مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2775
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn ‘Abbas (رضي الله عنه) that the Messenger of Allah (ﷺ) said: "The Black Stone came from Paradise and it was whiter than snow, until the sins of the people of shirk turned it black.”
Musnad Ahmad 2795Its isnad is da’eef]