“Every rock tells a story,” he said. “I can look at a rock and tell you if it was formed in a volcano or it was in a collision of continental plates.

He knew the rock at Castlewood to be the same, 34-million-year-old rock defining Castle Rock and other buttes and mesas along Interstate 25 between Denver and Colorado Springs.

What are the easiest gemstones to find in rocks and creeks? Let’s find out here. Gemstones form under conditions of high pressure and temperatures as minerals within the rocks, or form as ...

Fossil-hunters and rock collectors will love Cedarburg's The Gem Shop and Dane County's Cave of the Mounds.

Harold Van Pelt is known worldwide for taking illuminating photographs of gems and minerals. However, he’s not as well known for the delicate carvings he makes out of the precious rock. It&#8… ...

Kids and kids at heart will have a chance to see rocks in all their many forms — including as the centerpieces of fine jewelry — at East Texas Gem and Mineral Society's annual Gemstone and ...

Wire wrapping, geode cracking, and a collection of shiny rocks and gems will be on display for all to see at the 45th annual Gem and Mineral Show.