VINTAGE MEXICAN BLUE STONE STATEMENT NECKLACE

Vintage Mexican Blue Stone ( not sure of the name of the stone ) beautiful statement necklace, I am not sure of the stone used in this necklace, but beautiful aqua color and has a good weight. The pendant is 2 inches in diameter and 14 inches long from round pendant to the top of the chain ( no clasped) . Some tiny imperfections as shown in the pic, hardly notice when put on.