Vintage 9ct Gold Blue John Ring Solid 9k 9kt 375 Yellow Signet Cabochon Oval Fluorite Bleu Jaune Womens Rare Gemstone Jewelry Jewellery wave link There are some square marks

There are some square marks on one face and the bail has worn where a chain has rubbed

it just has some play in it when open

in the shape of a clover

PLEASE NOTE: THE ITEM WOULD'VE ORIGINALLY HOUSED A COMPASS

It clicks shut and is stamped "9ct"

Vintage 9ct Gold Blue John Ring Solid 9k 9kt 375 Yellow Signet Cabochon Oval Fluorite Bleu Jaune Womens Rare Gemstone Jewelry Jewellery wave link There are some square marksDESCRIPTION: A lovely vintage solid 9ct gold genuine blue john ring. Blue john is an extremely rare mineral and can only be found in Derbyshire in the UK, it's in fact Britain's rarest mineral. The ring sizes at approx. UK O. 5 or US 7. 25 and weighs approx. 1. 81g. It's fully hallmarked for 9ct gold, dating to 1988.