A rare piece of Colonial Silver sold for £6,000 in the Jewellery, Watches and Silver Sale at Tennants Auctioneers on 10th ...

A rare 18th-century Jamaican silver waiter has sold for £6,000 at Tennants Auctioneers in Leyburn, North Yorkshire.

(IDEX Online) - The Gemological Institute of America (GIA) is expanding its origin-determination services to include opal, peridot, and demantoid garnet from January. The origin of these gemstones can ...

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 ...

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 ...

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 ...

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 ...