Blue John Sterling Silver Brooch Vintage
This gorgeous vintage sterling silver brooch pin is set with a Blue John stone which has been thoughtfully cut to fully maximise the beauty of this rare semi precious gemstone. Known in Cornwall as Blue John and in Derbyshire as Feldspar, this type of fluorite can display natural bands of purple, blue or yellow.
Dimensions: 3.5 x 2cm or 1.5 x 0.8 inches.
Weight: 9 grams or 5.8 pennyweight.