Silver blue john marcasite three pear drop necklacen998 this stunning pendant features three slim pear drop shaped hand carved blue johngemstones set at the heart of sterling silver and marcasite frames a very eye catching pendant with a vintage feel this piece uses only the finestblue johnstone which has been source directly from treak cliff cavern in castleton the pendant hangs beautifully from a fluid 46cmsilver chain all our blue john jewellery is designed and crafted within our v