Uganda Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Congo was US$30 during 2018, according to the United Nations COMTRADE database on international trade. Uganda Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Congo - data, historical chart and statistics - was last updated on May of 2024.