>>Click to enlarge (Size: 74,138 bytes)<< The art of cameo engraving can be traced back to the ancient Greco-Roman Empires. Agate is a semi-precious gemstone of micro-crystalline quartz. Only a small percentage of mined agate can be dyed blue, making this exquisite Lighthouse Cameo precious and rare. Pendant with 14K gold and sterling silver cable wire frame. 1" diameter.