TUCSON (KGUN9-TV) - The Tucson Gem, Mineral, and Fossil Showcase is off and running for its 62nd year, many of the 45 shows opening Saturday. "This is the premier location for the display and sale of ...

Rubies, emeralds and tourmalines can only sparkle with the right cut. Since early this year, a fully automatic machine has undertaken this grinding process one gem cutter. It saves up to 30 percent of ...

* Photo: Corbis * Getting a perfect diamond or ruby from a raw stone has always been more art than science. Each gem must be meticulously cut and polished by hand. The problem: It can take up to four ...

LITTLE ROCK -- Visitors find small diamonds at the Crater of Diamonds State Park in Murfreesboro fairly often. More than 200 have already been claimed this year, more than 30,000 have been discovered ...