This dome is an unparalleled and unique example of Islamic-Iranian architecture. It goes back to the late Seljuk, about 1106 . it was built by the order of Alavian family as a mosque and later was used as family tomb. In the distant past there was a dome but in the passage of time,it was ruined . This structure is noteworthy for the Researchers because of its exceptionally delicate decorations. There are no documentary evidences showing how did the dome look like so reshaping of the dome is still impossible .