Jami` at-Tirmidhi 878
جامع الترمذي#878Da'ifAbdullah bin Amr narrated that :He heard the Messenger of Allah saying: "Indeed the Corner and the Maqam are two corundums from the corundum of Paradise. Allah removed their lights, and if their lights had not been removed then they would illuminate what is between east and the west
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Zubair Ali ZaiDaif
In-book reference: 9:71