ALBUQUERQUE, N.M. (KRQE) — It’s a “hydrated phosphate of copper,” but you may just know it as turquoise. The blue-green mineral widely regarded as a gemstone has significant deposits across the world, ...

There's a mineral so rare that only one specimen of it has ever been found in the entire world. It's called kyawthuite (cha-too-ite), a tiny, tawny-hued grain weighing just a third of a gram (1.61 ...

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 ...

Diamonds and emeralds might dominate the limelight, but there exists a world of gemstones so rare and valuable that they are the stuff of legends. What exactly makes a gemstone rare and valuable? It's ...

CARTHAGE — 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 rock ...

Africa's leading authority on rare colored gemstones, The Rare Gemstone Company, unveils one of its most exceptional pieces ...

Half a century ago, when bell-bottoms ruled fashion and disco dominated dance floors, somewhere in East Africa, Antony Zagoritis was hard at work laying the foundation for what would become a jewel in ...

Tsavorite garnet is among the world's rarest colored gemstones, found exclusively in a narrow geological belt spanning parts of Kenya and Tanzania in East Africa. The mineral's scarcity becomes ...