A lost seam of blue john stone has been rediscovered at one of the only two caverns in Britain where it can be found.
Its existence at Treak Cliff in Castleton,
Derbyshire, was rumoured nearly 70 years ago but it has now been
revealed by John Turner, 21.
In 1945 a miner called John Royse claimed to
have located a large vein of the stone and promised to tell Peter
Harrison, whose family had taken over the running of the Treak
Cliff Cavern, about the exact spot, but died before he could do
this. Mr Turner is the grandson of Mr Harrison, now 87.
The stone - a unique banded form of
fluorspar - can only be found in Derbyshire.
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