dinosaurs haven't roamed Southern Arizona for millions of years. But over the next few weeks, the past will come alive. The Tucson Gem, Mineral & Fossil Showcase, known around town simply as the gem ...