Experience the natural beauty of Blue John, one of Britain’s rarest and most collectible crystals. This 49g polished slice highlights the stone’s signature bands of deep purple, soft violet, and warm golden tones — colours found exclusively in the historic Blue John Caverns of Castleton, Derbyshire.
 
Highly valued for its protective energy, emotional clarity, and calming presence, Blue John is a must-have for collectors and crystal enthusiasts. Pieces of this weight and pattern are increasingly hard to find, making this slice a truly special addition to any collection.
 
Perfect for:
• Crystal displays & home décor
• Meditation and healing practices
• Collectors of rare British minerals
• Unique handmade gift ideas
 
Own an authentic piece of UK crystal heritage — a stunning 49g Blue John slice full of character and colour.