Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Collecting rocks and minerals has a long history. Collections ...

Rocks in the Gillespie Museum’s fluorescent room are a popular attraction for visitors. When exposed to ultraviolet light, the plain rocks glow with hot pinks, blues and other colors. Stetson ...

As a young boy, Dr. James Gebel grew up in Cincinnati, Ohio, where he built his childhood mineral collection of mostly Mexican and Southern Illinois specimens, as well as self-collected wonders of ...

All that glitters ... might be rock. Collector Marc Weill (center), with adviser Dennis Tanjeloff (left) and partner Daniel Trinchillo, the "Indiana Jones" of the operation. Together, they've amassed ...

It’s a question posed by a television game show that most adults don’t want to have answered. “Are you smarter than a fifth-grader?” So when Bill Case asks a group of fifth-graders, and accompanying ...

An X-ray image of a beryl crystal showing the symmetry of the crystal structure. X-ray images like this one were first used to show that the atoms that make up crystals are symmetrically arranged. The ...

You might say that Linden Hall rocks. It all began with some old, dirty rocks stored away in a box in the school archives. They had been moved all over the Lititz private school for girls through the ...

A.K. Miles of Salem spent summers as a little girl traveling the Pacific Northwest with her grandparents, collecting rocks and helping her great-grandfather cut and polish them in his lapidary shop.

It’s that time of year again, Tucson. The annual gem shows have begun, and people from all over the world are preparing to ...