Blue John is a purple to violet blue banded hardstone, found only in Castleton area, a village in the High Peak district of Derbyshire, UK. The stone is said to have been mined since the Roman times, more likely mining commenced in the mid 1700s. Blue John reached its peak of fashion during the Regency period in the early 1800s, and examples are displayed at Buckingham Palace and Chatsworth House. Derbyshire Blue John is made into decorative items such as bowls, urns and vases and used in jewellery manufacture, within the town of Castelton, but similar items are available stone from stone mined in China.. In 2015 the BBC reported a new vein of the stone had been discovered in the Castelton area, the first in 150 years.
9 items found:
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