Vintage Sterling Silver Blue John Brooch Large Whole Gemstone Big Fluorite Bleu Jaune Womens Rare Gemstone Jewelry Jewellery Retro navette ring DESCRIPTION: A highly unusual and

DESCRIPTION: A highly unusual and rare antique Mid Victorian shell cameo brooch

The shank of the ring has been replaced as some point in the items life

DESCRIPTION: A vintage fairly large sterling silver locket

46g and the clasp opens/closes tightly

Vintage Sterling Silver Blue John Brooch Large Whole Gemstone Big Fluorite Bleu Jaune Womens Rare Gemstone Jewelry Jewellery Retro navette ring DESCRIPTION: A highly unusual andDESCRIPTION: A genuine vintage sterling silver blue john brooch. The gemstone is not a doublet or triplet, it's a whole piece of blue john. The item weighs approx. 6. 05g and the size dimensions are in the later photos. It's hallmarked for sterling silver, dating to 1987. 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.