VERY IMPRESSIVE, VINTAGE CIRCA 1950'S PIN PENDANT WITH EILAT STONE FROM ISRAEL. The Eilat Stone derives its name from the city of Eilat where it was once mined. It is a green-blue inhomogeneous mixture of several secondary copper minerals including Malachite,Azurite, Crysocolla and Turquoise . The Eilat stone is the National stone of Israel, and is also known as the King Solomon Stone. This piece is beautiful, set in sterling silver and marked for authenticity. It also has both a pin to use as a brooch as well as a loop at one end to wear as a pendant.