Blue John Cavern
Blue John Cavern is a famous show cave near Castleton in the Peak District. The ‘Blue John’ mineral deposit the cave is famous for is used to make jewellery and other ornamental objects, which can be bought locally. The mineral deposits are still being mined today and there are several rich seams within the cave, each of which has a name. Mining activities take place over the winter months when the cavern is closed. The miners dig out the stone from the limestone walls and clay beds. It is then…
Read More