Sayyiduna Ibn Abbas (may Allah be pleased with them both) said that the Messenger of Allah (peace and blessings be upon him) said: "Allah Almighty will raise the Black Stone and the Yemeni Corner on the Day of Resurrection, having two eyes, a tongue and two lips, and they will bear witness in favour of everyone who touched them with faithfulness."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 11384