Belgium Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Rwanda was US$490 during 2023, according to the United Nations COMTRADE database on international trade. Belgium Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Rwanda - data, historical chart and statistics - was last updated on May of 2024.