Blue John is a variety of fluorite found only in the beautiful Derbyshire Peak District around the town of Castleton where it is mined and nowhere else in the world, making it unique .
The 10ct Blue John Cabochon was built with people like you in mind. Something to keep you happy. Every. Single. Day.
Inventory Last Updated: Jan 20, 2022
Inventory Last Updated: Jan 20, 2022