Black Stone - Wikipedia
The Black Stone (Arabic: ٱلْحَجَرُ ٱلْأَسْوَد, romanized: al-Ḥajar al-Aswad) is a rock set into the eastern corner of the Kaaba, the ancient building in the center of the Grand Mosque in Mecca, Saudi Arabia. It is revered by Muslims as an Islamic relic which, according to Muslim tradition, dates back to the time of Adam and Eve.