Crater of Diamonds State Park in Arkansas is the only state park in the U.S. where you can dig for diamonds and keep them. You'll also be able to find gems like quartz, agate, garnet, and jasper ...

Designers say local materials reduce their environmental impact and are aesthetically pleasing, too. By Rachel Garrahan Gray-white billows swirl across the surface of an agate ring in Sian Evans’s new ...

Four Corners Gem and Mineral Club will host a free lecture, “Agates versus Jaspers: what they are and how to tell them apart,” at 6 p.m. Monday at 2351 Main Ave. Member Tom Strain will bring examples ...

Mineral deposits can create markings that look like forests or mountains, and experts say each stone is distinctive. By Jill Newman When Tarun Adlakha displays a dendritic agate, with its finely ...

K.T. Myers (left) and Guy DiTorrice, both of Newport, search for agates and fossils in a creek near Newport's Beverly Beach State Park. (Joe Hansen/Special to The Oregonian) Joe Hansen, Special to the ...