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Chashma-Ayub Mausoleum is in the middle of the small ancient cemetery. The construction has reached with some losses to present day. The preserved parts represent a combination of harmonious entrance portal and adjoining to it the rests of the fencing wall from the west.
The constructive scheme of the portal is a traditional and made up in the form of two pylons, forming the niche overlapped by the semi vault. The II-shaped frame inside of which forms the obverse surface, tympanum and ktoba are concluded with an inscription above the lancet arch. From the northern part of the niche portal is limited gable wall with a doorway. From the western end face the portal is adjoined with the deep bricked wall in the extent of 5,9 m, which the western piece has been lost. The wall has the form of the trapeze in section with big size in the basis. The central room is overlapped by the tent peaked dome. Except for the made proportions this monument differs well considered and perfectly executed décor, which basic part is concentrated to the portal. The most effective place in the general composition of the decor is ktoba, filled with Arabian inscription on the background of the vegetative ornament. The portal frame on the external contour is marked out by the II-shaped zone strengthened by girikh from intertwining octahedrons, made of terracotta bricks. Glazed inserts of turquoise color fill the central octahedral sockets. The tape bordered frame and ktoba. The historical value of the monument consists of the exact dating written on ktoba (1208-1209 .A.D.) or 605 year by Muslim Calendar.
The huge volume of the monument preserved during almost 200 years. On an example of Chashma-Ayub Mausoleum, it is possible to consider dynamics of the development of architecture of Central Asia, since an epoch of the government of Karakhanids from the end of the XI century down to the middle XV century A.D.
Its architecture and affinity make this construction the unique by some elements with funeral mosque of the first construction's period with mausoleum of Al-Khakim at-Termiziy in Termiz and tent dome similarly with mausoleum of Khazrat-Imam in Shakhrisyabz, and mausoleum Turabek-Khanum in Kunya-Urgench.