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

DULUTH — About 1.1 billion years ago here, fissures opened in the surface of the earth, depositing lakes of molten rock near what would eventually be the Twin Ports and Lake Superior. This is ...

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 ...

Is there a month that's more "green" than May? Spring has sprung, flowers are blooming and the hillsides are covered in lush grass. Fittingly, the gorgeous green emerald is a perfect May birthstone to ...