This article is aimed at explaining details of huge sources of the mines which have been neglected so far.Khums of mines, due to their diversity and abundance, can be potentially a great support for propagation of religion and Shiite Islam. In this article, we have demonstrated that even state-owned mines are liable tokhums which has to be paid and spent underwali faqih’s supervision. Discussions about the nesab of mine [quorum] and thatkhums for mines is calculated before deducting extraction costs have been covered. In addition, we have mentioned that the fact that mines areanfal [national assets] does not conflict with the obligation ofkhums for mines and that khums of mines, whether extracted in national lands or private lands, has to be paid. The differencekhums of mines andkhums of profits accrued from businesses has also been explained and it has been proven that ifkhums of mines is paid, there is no need to paykhums of profits accrued annually.