Nancy Guthrie remains missing and authorities have not been able to locate the 84-year-old yet. She was reported missing by her family, which includes TODAY show host, Savannah Guthrie, on February 1.

The Gemological Institute of America (GIA) recently examined an exceptionally faceted, 0.59-carat armenite stone. The GIA received an octagonal step-cut, near-colorless stone at its laboratory in ...

TUCSON, Ariz. (KGUN) — The 71st Annual Tucson Gem and Mineral Show at the Tucson Convention Center (TCC) wrapped up Sunday after bringing visitors and vendors from around the world to southern Arizona ...

Getting your Trinity Audio player ready... Visitors to the Denver Museum of Nature & Science have two months to enjoy one of the City Park institution’s most famous exhibitions before it disappears — ...

TUCSON, Ariz. (KGUN) — In Tucson, the “gem show” can feel like its own season. From late January into mid-February, pop-up markets and mineral sales dot parking lots and hotel ballrooms across the ...