Vintage Blue John Sterling Silver Necklace Pendant Doublet Cabochon Oval 925 Border Bleu Jaune Womens Mens Rare Gemstone Retro Jewelry letter The rear of the pendant

The rear of the pendant is stamped "SILVER"

DESCRIPTION: A gorgeous pair of antique sterling silver moss agate earrings

There is one marcasite missing

The item opens/closes well and the gold finish is still in beautiful condition

The gold gilt finish has worn on the outside

Vintage Blue John Sterling Silver Necklace Pendant Doublet Cabochon Oval 925 Border Bleu Jaune Womens Mens Rare Gemstone Retro Jewelry letter The rear of the pendantDESCRIPTION: A petite vintage sterling silver and genuine blue john doublet necklace pendant. The pendant is stamped "STERLING SILVER", weighs 0. 87g and the size dimensions are in the later photos. Blue john is an extremely rare mineral and can only be found in Derbyshire in the UK (not far from me), it is in fact Britain's rarest mineral.