Agate coasters make for a stylish way to protect surfaces from water rings and stains. Their natural beauty adds an element ...

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 ...

Along with the ancient volcanic gems they seek, Oregon’s agate-hunters can be spotted year-round across the state’s shores and watersheds. “Only look right in front of you,” Seana Sutton said, her ...