The Black Stone is not considered shirk in Islam.
Shirk is the act of associating partners with Allah, which is considered the gravest sin in Islam. The Black Stone, a sacred object housed in the Kaaba, is revered by Muslims as a symbol of Allah's power and a reminder of Abraham's faith.
Muslims believe that the Black Stone has no inherent power and is not worshipped or prayed to. It is merely a point of reference during the tawaf (circumambulation of the Kaaba) and a way to connect with Allah.
Touching the Black Stone is considered a Sunnah (recommended practice) for those performing tawaf, but it is not obligatory.
The Black Stone is a reminder of Allah's blessings and serves as a symbol of unity for Muslims worldwide.