The Jameh Mosque of Yazd is an active Friday mosque and part of the Historic City of Yazd, a UNESCO site since 2017. The article names no architect. It credits the Il-khanid dynasty under Rukn al-Din Muhammad with the main 14th-century construction, built from 1324 to 1328, including the entrance portal, main iwan and dome. The site earlier held a Sasanian-era Zoroastrian fire temple, which the article dates to the 9th century in its lead and about the 5th century in its body.
The Safavid-era minarets are 171 feet (52 m) high and 20 feet (6 m) across. They collapsed in an earthquake in 1815 and were rebuilt by Qajar architects in the Safavid style. The mihrab is marble, much of it sourced from Karbala, and Kufic inscriptions carry the 99 names of Allah.
Later work includes Muzaffarid additions to the mihrab and dome, which the article dates to 1365 and 1375, and a Timurid north prayer hall.

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