The fired Veterans of Foreign Wars quartermaster Cheryl E. Campos, 61, used the money to buy a collections of gems and ...

Gem and mineral enthusiasts gathered at the Waterloo Center for the Arts on Sunday for the Black Hawk Gem and Mineral Show.

This mineral tends to be bought by gem or mineral collectors. Cut amblygonite gems almost never weigh more than 10 carats.

From brilliant blues to fiery reds, discover how nature crafts diamonds in every color, and why some shades are rarer than ...

Jeffrey Post, curator of the Smithsonian’s National Gem and Mineral Collection, says the size of the Dom Pedro Aquamarine is “unprecedented.” Donald E. Hurlbert/ NMNH, SI You start with the ...

Silent auctions added an extra layer of excitement, as attendees placed their bids on rare and unique pieces, hoping to take ...

For many, collecting rocks is a treasure hunt ... s biggest gathering of rockhounds during the annual Kansas City Gem & Mineral Show, presented by the Association of Earth Science Clubs of ...

Get ready to uncover natural treasures and spark curiosity across generations — the 62nd Annual Fort Collins Rockhounds Gem and Mineral Show is back this weekend at the Larimer County Fairgrounds.