Blue John Cavern and Mine Outdoors
Blue-John is a unique and beautiful fluor-spar found only in Castleton. The mineral is found in veins in the limestone deep within the Blue John Cavern where it has been mined for centuries. Thought to have been named "Blue John" by John Kirk and Joseph Hall who worked the mines in the 18th Century, it is the rarest natural formation in the British Isles. The Blue John cavern at Castleton is world famous. It is home to eight of the fourteen known varieties of Blue John Stone, a beautiful and ornamental fluor-spar. The mineral has been mined here for centuries and continues to be so in the winter months.
See the Waterfall Cavern and the Grand Crystallized Cavern with its multi-coloured dome. Visit Lord Mulgraves Dining Room where his Lordship entertained miners, and where fine veins of Blue John can be seen in their natural state in the limestone. Stand in the Variegated Cavern approx. 200 feet high and 30 feet wide.
AddressBuxton Road, Castleton, Derbyshire, S33 8WP
Opening times9.30am - 5pm
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