The functions of MMCZ are;

• To act as the sole marketing and selling agent for all minerals produced in Zimbabwe with the exception of gold and silver.
• To investigate or cause to be investigated marketing conditions, whether inside or outside Zimbabwe for minerals in general or any particular mineral.
• To purchase and acquire any minerals for its own account and to sell or dispose of such minerals.
• To encourage the local beneficiation and utilisation of any minerals.
• To advise the minister on all matters connected with the marketing of minerals.
• To do all things, which by this Act or any other enactment are required to be done by the Corporation (section 20 of the MMCZ Act).