Black Stone
The Black Stone is a rock set into the eastern corner of the Kaaba, known as Hajarul Aswad or the stone which believed by Muslims to be Angel Gabriel took and placed there.
Black Stone Media
A 1315 illustration from the Jami al-Tawarikh, inspired by the Sirah Rasul Allah story of Muhammad and the Meccan clan elders lifting the Black Stone into place.
The Kaaba in Mecca. The Black Stone is set into the eastern corner of the building (bottom left).