Vintage Sterling Silver Blue John Ring Oval Cabochon Signet Fluorite Gemstone Bleu Jaune Rare Gemstone Jewelry Jewellery fenton brooch The item is finished with

The item is finished with hand engraving which is a nice touch

adorned with a genuine agate quartz gemstone (100% tested)

The earrings are stamped "9ct" and have an antique patent mark on the rear

The hinge has a small section missing on the top pin cover

55g and is fully hallmarked for 9ct gold

Vintage Sterling Silver Blue John Ring Oval Cabochon Signet Fluorite Gemstone Bleu Jaune Rare Gemstone Jewelry Jewellery fenton brooch The item is finished withPLEASE NOTE: THE BLUE JOHN HAS A LARGE CHIP READ BELOW FOR MORE DETAILS. DESCRIPTION: A lovely vintage sterling silver and genuine blue john gemstone ring. Blue John is an extremely rare mineral and can only be found in Derbyshire in the UK, it is in fact Britain's rarest mineral. The ring sizes at approx. UK N or US 6. 5, weighs approx. 2. 01g and is fully hallmarked for sterling silver, dating to 1989. PLEASE NOTE: The Blue John is chipped at near