Antique Art Deco Blue John Solid Silver Ring Oval Solitaire Signet 1920s Bleu Jaune Womens Rare Fluorite Gemstone Jewelry Jewellery t bar made from sterling silver and

made from sterling silver and adorned with an amethyst paste stone

The cameo has some age lines as to be expected with age

Blue John has as a gemstone has many natural inclusions and formation lines

The original part of the necklace is the beads and the rose gold tone base links

53g and the size dimensions are in the later photos

Antique Art Deco Blue John Solid Silver Ring Oval Solitaire Signet 1920s Bleu Jaune Womens Rare Fluorite Gemstone Jewelry Jewellery t bar made from sterling silver andDESCRIPTION: A genuine antique art deco (c1920s) solid silver and genuine blue john ring. The ring is stamped "SILVER". 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. The ring sizes at approx. UK P or US 7. 5 and weighs approx. 2. 11g.