The Messenger of Allah ﷺ said, "Injury caused by livestock is not compensated, accidents in mines are not compensated, and on buried treasure a fifth is due."
حدثنا علي عن الحذاء عن ابن سيرين
قال رسول الله ﷺ العجماء جبار والمعدن جبار وفي الركاز الخمس