CLAREMORE, Okla. — A professor and a student from RSU unearthed a rare exceptionally preserved fossil gemstone. Professor Dr. Chris Shelton and RSU student Kolby Dooling discovered a preserved ...

The Smithsonian's National Museum of Natural History acquired one of the world's rarest gemstones.Natural red diamonds are some of the rarest gems on Earth, and the Winston Red Diamond is exceptional ...

The Rare Gemstone Company, a Nairobi-based gemstone specialist, has unveiled a new study detailing the growing U.S. demand for Tsavorite, the green gemstone outshining emerald in both clarity and long ...

A Carthage man may have unearthed one of the rarest gemstones in the world — not in a mine, but in his own front yard. Robert Lewis Jr. says he found an unusual black rock just steps from his home ...

NAIROBI, Kenya, Nov. 03, 2025 (GLOBE NEWSWIRE) -- Africa's leading authority on rare colored gemstones, The Rare Gemstone Company, unveils one of its most exceptional pieces in its five-decade history ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Jun 26, 2025, 02:26pm EDT Jun 27, 2025, 05:34am EDT A medieval ...

Getting your Trinity Audio player ready... A rare gemstone discovered decades ago in a now-closed Colorado mine could sell for thousands of dollars in an October auction. Bidding for the chunk of ...

Imagine this, a young gemologist frowned as she inspected a ruby. “Without documentation, this could be from anywhere,” she sighed, articulating a frustration that haunts the global gemstone market: ...

CARTHAGE, Texas — A Carthage man may have unearthed one of the rarest gemstones in the world — not in a mine, but in his own front yard. Robert Lewis Jr. says that in 2016, he found an unusual black ...

CARTHAGE, Texas -- A Carthage man may have unearthed one of the world’s rarest gemstones not in a mine, but in his own front yard. Robert Lewis Jr. said in 2016, he found an unusual black rock just ...