Coral Synthetic Cabochons is supreme quality of coral gemstone. It attains the brilliant color, brightness and astrological properties which let it stand apart from the other grades of this gemstone. It is extremely hard to find a high quality coral gemstone. It is composed of intermeshed spicules of hard calcium carbonate, colored in shades of red by carotenoid pigments. Coral Synthetic Cabochons Increases the Confidence and Courage. The red coral gemstone, symbol of the royal god of war, Mars. The red coral gemstone, symbol of the royal god of war, Mars. It`s only natural that such a gem would inherently equate confidence and courage. Order online for best Coral Synthetic Cabochons at low prices.