The rare green gemstone, confirmed through mineral testing in Dallas to be andradite garnet or a 'demantoid.' (Elizabeth Pinkston/Panola Watchman) A Carthage man may have unearthed one of the rarest ...

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, ...

Walking into a jewelry store usually means seeing the same lineup of diamonds, gold, and maybe some sapphires if you’re lucky. Precious metals and classic gemstones have dominated the market for ...

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 ...