This structure is octagonal with a diameter of 7 m. and a height of 9 m. along with a platform on each side 2.51 m. in girth and to the height of 5 m. In this structure, gypsum inscriptions with the verses of the great poet Mohtasham Kashany can be noted.
There is also another epigraph inscribed in white and ‘Tholth’ script on an azure blue back ground.
This has recorded the name of Shah Tahmasb, the founder of the structure and the date 942 AH. can also be noted. Its dome is pyramid shaped with twelve panels and reaches an elevation of 13 m.