Regency 18ct Gold, White Coral & Turquoise Baroque Design Tie Pin

An interesting tie pin that has a highly detailed Baroque design in 18ct75% pure gold (or 750 parts pure gold and 250 parts other metals) gold set with turquoiseTurquoise is an opaque gem and is often formed in what is called matrix, a black or brown veining derived from the host rock in which the gem forms.  In fine jewellery, unblemished sky blue turquoise is the ideal, although regularly patterned matrix turquoise is also sought-after. with white coralAn organic gem, calcium carbonate with a trace of carotene, deposited by tiny sea creatures living in the depths of warm seas in huge colonies. It grows in branches that look like underwater trees. Coral is believed to be one of the oldest forms of gemstone jewellery, with some pieces dating back as far as 23,000 BC. inside. It was made circa 1830 and looks very stylish when worn