U.S. Forest service roads zigzag through the mountains and wooded landscapes of the Ochoco National Forest. Getting the full scope of the lands that spread over 845,000 acres east of Prineville begins ...

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 ...

Jan O’Neil patiently rifled through piles of rocks Friday morning north of Cloquet. As she hunted for agates, quartz and jasper (her favorite), dust rose from the pile. She sprayed a rock with water ...

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 ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. Ornamental hard stones such as malachite, turquoise and lapis lazuli have been part of the jewellery vocabulary ...