Recent archaeological excavations at Ganj-j-Dareh in the area of Kermanshah have vertified the fact that the oldest examples of ceramics in Iran go back to the 8th millennium Bc, Glass has been made for over four thousand years. It is thought to have been first produced in Western, Asia.Initially as a glazefrom somewhere in the 3rd millennium Bc.It began to be produced as an in dependent substance.It was not until the late 16 th and 15th centuries Bc. That its use as vessels appears.We have evidence of a glass industry in the region of ancient Elam which flourished in the 13th century Bc. Archaeologists have uncovered many small glass tubes made of coiled black and white opaque glass. These latter were probably used as window grills .