First Blue John vein in 150 years found in Derbyshire Peak District
A vein of Blue John stone has been found in Derbyshire, 150 years after the last discovery. The rare mineral, only found beneath Treak Cliff Hill, near Castleton in the Peak District, is so called because of its distinctive colour. The new vein has been named the Ridley Vein after Gary Ridley, the miner who found it after attempting a new mining method with a stone chainsaw. Read more