Congo Imports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths from Rwanda was US$696 during 2019, according to the United Nations COMTRADE database on international trade. Congo Imports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths from Rwanda - data, historical chart and statistics - was last updated on May of 2024.