Rabi'ah reported on the authority of more than one person saying: The Messenger of Allah (ﷺ) assigned as a fief to Bilal ibn al-Harith al-Muzani the mines of al-Qabaliyyah which is in the neighbourhood of al-Fur', and only zakat is levied on those mines up to the present day.
Reference: Sunan Abi Dawud 3061 In-book : Book 20, Hadith 134 English translation : Book 19, Hadith 3055
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