Each vein has its own characteristic colour and banding of blue, purple, yellow and white, with there being currently 14 known different veins. Blue John Stone expert and retired Senior Geology ...

Dior Joaillerie, Van Cleef & Arpels and Pomellato are using the dazzling blue stone in new jewellery, while Bulgari, Zenith and Gerald Charles are incorporating it into luxe watches.

A vein of Blue John stone has been found in Derbyshire, 150 years after the last discovery. ... Each vein has its own colour and banding of blue, purple, yellow and white.

A "lost" vein of rare Blue John stone has been rediscovered in a Peak District cavern after a 68-year search. In 1945, miner John Royse reported finding an "amazing deposit" in Treak Cliff Cavern, ...

Turquoise has been mined for at least 70 years in central Nevada -- so much that the state once was considered the nation's capital for production of the typically pale blue stone.

A vein of Blue John stone has been found in Derbyshire, 150 years after the last discovery. ... Each vein has its own colour and banding of blue, purple, yellow and white.

A "lost" vein of rare Blue John stone has been rediscovered in a Peak District cavern after a 68-year search. In 1945, miner John Royse reported finding an "amazing deposit" in Treak Cliff Cavern ...