Castleton, Derbyshire
Videos
Castleton is a village and civil parish in the High Peak district of Derbyshire, England, at the western end of the Hope Valley on the Peakshole Water, a tributary of the River Noe, between the Dark P
Castleton Back Street geograph.org.uk 5469251
Peveril Castle geograph.org.uk 7498088
St Edmund's Church, Castleton geograph.org.uk 5460618
St Edmund's Church in a 1955 snowfall
Blue John (mineral)
Videos
Blue John is a semi-precious mineral, a rare form of fluorite with bands of a purple-blue or yellowish colour. In the United Kingdom it is found only at Blue John Cavern and Treak Cliff Cavern at Cast
Castleton, Derbyshire
…local caverns, four of which are now open to the public as Peak Cavern, Blue John Cavern, Speedwell Cavern and Treak Cliff Cavern. A small amount of Blue John is mined locally and sold in local gift shops, one of which is located in the 17th-century tollhouse. Since the 1920s the main mineral industry in the…
Bowl made from Derbyshire Blue John, on display in Castleton Visitor Centre
French candelabra crafted of Blue John, c. 1860
Vein of Blue John Fluorite in Treak Cliff Cavern
Blue John seams in Blue John Cavern