[3] Construction commenced in December 1994, after a site was chosen at Bausher, and it took six years and seven months to build the mosque.
The newly built Grand Mosque was inaugurated by Sultan of Oman on May 4, 2001 to celebrate 30 years of his reign.
It contains, 1,700,000,000 knots, weighs 21 tonnes and took four years to produce with over 600 workers and handmade , and brings together the classical Persian Tabriz, Kashan and Isfahan design traditions.
It used to be the largest single-piece carpet in the world, but is now the second[8] after the Sheikh Zayed Grand Mosque in Abu Dhabi, the UAE.
The carpet measures over 70 by 60 metres (230 by 200 feet), and covers the 4,343 m2 (46,750 sq ft) area of the praying hall.