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 . This material has been treated in pine resin to stabilise it.
The 10ct Freeform Blue John Cabochon is a sensational customer favorite, and we hope you like it just as much.
Inventory Last Updated: Mar 08, 2021
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