Vintage Sterling Silver Blue John Pendant Necklace Doublet Gemstone Flourite Charm Border Womens Mens Rare Gemstone Retro Jewelry vintage cufflinks It opens/closes tightly and and

It opens/closes tightly and and weighs approx

The ring is stamped "18ct"

PLEASE NOTE: The necklace is made of two different style curb link chains

The monogram side has a dent in the border

this has worn showing the gold tone base metal underneath

Vintage Sterling Silver Blue John Pendant Necklace Doublet Gemstone Flourite Charm Border Womens Mens Rare Gemstone Retro Jewelry vintage cufflinks It opens/closes tightly and andDESCRIPTION: A vintage sterling silver and genuine blue john doublet necklace pendant. The pendant is fully hallmarked for sterling silver, dating to 1976. It weighs 5. 43g 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. PLEASE NOTE: The Blue John doublet has fogged with age and use, therefore it looks a bit