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 6.5ct Freeform Blue John Cabochon is the yin, to your yang. You've found what you're looking for.
Inventory Last Updated: Mar 08, 2021
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