Jame Mosque as a glorious building in a city which has exhibited an unknown and rich treasure of the art of architecture, culture and Islamic civilization, is not totally Seljuk but those parts of the Seljuk era, even today, are also its main augustness. In its completely distinctive spectrum, more than 1100 years of Iran’s architecture is transparent and in its lengthy life, there have been ... [Show full abstract] several wars and it has been damaged and recovered many times and nothing is remained of that. However, the mosque is there and its remained architecture is like a book that every time it is read, it provides a new meaning spectrum of the past.The remaining of the building is located in north-west of the current city and it is built on an artificial hill with 5 meters’ height with the absence of the other buildings and despite approaching disastrous events and happenings, it has maintained its strength. The noteworthy point is its scattered but pleasant architectural and functional decorations of the Ilkhani era being in full harmony and magnificent beatings of facades of the building are based on the mathematical calculations; however, those parts of the Seljuk era, even today, are also its main augustness. Jome Mosque which has been the highest building of the city, in its current condition, is composed of three related parts placing with distance and in an independent manner. 1- The dome is built as the mother cell and the Seljuk mosque’s base and during the time, the other elements are attached to it. 2-Porch which is currently placed as a mosque and its south side is ended to dome area though a big and high crater. 3- Steeple which is a large brick cylindrical building located in 16/43 meters of the western wall and along the middle axis of the mosque and its location is even more tragic tradition since it is a building which is totally separated and there is not any sign of its attachment to Seljuk’s building. In so doing, its tension with the mosque and its moral function in relation with the other elements of the building as well as its independency from the mosque attract the attention as a unique element.