Pink, green and blue tourmaline, aquamarine beryl and deep red garnet, purple amethyst and sparkling lepidolite — they all lie buried in Maine granite. To find them, all you have to do is dig — and ...

Popular rockhounding areas along the Columbia Basin in Washington are hot spots for agates and fossils. The gemstone Carnelian is considered an agate. Courtesy WA Department of Natural Resources ...

MOJAVE TRAILS NATIONAL MONUMENT, Calif. — If dyed-in-the-wool rockhound Gregor Losson takes you to his favorite mineral hunting grounds, be prepared to set out before sunrise in his four-wheel-drive ...

What is now desert was once under water, back when giant marine reptiles swam freely in a shallow sea that would later become Nevada’s Great Basin. Major geological activity happened, making way for ...